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Climate and Average Weather Year Round in Cape Cod Massachusetts, United States

In Cape Cod, the summers are warm; the winters are very cold, snowy, and windy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 26°F to 78°F and is rarely below 14°F or above 85°F.

Based on the tourism score, the best time of year to visit Cape Cod for warm-weather activities is from late June to mid September.

Climate in Cape Cod

very coldcoldcoolwarmcoolcoldJanFebMarAprMayJunJulAugSepOctNovDecNowNow63%63%45%45%clearovercastprecipitation: 4.3 inprecipitation: 4.3 in2.5 in2.5 inmuggy: 41%muggy: 41%0%0%drydrytourism score: 7.2tourism score: 7.20.00.0
Cape Cod weather by month. Click on each chart for more information.

The warm season lasts for 3.2 months, from June 9 to September 16, with an average daily high temperature above 70°F. The hottest month of the year in Cape Cod is July, with an average high of 77°F and low of 64°F.

The cold season lasts for 3.4 months, from December 9 to March 23, with an average daily high temperature below 45°F. The coldest month of the year in Cape Cod is January, with an average low of 27°F and high of 38°F.

Average High and Low Temperature in Cape Cod

Average High and Low Temperature in Cape CodwarmcoldcoldJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FJan 3037°FJan 3037°FJul 2078°FJul 2078°F26°F26°F65°F65°FJun 970°FJun 970°FSep 1670°FSep 1670°FDec 945°FDec 945°FMar 2345°FMar 2345°F56°F56°F57°F57°F34°F34°F34°F34°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 38°F39°F44°F52°F62°F71°F77°F76°F70°F60°F52°F44°F
Temp. 32°F33°F38°F45°F54°F64°F70°F70°F64°F54°F46°F38°F
Low 27°F27°F32°F40°F48°F58°F64°F63°F57°F48°F40°F32°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 Cape Cod

Average Hourly Temperature in Cape CodJanFebMarAprMayJunJulAugSepOctNovDec12 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 AMNowNowfreezingvery coldvery coldcoldcoldcoolcoolcomfortablewarmfreezing
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.
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Marker
© OpenStreetMap contributors

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In Cape Cod, the average percentage of the sky covered by clouds experiences mild seasonal variation over the course of the year.

The clearer part of the year in Cape Cod begins around June 25 and lasts for 4.4 months, ending around November 6.

The clearest month of the year in Cape Cod is September, during which on average the sky is clear, mostly clear, or partly cloudy 62% of the time.

The cloudier part of the year begins around November 6 and lasts for 7.6 months, ending around June 25.

The cloudiest month of the year in Cape Cod is May, during which on average the sky is overcast or mostly cloudy 54% of the time.

Cloud Cover Categories in Cape Cod

Cloud Cover Categories in Cape CodclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Sep 563%Sep 563%May 2345%May 2345%Jun 2554%Jun 2554%Nov 655%Nov 655%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 53%53%53%53%54%49%44%40%38%41%48%52%
Clearer 47%47%47%47%46%51%56%60%62%59%52%48%

Cape Cod does not experience significant seasonal variation in the frequency of wet days (i.e., those with greater than 0.04 inches of liquid or liquid-equivalent precipitation). The frequency ranges from 24% to 33%, with an average value of 29%.

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 Cape Cod is May, with an average of 9.4 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 32% on May 29.

Daily Chance of Precipitation in Cape Cod

Daily Chance of Precipitation in Cape CodJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Dec 1533%Dec 1533%Sep 324%Sep 324%Oct 1328%Oct 1328%NowNowrainmixedsnow
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 6.2d5.5d7.8d8.7d9.4d8.7d8.6d8.5d7.6d8.4d8.7d8.4d
Mixed 2.0d2.1d1.3d0.2d0.0d0.0d0.0d0.0d0.0d0.0d0.2d1.0d
Snow 0.9d0.8d0.4d0.1d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.4d
Any 9.1d8.4d9.4d9.0d9.4d8.7d8.6d8.5d7.6d8.4d8.9d9.8d

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. Cape Cod experiences some seasonal variation in monthly rainfall.

Rain falls throughout the year in Cape Cod. The month with the most rain in Cape Cod is November, with an average rainfall of 4.1 inches.

The month with the least rain in Cape Cod is July, with an average rainfall of 2.7 inches.

Average Monthly Rainfall in Cape Cod

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 2.9″3.1″3.9″3.8″3.2″3.0″2.7″3.0″3.4″3.9″4.1″3.8″

Snowfall

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

The snowy period of the year lasts for 4.2 months, from November 30 to April 4, with a sliding 31-day snowfall of at least 1.0 inches. The month with the most snow in Cape Cod is February, with an average snowfall of 5.0 inches.

