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Fall Weather in Masasi Tanzania

Daily high temperatures are around 84°F, rarely falling below 78°F or exceeding 89°F.

Daily low temperatures decrease by 8°F, from 71°F to 63°F, rarely falling below 59°F or exceeding 72°F.

For reference, on November 2, the hottest day of the year, temperatures in Masasi typically range from 70°F to 96°F, while on July 10, the coldest day of the year, they range from 60°F to 83°F.

Average High and Low Temperature in the Fall in Masasi

Average High and Low Temperature in the Fall in MasasiMarAprMay55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°FSummerWinterMar 184°FMar 184°F71°F71°FMay 3183°FMay 3183°F63°F63°FApr 184°FApr 184°F69°F69°FMay 184°FMay 184°F67°F67°F
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.

The figure below shows you a compact characterization of the hourly average fall temperatures. The horizontal axis is the day, 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 the Fall in Masasi

Average Hourly Temperature in the Fall in MasasiMarAprMay12 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 AMSummerWintercoolcomfortablecomfortablewarm
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.

Tuxtla, Mexico (9,200 miles away) is the far-away foreign place with temperatures most similar to Masasi (view comparison).

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The fall in Masasi experiences very rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 80% to 23%.

The clearest day of the fall is May 31, with clear, mostly clear, or partly cloudy conditions 77% of the time.

For reference, on February 6, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 85%, while on August 29, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 85%.

Cloud Cover Categories in the Fall in Masasi

Cloud Cover Categories in the Fall in MasasiMarAprMay0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SummerWinterMar 120%Mar 120%May 3177%May 3177%Apr 141%Apr 141%May 166%May 166%clearmostly 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.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Masasi, the chance of a wet day over the course of the fall is very rapidly decreasing, starting the season at 65% and ending it at 7%.

For reference, the year's highest daily chance of a wet day is 68% on March 12, and its lowest chance is 3% on September 12.

Probability of Precipitation in the Fall in Masasi

Probability of Precipitation in the Fall in MasasiMarAprMay0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%SummerWinterMar 1268%Mar 1268%May 317%May 317%Apr 161%Apr 161%May 120%May 120%rain
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).

Rainfall

To show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the fall in Masasi is very rapidly decreasing, starting the season at 6.9 inches, when it rarely exceeds 10.7 inches or falls below 3.4 inches, and ending the season at 0.5 inches, when it rarely exceeds 1.8 inches or falls below -0.0 inches.

Average Monthly Rainfall in the Fall in Masasi

Average Monthly Rainfall in the Fall in MasasiMarAprMay0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 in12 in12 inSummerWinterMar 16.9 inMar 16.9 inMay 310.5 inMay 310.5 inApr 16.1 inApr 16.1 inMay 12.1 inMay 12.1 in
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.

Over the course of the fall in Masasi, the length of the day is decreasing. From the start to the end of the season, the length of the day decreases by 46 minutes, implying an average daily decrease of 30 seconds, and weekly decrease of 3 minutes, 30 seconds.

The shortest day of the fall is May 31, with 11 hours, 32 minutes of daylight and the longest day is March 1, with 12 hours, 18 minutes of daylight.

Hours of Daylight and Twilight in the Fall in Masasi

Hours of Daylight and Twilight in the Fall in MasasiMarAprMay0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSummerWinterMar 2012 hr, 7 minMar 2012 hr, 7 mindaydaydaydaynightMay 3111 hr, 32 minMay 3111 hr, 32 minMay 111 hr, 43 minMay 111 hr, 43 min
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.

The earliest sunrise of the fall in Masasi is 6:28 AM on March 1 and the latest sunrise is 8 minutes later at 6:36 AM on May 31.

The latest sunset is 6:45 PM on March 1 and the earliest sunset is 37 minutes earlier at 6:08 PM on May 28.

Daylight saving time is not observed in Masasi during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 6:00 AM and sets 12 hours, 45 minutes later, at 6:45 PM, while on June 20, the shortest day of the year, it rises at 6:41 AM and sets 11 hours, 30 minutes later, at 6:11 PM.

Sunrise & Sunset with Twilight in the Fall in Masasi

Sunrise & Sunset with Twilight in the Fall in MasasiMarAprMay2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMSummerWinter6:28 AM6:28 AMMar 16:45 PMMar 16:45 PM6:35 AM6:35 AMMay 286:08 PMMay 286:08 PM6:28 AM6:28 AMApr 16:28 PMApr 16:28 PM6:30 AM6:30 AMMay 16:13 PMMay 16:13 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day in the fall. 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 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 the Fall in Masasi

Solar Elevation and Azimuth in the Fall in MasasiMarAprMay12 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 AMSummerWinter0010202030304050506060800010102030304040506070
northeastsouthwest
Solar elevation and azimuth in the the fall of 2024. 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 the fall of 2024. 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. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

