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Climate and Average Weather Year Round in Cleveland Mississippi, United States

In Cleveland, the summers are long, hot, and oppressive; the winters are short, cold, wet, and windy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 36°F to 91°F and is rarely below 22°F or above 97°F.

Based on the tourism score, the best times of year to visit Cleveland for warm-weather activities are from mid April to early June and from early September to mid October.

Climate in Cleveland

coldcoolwarmhotwarmcoolJanFebMarAprMayJunJulAugSepOctNovDecNowNow70%70%50%50%clearovercastprecipitation: 5.1 inprecipitation: 5.1 in2.2 in2.2 inmuggy: 97%muggy: 97%1%1%drydrytourism score: 6.2tourism score: 6.21.21.2
Cleveland weather by month. Click on each chart for more information.

The hot season lasts for 4.2 months, from May 19 to September 26, with an average daily high temperature above 83°F. The hottest month of the year in Cleveland is July, with an average high of 91°F and low of 73°F.

The cool season lasts for 2.9 months, from November 30 to February 25, with an average daily high temperature below 60°F. The coldest month of the year in Cleveland is January, with an average low of 36°F and high of 53°F.

Average High and Low Temperature in Cleveland

Average High and Low Temperature in ClevelandhotcoolcoolJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°F110°F110°FJan 1652°FJan 1652°FAug 1191°FAug 1191°F36°F36°F72°F72°FMay 1983°FMay 1983°FSep 2683°FSep 2683°FNov 3060°FNov 3060°FFeb 2560°FFeb 2560°F64°F64°F62°F62°F43°F43°F41°F41°FNowNow
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.
AverageJanFebMarAprMayJunJulAugSepOctNovDec
High 53°F57°F66°F75°F83°F88°F91°F91°F86°F76°F65°F55°F
Temp. 43°F47°F55°F64°F73°F79°F81°F81°F75°F65°F54°F46°F
Low 36°F39°F47°F55°F64°F70°F73°F72°F65°F55°F46°F39°F

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in Cleveland

Average Hourly Temperature in ClevelandJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNowNowvery coldvery coldcoldcoldcoolcoolcomfortablewarmwarmhotvery coldvery cold
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Tepehan, Turkey (6,526 miles away) is the far-away foreign place with temperatures most similar to Cleveland (view comparison).

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In Cleveland, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year in Cleveland begins around June 5 and lasts for 5.4 months, ending around November 16.

The clearest month of the year in Cleveland is October, during which on average the sky is clear, mostly clear, or partly cloudy 67% of the time.

The cloudier part of the year begins around November 16 and lasts for 6.6 months, ending around June 5.

The cloudiest month of the year in Cleveland is February, during which on average the sky is overcast or mostly cloudy 49% of the time.

Cloud Cover Categories in Cleveland

Cloud Cover Categories in ClevelandclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Oct 570%Oct 570%Jan 350%Jan 350%Jun 560%Jun 560%Nov 1660%Nov 1660%NowNowclearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.
FractionJanFebMarAprMayJunJulAugSepOctNovDec
Cloudier 49%49%46%42%43%39%38%33%33%33%41%48%
Clearer 51%51%54%58%57%61%62%67%67%67%59%52%

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Cleveland varies throughout the year.

The wetter season lasts 8.5 months, from November 27 to August 10, with a greater than 29% chance of a given day being a wet day. The month with the most wet days in Cleveland is May, with an average of 10.9 days with at least 0.04 inches of precipitation.

The drier season lasts 3.6 months, from August 10 to November 27. The month with the fewest wet days in Cleveland is September, with an average of 7.1 days with at least 0.04 inches of precipitation.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The month with the most days of rain alone in Cleveland is May, with an average of 10.9 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 36% on May 23.

Daily Chance of Precipitation in Cleveland

Daily Chance of Precipitation in ClevelandwetwetdryJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%May 2336%May 2336%Sep 2021%Sep 2021%Jan 128%Jan 128%Aug 1029%Aug 1029%NowNowrainmixed
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).
Days ofJanFebMarAprMayJunJulAugSepOctNovDec
Rain 7.8d7.7d9.7d9.8d10.9d9.9d10.1d8.6d7.1d7.7d8.1d8.5d
Mixed 0.5d0.4d0.1d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.2d
Snow 0.4d0.1d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.2d
Any 8.6d8.3d9.8d9.8d10.9d9.9d10.1d8.6d7.1d7.7d8.2d9.0d

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Cleveland experiences significant seasonal variation in monthly rainfall.

Rain falls throughout the year in Cleveland. The month with the most rain in Cleveland is December, with an average rainfall of 4.9 inches.