The snowless period of the year lasts for 7.8 months, from April 4 to November 30. The least snow falls around July 22, with an average total accumulation of 0.0 inches.

Average Monthly Snowfall in Cape Cod

Average Monthly Snowfall in Cape CodsnowsnowJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 in12 in12 in14 in14 inFeb 65.2 inFeb 65.2 inJul 220.0 inJul 220.0 inNov 301.0 inNov 301.0 inApr 41.0 inApr 41.0 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 4.4″5.0″2.4″0.4″0.0″0.0″0.0″0.0″0.0″0.0″0.3″2.3″

The length of the day in Cape Cod varies significantly over the course of the year. In 2024, the shortest day is December 21, with 9 hours, 9 minutes of daylight; the longest day is June 20, with 15 hours, 12 minutes of daylight.

Hours of Daylight and Twilight in Cape Cod

Hours of Daylight and Twilight in Cape CodJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 8 minMar 1912 hr, 8 minMar 1915 hr, 12 minJun 2015 hr, 12 minJun 2012 hr, 11 minSep 2212 hr, 11 minSep 229 hr, 9 minDec 219 hr, 9 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 9.5h10.6h12.0h13.4h14.6h15.2h14.8h13.8h12.4h11.0h9.8h9.2h

The earliest sunrise is at 5:05 AM on June 14, and the latest sunrise is 2 hours, 9 minutes later at 7:14 AM on November 2. The earliest sunset is at 4:10 PM on December 7, and the latest sunset is 4 hours, 9 minutes later at 8:19 PM on June 26.

Daylight saving time (DST) is observed in Cape Cod during 2024, starting in the spring on March 10, lasting 7.8 months, and ending in the fall on November 3.

Sunrise & Sunset with Twilight and Daylight Saving Time in Cape Cod

Sunrise & Sunset with Twilight and Daylight Saving Time in Cape CodJanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 145:05 AMJun 145:05 AM8:19 PMJun 268:19 PMJun 26Dec 74:10 PMDec 74:10 PM7:14 AMNov 27:14 AMNov 2Mar 10DSTMar 10DSTDSTNov 3DSTNov 3daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day over the course of the year 2024. 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 Cape Cod

Solar Elevation and Azimuth in Cape CodJanFebMarAprMayJunJulAugSepOctNovDec12 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 AM0001010101020202030303040405050606000010101020202020303040405050602572NowNow
northeastsouthwest
Solar elevation and azimuth over the course of the year 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 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.

Moon Rise, Set & Phases in Cape Cod

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.

Cape Cod experiences significant seasonal variation in the perceived humidity.

The muggier period of the year lasts for 2.9 months, from June 19 to September 16, during which time the comfort level is muggy, oppressive, or miserable at least 10% of the time. The month with the most muggy days in Cape Cod is July, with 10.3 days that are muggy or worse.

The least muggy day of the year is February 23, when muggy conditions are essentially unheard of.

Humidity Comfort Levels in Cape Cod

Humidity Comfort Levels in Cape CodmuggyJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Feb 230%Feb 230%Aug 141%Aug 141%Jun 1910%Jun 1910%Sep 1610%Sep 1610%NowNowmuggymuggydrydryhumidhumidcomfortablecomfortableoppressiveoppressive
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 0.0d0.0d0.0d0.0d0.1d2.6d10.3d9.8d3.3d0.4d0.0d0.0d

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 Cape Cod experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 6.0 months, from October 12 to April 14, with average wind speeds of more than 13.1 miles per hour. The windiest month of the year in Cape Cod is January, with an average hourly wind speed of 16.6 miles per hour.

The calmer time of year lasts for 6.0 months, from April 14 to October 12. The calmest month of the year in Cape Cod is July, with an average hourly wind speed of 9.7 miles per hour.

Average Wind Speed in Cape Cod

Average Wind Speed in Cape CodwindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mph20 mph20 mph25 mph25 mphJan 1316.7 mphJan 1316.7 mphJul 249.5 mphJul 249.5 mphOct 1213.1 mphOct 1213.1 mphApr 1413.1 mphApr 1413.1 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) 16.616.315.113.011.210.39.79.911.213.315.116.1

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

The wind is most often from the north for 1.1 months, from March 13 to April 15, with a peak percentage of 33% on March 17. The wind is most often from the south for 5.7 months, from April 15 to October 6, with a peak percentage of 43% on July 27. The wind is most often from the west for 5.2 months, from October 6 to March 13, with a peak percentage of 46% on January 1.

