Climate and monthly weather forecastProvincetown, MA
Provincetown, Massachusetts, USA - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. Winter months in Provincetown, December through February, bear low temperatures, limited daylight hours, and occasional snowfall. Autumn in Provincetown, September through November, features decreasing temperatures, shortening daylight hours, and variable rainfall.

Climate and monthly weather forecast
The climate of Provincetown
Provincetown, Massachusetts sits in a predominately Humid subtropical climate, with no dry season according to the Köppen climate classification, which is identified as Cfa. Positioned near the northern tip of Cape Cod, Provincetown experiences a wide range of weather conditions throughout the year influenced by its coastal location.The area sees temperatures that rise from the chilly 37.6°F (3.1°C) in January to a warm 71.8°F (22.1°C) in August. Contrastingly, low temperatures range from 29.8°F (-1.2°C) in the colder months to 66.7°F (19.3°C) during the hottest season. Relative humidity remains fairly constant, ranging from 74% in November to 84% from June to July. Rainfall amounts vary moderately, with the most precipitation falling in December with 3.39" (86mm), and the least in September, measuring only 2.17" (55mm). Snowfall is limited to the winter months with January and February seeing the most snowfall reaching up to 1.3" (33mm) and 1.85" (47mm) respectively.
Particularly unique is the fluctuation in daylight hours. Daylight hours peak at 15.2 hours in June, before dropping to as low as 9.2 hours in December. Coupled with changes in humidity and temperature, these diverse weather patterns underline the uniqueness of Provincetown's climate.
The best time to visit Provincetown
For weather-oriented visitors, the best time to visit Provincetown is between June and August. During this period, average high temperatures hover between 63.3°F (17.4°C) to 71.8°F (22.1°C) are coupled with the longest daylight hours, reaching up to 15.2 hours in June, allowing tourists ample time to explore the coastal town. With relative humidity at its peak, the air will be warm and may offer a tropical feel.Furthermore, the sea's temperature soars to 66.4°F (19.1°C) in July and 67.6°F (19.8°C) in August, making these summer months perfect for coastal activities such as swimming and watersports. Sunseekers would also be pleased to note that the summer months offer the most sunshine hours, peaking at 10.7 hours in August.
The worst time to visit Provincetown
The least inviting time to visit Provincetown falls between December and February. During these winter months, high temperatures hoverjust above freezing, in the range of 37.6°F (3.1°C) to 40.6°F (4.8°C), while low temperature averages dip to near freezing, between 29.8°F (-1.2°C) to 34.3°F (1.3°C). The chilly air is compounded by the shortest daylight hours of the year, averaging only 9.2 to 10.6 hours, limiting the amount of time tourists can spend in outdoor activities.These months also signify the period with the highest snowfall. January sees the highest snowfall at 1.3" (33mm) and February follows closely with snowfall measuring at 1.85" (47mm), potentially disrupting plans and travels.
Spring weather in Provincetown
Spring in Provincetown, from March to May, is characterized by gradually rising temperatures, longer days, and increased rainfall. High temperatures average from 40.6°F (4.8°C) to 55°F (12.8°C) while lows vary from 34.3°F (1.3°C) to 49.6°F (9.8°C). Rainfall escalates throughout the season, increasing from 2.91" (74mm) in March to 2.36" (60mm) in May. Daylight hours extend from 12 hours in March to 14.6 hours in May.Summer weather in Provincetown
Summer in Provincetown, spanning June through August, offers warm weather, extended daylight hours, and modest rainfall. Average high temperatures range from 63.3°F (17.4°C) to 71.8°F (22.1°C), while lows rest between 58.3°F (14.6°C) to 66.7°F (19.3°C). Rainfall is moderate, with precipitation totals ranging between 2.72" (69mm) to 3.03" (77mm). These months offer the longest daylight hours of the year, averaging from 14.9 to 15.2 hours, providing plenty of sunshine for outdoor activities.Autumn weather in Provincetown
Autumn in Provincetown, September through November, features decreasing temperatures, shortening daylight hours, and variable rainfall. During this season, average high temperatures decrease from 66.4°F (19.1°C) in September to 50.4°F (10.2°C) in November, while low temperatures shift between 61.9°F (16.6°C) to 44.2°F (6.8°C). Rainfall varies, ramping up to 3.03" (77mm) in October, before getting down to 2.44" (62mm) in November. Daylight hours gradually decrease, from approximately 12.5 hours in September to 9.8 hours in November.Winter weather in Provincetown
Winter months in Provincetown, December through February, bear low temperatures, limited daylight hours, and occasional snowfall. High temperatures fluctuate between 37.6°F (3.1°C) to 40.6°F (4.8°C), while lows range from 29.8°F (-1.2°C) to 34.3°F (1.3°C), marking the coldest season. Winds are more intense during this time, amplifying the perceived cold, having an average speed between 17.1mph (27.5km/h) to 17.8mph (28.6km/h). Snowfall is minimal but present, averaging 0.71" (18mm) in December and 1.3" (33mm) in January. Daylight hours are restricted, averaging from 9.2 to 10.6 hours.Weather in January
January in Provincetown, Massachusetts typically has relatively cold temperatures and decent humidity levels, making it a typical winter month. It is colder than December, with chilly sea temperatures as well. The month features mild wind conditions compared to other winter months. Weather in January »Weather in February
February continues the winter trend established in January with cold temperatures, though there's a slight improvement with temperatures reaching up to 37.9°F (3.3°C). The frequency of rainfall and snowfall remains constant as in January with moderate amounts falling through the month. Weather in February »Weather in March
In March, Provincetown, Massachusetts starts to witness a change in the weather as winter gradually gives way to spring. With temperatures rising to an average high of 40.6°F (4.8°C), the weather remains cold while becoming slightly more bearable. Weather in March »Weather in April