The month with the least rain in Cleveland is August, with an average rainfall of 2.2 inches.

Average Monthly Rainfall in Cleveland

Average Monthly Rainfall in ClevelandJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 inDec 45.1 inDec 45.1 inAug 232.2 inAug 232.2 inApr 144.8 inApr 144.8 inJan 164.1 inJan 164.1 inNowNow
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.
JanFebMarAprMayJunJulAugSepOctNovDec
Rainfall 4.1″4.4″4.6″4.8″4.3″3.3″2.8″2.2″2.7″3.7″4.4″4.9″

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Cleveland experiences some seasonal variation in monthly snowfall.

The snowy period of the year lasts for 1.6 months, from January 1 to February 17, with a sliding 31-day snowfall of at least 1.0 inches. The month with the most snow in Cleveland is January, with an average snowfall of 1.2 inches.

The snowless period of the year lasts for 10 months, from February 17 to January 1. The least snow falls around July 21, with an average total accumulation of 0.0 inches.

Average Monthly Snowfall in Cleveland

Average Monthly Snowfall in ClevelandsnowJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 inFeb 21.4 inFeb 21.4 inJul 210.0 inJul 210.0 inJan 11.0 inJan 11.0 inNowNow
The average snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average rainfall.
JanFebMarAprMayJunJulAugSepOctNovDec
Snowfall 1.2″1.1″0.2″0.0″0.0″0.0″0.0″0.0″0.0″0.0″0.0″0.7″

The length of the day in Cleveland varies significantly over the course of the year. In 2022, the shortest day is December 21, with 9 hours, 55 minutes of daylight; the longest day is June 21, with 14 hours, 24 minutes of daylight.

Hours of Daylight and Twilight in Cleveland

Hours of Daylight and Twilight in ClevelandJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 6 minMar 2012 hr, 6 minMar 2014 hr, 24 minJun 2114 hr, 24 minJun 2112 hr, 8 minSep 2212 hr, 8 minSep 229 hr, 55 minDec 219 hr, 55 minDec 21nightnightdayNowNow
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.
Hours ofJanFebMarAprMayJunJulAugSepOctNovDec
Daylight 10.2h11.0h12.0h13.1h13.9h14.4h14.1h13.3h12.3h11.3h10.4h10.0h

The earliest sunrise is at 5:51 AM on June 12, and the latest sunrise is 1 hour, 34 minutes later at 7:25 AM on November 5. The earliest sunset is at 4:54 PM on December 4, and the latest sunset is 3 hours, 23 minutes later at 8:17 PM on June 29.

Daylight saving time (DST) is observed in Cleveland during 2022, starting in the spring on March 13, lasting 7.8 months, and ending in the fall on November 6.

Sunrise & Sunset with Twilight and Daylight Saving Time in Cleveland

Sunrise & Sunset with Twilight and Daylight Saving Time in ClevelandJanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 125:51 AMJun 125:51 AM8:17 PMJun 298:17 PMJun 29Dec 44:54 PMDec 44:54 PM7:25 AMNov 57:25 AMNov 5Mar 13DSTMar 13DSTDSTNov 6DSTNov 6daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of the year 2022. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth in Cleveland

Solar Elevation and Azimuth in ClevelandJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AM00010101010202020303030404040505060607000010101020202020303030404040505060703380NowNow
northeastsouthwest
Solar elevation and azimuth over the course of the year 2022. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for 2022. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases.

Moon Rise, Set & Phases in Cleveland

The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

Cleveland experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 5.5 months, from April 27 to October 11, during which time the comfort level is muggy, oppressive, or miserable at least 25% of the time. The month with the most muggy days in Cleveland is July, with 29.7 days that are muggy or worse.

The month with the fewest muggy days in Cleveland is February, with 0.5 days that are muggy or worse.

Humidity Comfort Levels in Cleveland

Humidity Comfort Levels in ClevelandmuggyJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Jan 231%Jan 231%97%Jul 2297%Jul 22Apr 2725%Apr 2725%Oct 1125%Oct 1125%NowNowmiserablemiserableoppressiveoppressivedrydryhumidhumidmuggymuggycomfortablecomfortable
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.
JanFebMarAprMayJunJulAugSepOctNovDec
Muggy days 0.5d0.5d1.7d5.4d16.0d25.4d29.7d28.3d17.8d6.9d2.6d1.1d

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Cleveland experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 7.3 months, from October 15 to May 24, with average wind speeds of more than 7.8 miles per hour. The windiest month of the year in Cleveland is March, with an average hourly wind speed of 9.9 miles per hour.

The calmer time of year lasts for 4.7 months, from May 24 to October 15. The calmest month of the year in Cleveland is July, with an average hourly wind speed of 5.8 miles per hour.