Wind Direction in Cape Cod

Wind Direction in Cape CodWNSWJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwestsouthnortheast
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).

Cape Cod is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences significant seasonal variation over the course of the year.

The time of year with warmer water lasts for 2.9 months, from June 28 to September 25, with an average temperature above 61°F. The month of the year in Cape Cod with the warmest water is August, with an average temperature of 66°F.

The time of year with cooler water lasts for 4.0 months, from December 25 to April 25, with an average temperature below 44°F. The month of the year in Cape Cod with the coolest water is March, with an average temperature of 39°F.

Average Water Temperature in Cape Cod

Average Water Temperature in Cape CodwarmcoolJanFebMarAprMayJunJulAugSepOctNovDec35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°FAug 667°FAug 667°F39°FMar 339°FMar 3Jun 2861°FJun 2861°FSep 2561°FSep 2561°FDec 2544°FDec 2544°FApr 2544°FApr 2544°FNowNow
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.
WaterJanFebMarAprMayJunJulAugSepOctNovDec
Temperature 42°F39°F39°F43°F49°F58°F65°F66°F63°F56°F50°F46°F

To characterize how pleasant the weather is in Cape Cod 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 time of year to visit Cape Cod for general outdoor tourist activities is from late June to mid September, with a peak score in the last week of August.

Tourism Score in Cape Cod

Tourism Score in Cape Codbest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810107.27.20.00.0NowNowtemperaturetemperature cloudscloudsprecipitationprecipitationtourism 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 Cape Cod for hot-weather activities is from early July to mid August, with a peak score in the last week of July.

Beach/Pool Score in Cape Cod

Beach/Pool Score in Cape Codbest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810105.35.30.00.0NowNowtemperaturetemperaturecloudscloudsprecipitationprecipitationbeach/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 Cape Cod typically lasts for 6.9 months (210 days), from around April 14 to around November 10, rarely starting before March 25 or after May 2, and rarely ending before October 21 or after November 29.

Time Spent in Various Temperature Bands and the Growing Season in Cape Cod

Time Spent in Various Temperature Bands and the Growing Season in Cape Codgrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Apr 1450%Apr 1450%Nov 1050%Nov 1090%May 290%May 290%Oct 2190%Oct 2110%Mar 2510%Mar 2510%Nov 2910%Nov 290%Feb 20%Feb 2Jul 24100%Jul 24100%NowNowfreezingvery coldcoldcoolcomfortablewarm
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 Cape Cod should appear around May 12, only rarely appearing before May 2 or after May 21.

Growing Degree Days in Cape Cod

Growing Degree Days in Cape CodJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F500°F500°F1,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°FMay 1290°FMay 1290°FJul 14900°FJul 14900°FAug 281,800°FAug 281,800°FDec 312,498°FDec 312,498°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 extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.3 months, from May 7 to August 18, with an average daily incident shortwave energy per square meter above 5.9 kWh. The brightest month of the year in Cape Cod is June, with an average of 6.8 kWh.

The darker period of the year lasts for 3.4 months, from November 2 to February 13, with an average daily incident shortwave energy per square meter below 2.7 kWh. The darkest month of the year in Cape Cod is December, with an average of 1.7 kWh.

Average Daily Incident Shortwave Solar Energy in Cape Cod

Average Daily Incident Shortwave Solar Energy in Cape CodbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhJun 307.0 kWhJun 307.0 kWhDec 231.6 kWhDec 231.6 kWhMay 75.9 kWhMay 75.9 kWhAug 185.9 kWhAug 185.9 kWhNov 22.7 kWhNov 22.7 kWhFeb 132.7 kWhFeb 132.7 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) 1.92.74.05.36.26.86.75.94.93.52.21.7

For the purposes of this report, the geographical coordinates of Cape Cod are 41.686 deg latitude, -70.243 deg longitude, and 0 ft elevation.

The topography within 2 miles of Cape Cod is essentially flat, with a maximum elevation change of 0 feet and an average elevation above sea level of 0 feet. Within 10 miles is also essentially flat (0 feet). Within 50 miles is also essentially flat (0 feet).

The area within 2 miles of Cape Cod is covered by artificial surfaces (53%) and trees (41%), within 10 miles by water (61%) and artificial surfaces (21%), and within 50 miles by water (80%) and trees (12%).

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

The details of the data sources used for this report can be found on the Provincetown Municipal Airport page.

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.