Moon Rise, Set & Phases in the Fall in Masasi

Moon Rise, Set & Phases in the Fall in MasasiMarAprMay12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSummerWinterFeb 102:00 AMFeb 102:00 AMFeb 243:31 PMFeb 243:31 PMMar 1012:01 PMMar 1012:01 PMMar 2510:01 AMMar 2510:01 AMApr 89:22 PMApr 89:22 PMApr 242:50 AMApr 242:50 AMMay 86:23 AMMay 86:23 AMMay 234:54 PMMay 234:54 PMJun 63:38 PMJun 63:38 PMJun 224:09 AMJun 224:09 AM6:41 AM6:41 AM7:35 PM7:35 PM6:58 PM6:58 PM7:01 AM7:01 AM6:55 PM6:55 PM6:09 PM6:09 PM6:26 AM6:26 AM6:14 PM6:14 PM5:55 PM5:55 PM6:39 AM6:39 AM6:34 AM6:34 AM6:27 PM6:27 PM6:00 PM6:00 PM7:10 AM7:10 AM6:04 PM6:04 PM5:38 PM5:38 PM6:57 AM6:57 AM
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.

The chance that a given day will be muggy in Masasi is very rapidly decreasing during the fall, falling from 99% to 32% over the course of the season.

The highest chance of a muggy day during the fall is 100% on March 14.

For reference, on March 13, the muggiest day of the year, there are muggy conditions 100% of the time, while on July 17, the least muggy day of the year, there are muggy conditions 2% of the time.

Humidity Comfort Levels in the Fall in Masasi

Humidity Comfort Levels in the Fall in MasasiMarAprMay0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SummerWinterMar 14100%Mar 14100%Mar 199%Mar 199%May 3132%May 3132%Apr 198%Apr 198%May 179%May 179%oppressiveoppressivemuggymuggyhumidhumidcomfortablecomfortabledrydrymiserablemiserable
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.

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 Masasi is increasing during the fall, increasing from 6.3 miles per hour to 7.9 miles per hour over the course of the season.

For reference, on October 25, the windiest day of the year, the daily average wind speed is 10.9 miles per hour, while on March 20, the calmest day of the year, the daily average wind speed is 5.6 miles per hour.

The lowest daily average wind speed during the fall is 5.6 miles per hour on March 21.

Average Wind Speed in the Fall in Masasi

Average Wind Speed in the Fall in MasasiMarAprMay0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mphSummerWinterMar 215.6 mphMar 215.6 mphMar 16.3 mphMar 16.3 mphMay 317.9 mphMay 317.9 mphMay 17.5 mphMay 17.5 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The wind direction in Masasi during the fall is predominantly out of the north from March 1 to March 8, the east from March 8 to April 17, and the south from April 17 to May 31.

Wind Direction in the Fall in Masasi

Wind Direction in the Fall in MasasiNESMarAprMay0%100%20%80%40%60%60%40%80%20%100%0%SummerWintersoutheastnorthwest
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).

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).

Temperatures in Masasi are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Time Spent in Various Temperature Bands and the Growing Season in the Fall in Masasi

Time Spent in Various Temperature Bands and the Growing Season in the Fall in MasasiMarAprMay0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SummerWinter100%Apr 16100%Apr 16coolcomfortablewarmhot
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.

The average accumulated growing degree days in Masasi are very rapidly increasing during the fall, increasing by 2,272°F, from 6,448°F to 8,719°F, over the course of the season.

Growing Degree Days in the Fall in Masasi

Growing Degree Days in the Fall in MasasiMarAprMay6,500°F6,500°F7,000°F7,000°F7,500°F7,500°F8,000°F8,000°F8,500°F8,500°F9,000°F9,000°FSummerWinterMar 16,448°FMar 16,448°FMay 318,719°FMay 318,719°FApr 17,254°FApr 17,254°FMay 18,014°FMay 18,014°F
The average growing degree days accumulated over the course of the fall, 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 in Masasi is essentially constant during the fall, remaining within 0.4 kWh of 5.8 kWh throughout.

The highest average daily incident shortwave solar energy during the fall is 6.2 kWh on April 21.

Average Daily Incident Shortwave Solar Energy in the Fall in Masasi

Average Daily Incident Shortwave Solar Energy in the Fall in MasasiMarAprMay0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhSummerWinterApr 216.2 kWhApr 216.2 kWhMar 15.4 kWhMar 15.4 kWhMay 315.7 kWhMay 315.7 kWhApr 15.8 kWhApr 15.8 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Masasi are -10.717 deg latitude, 38.800 deg longitude, and 1,473 ft elevation.

The topography within 2 miles of Masasi contains very significant variations in elevation, with a maximum elevation change of 1,270 feet and an average elevation above sea level of 1,399 feet. Within 10 miles contains very significant variations in elevation (2,142 feet). Within 50 miles also contains large variations in elevation (2,949 feet).

The area within 2 miles of Masasi is covered by cropland (35%), shrubs (29%), artificial surfaces (16%), and trees (12%), within 10 miles by cropland (52%) and shrubs (44%), and within 50 miles by trees (40%) and cropland (30%).

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

Masasi is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . 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.

The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Masasi, according to the International Standard Atmosphere .

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.

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

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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.

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