The weather in April jumps head-on into spring with remarkably warmer conditions compared to March, reaching up to 46.9°F (8.3°C). It is one of the wettest months in Provincetown, with a considerable number of rainy days. The wind speed and the sea temperature also see an upward trend, with gusty winds and slightly warmer sea waters. Weather in April »Weather in May
May provides a welcome relief from the cold months, with temperatures soaring to 55°F (12.8°C), making it much warmer than April. Provincetown, Massachusetts enjoys long, sunny days as spring is in full bloom. Rainfall reduces from April's high, balancing between sun and rain to keep the city green and blooming. Weather in May »Weather in June
With the arrival of June, the summer officially begins in Provincetown, Massachusetts. Temperatures feel delightful as they rise to 63.3°F (17.4°C), a significant leap compared to May. The rains continue to hover around the same number as in May, ensuring the city remains lush and vibrant. Weather in June »Weather in July
July is the pinnacle of summer in Provincetown, Massachusetts with temperatures peaking at 71.2°F (21.8°C). It is the hottest month of the year with long, sunny days and occasional thunderstorms. Humidity is high due to the rise in temperatures and seaside location. Weather in July »Weather in August
In August, Provincetown, Massachusetts experiences a slight dip in temperatures from the July peak to a more manageable 71.8°F (22.1°C). The humidity, while still high, sees a small decrease, making the weather a tad more comfortable. Weather in August »Weather in September
September in Provincetown, Massachusetts marks the beginning of a cool shift as the summer warmth starts to dissipate, with temperatures falling to 66.4°F (19.1°C). Rainfall frequency declines from August, keeping the city relatively drier. Weather in September »Weather in October
October witnesses noticeable change as autumn sets in fully in Provincetown, Massachusetts. Temperatures cool down to 58.8°F (14.9°C) from September highs. This month experiences higher rainfall than September, rendering the city wetter. Weather in October »Weather in November
November turns colder with Provincetown, Massachusetts, preparing for the approaching winter season. Temperatures drop to 50.4°F (10.2°C), making it significantly cooler than October. Less rainfall and reduced daylight hours characterize this month as the transition from autumn to winter continues. Weather in November »Weather in December
December in Provincetown, Massachusetts, is marked by the arrival of winter, with temperatures dropping to 43.2°F (6.2°C). Cold winds combined with shorter days give a proper start to the winter season. The rainfall amount increases from November, turning the city damp and cold. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Provincetown, MA
The warmest month (with the highest average high temperature) is August (71.8°F).
The month with the lowest average high temperature is January (37.6°F).
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure
Provincetown, MA
- Average pressure in January:
29.99"Hg - Average pressure in February:
29.98"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.02"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Provincetown, MA
- Average wind speed in January:
17.8mph - Average wind speed in February:
17.1mph - Average wind speed in March:
16.8mph - Average wind speed in April:
14.4mph - Average wind speed in May:
12.5mph - Average wind speed in June:
11.7mph
- Average wind speed in July:
11mph - Average wind speed in August:
10.9mph - Average wind speed in September:
12.6mph - Average wind speed in October:
14.9mph - Average wind speed in November:
16.5mph - Average wind speed in December:
17.1mph
The windiest month (with the highest average wind speed) is January (17.8mph).
The calmest month (with the lowest average wind speed) is August (10.9mph).
Average humidity
Provincetown, MA
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall
Provincetown, MA
- Average rainfall in January:
2.52" - Average rainfall in February:
2.36" - Average rainfall in March:
2.91" - Average rainfall in April:
2.72" - Average rainfall in May:
2.36" - Average rainfall in June:
2.72"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.52" - Average rainfall in September:
2.17" - Average rainfall in October:
3.03" - Average rainfall in November:
2.44" - Average rainfall in December:
3.39"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days
Provincetown, MA
- Average rainfall days in January:
9 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
15.2 days - Average rainfall days in May:
16.2 days - Average rainfall days in June:
14 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
11.4 days - Average rainfall days in December:
12.1 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (8.6 days).
Average snowfall
Provincetown, MA
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Provincetown, MA
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
4.1 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.9 days - Average snowfall days in December:
3.4 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature
Provincetown, MA
The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (39°F).
Average daylight / Average sunshine
Provincetown, MA
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 42min - Average sunshine in February:
4h and 36min - Average sunshine in March:
5h and 42min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 42min - Average sunshine in September:
8h and 36min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days
Provincetown, MA
- Average sunshine days in January:
15.1 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
14 days - Average sunshine days in June:
14.6 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
14.3 days - Average sunshine days in November:
16.6 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is July (12.6 days).
Average UV index
Provincetown, MA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Provincetown, MA
The month with the most cloud cover is December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Provincetown, MA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