Average Wind Speed in Cleveland

Average Wind Speed in ClevelandwindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mph16 mph16 mphMar 3110.0 mphMar 3110.0 mphJul 295.6 mphJul 295.6 mphOct 157.8 mphOct 157.8 mphMay 247.8 mphMay 247.8 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Wind Speed (mph) 9.39.79.99.68.26.75.85.97.07.88.89.2

The predominant average hourly wind direction in Cleveland varies throughout the year.

The wind is most often from the south for 6.3 months, from February 25 to September 4 and for 2.2 months, from October 12 to December 17, with a peak percentage of 50% on May 19. The wind is most often from the east for 1.4 weeks, from September 4 to September 14, with a peak percentage of 32% on September 6. The wind is most often from the north for 4.0 weeks, from September 14 to October 12 and for 2.3 months, from December 17 to February 25, with a peak percentage of 35% on September 29.

Wind Direction in Cleveland

Wind Direction in ClevelandNSENSNJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowsoutheastnorthwest
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

To characterize how pleasant the weather is in Cleveland throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best times of year to visit Cleveland for general outdoor tourist activities are from mid April to early June and from early September to mid October, with a peak score in the first week of October.

Tourism Score in Cleveland

Tourism Score in Clevelandbest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810106.26.21.21.26.16.14.94.9NowNowprecipitationprecipitationcloudscloudstemperaturetemperature tourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Cleveland for hot-weather activities is from late May to mid September, with a peak score in the third week of June.

Beach/Pool Score in Cleveland

Beach/Pool Score in Clevelandbest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810105.95.90.10.15.95.9NowNowprecipitationprecipitationcloudscloudstemperaturetemperature beach/pool score
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in Cleveland typically lasts for 8.3 months (254 days), from around March 11 to around November 20, rarely starting before February 18 or after March 30, and rarely ending before November 1 or after December 9.

Time Spent in Various Temperature Bands and the Growing Season in Cleveland

Time Spent in Various Temperature Bands and the Growing Season in Clevelandgrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Mar 1150%Mar 1150%Nov 2050%Nov 2090%Mar 3090%Mar 3090%Nov 190%Nov 110%Feb 1810%Feb 1810%Dec 910%Dec 9Jul 20100%Jul 20100%freezingvery coldcoldcoolcomfortablewarmhot
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

Based on growing degree days alone, the first spring blooms in Cleveland should appear around February 6, only rarely appearing before January 21 or after February 24.

Growing Degree Days in Cleveland

Growing Degree Days in ClevelandJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F1,000°F1,000°F2,000°F2,000°F3,000°F3,000°F4,000°F4,000°F5,000°F5,000°F6,000°F6,000°FFeb 687°FFeb 687°FMay 2900°FMay 2900°FDec 315,789°FDec 315,789°FNowNow
The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy experiences significant seasonal variation over the course of the year.

The brighter period of the year lasts for 4.7 months, from April 9 to August 31, with an average daily incident shortwave energy per square meter above 5.9 kWh. The brightest month of the year in Cleveland is June, with an average of 6.6 kWh.

The darker period of the year lasts for 2.7 months, from November 13 to February 4, with an average daily incident shortwave energy per square meter below 3.4 kWh. The darkest month of the year in Cleveland is December, with an average of 2.6 kWh.

Average Daily Incident Shortwave Solar Energy in Cleveland

Average Daily Incident Shortwave Solar Energy in ClevelandbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhJun 146.7 kWhJun 146.7 kWhDec 262.5 kWhDec 262.5 kWhApr 95.9 kWhApr 95.9 kWhAug 315.9 kWhAug 315.9 kWhFeb 43.4 kWhFeb 43.4 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Solar Energy (kWh) 2.93.74.96.06.56.66.46.25.44.43.32.6

For the purposes of this report, the geographical coordinates of Cleveland are 33.744 deg latitude, -90.725 deg longitude, and 138 ft elevation.

The topography within 2 miles of Cleveland is essentially flat, with a maximum elevation change of 20 feet and an average elevation above sea level of 134 feet. Within 10 miles is also essentially flat (46 feet). Within 50 miles is essentially flat (394 feet).

The area within 2 miles of Cleveland is covered by cropland (74%) and artificial surfaces (26%), within 10 miles by cropland (98%), and within 50 miles by cropland (74%) and herbaceous vegetation (15%).

This report illustrates the typical weather in Cleveland, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Cleveland.

For each station, the records are corrected for the elevation difference between that station and Cleveland according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Cleveland is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Cleveland and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Cleveland and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

Please review our full terms contained on our Terms of Service page.