July weather forecast
Provincetown, MA

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Residential homes along the scenic shores of Provincetown in Cape Cod, Massachusetts
Residential homes along the scenic shores of Provincetown in Cape Cod, Massachusetts

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. Despite being the month with the highest rainfall pattern, the rain brings relief from the high temperatures and keeps the weather pleasant. Swimming activities perk up as sea temperatures rise, providing a refreshing retreat.

Temperature

July brings a slight rise in Provincetown's average high-temperature, moving from an enjoyable 63.3°F (17.4°C) in June to a pleasant 71.2°F (21.8°C). In Provincetown, July is characterized by an average low-temperature of 66.2°F (19°C), indicating a minor drop from daytime highs.

Humidity

The months with the highest humidity are June and July, with an average relative humidity of 84%.

Rainfall

In Provincetown, during July, the rain falls for 17.1 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, in Provincetown, there are 157.1 rainfall days, and 32.17" (817mm) of precipitation is accumulated.

Snowfall

In Provincetown, snow does not fall in May through October.

Ocean temperature

In July, the average ocean temperature is 66.6°F (19.2°C).
Note: In water of 66.6°F (19.2°C), the majority of people do not enjoy swimming. Breathing becomes increasingly hard to manage as the temperature drops from 69.8°F (21°C) to 59°F (15°C).

Daylight

The average length of the day in July is 14h and 53min.
On the first day of the month, sunrise is at 5:09 am and sunset at 8:20 pm. On the last day of July, in Provincetown, Massachusetts, sunrise is at 5:33 am and sunset at 8:00 pm EDT.

Sunshine

The average sunshine in July is 10.4h.

UV index

The month with the highest UV index in Provincetown is July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
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Frequently asked questions

What is the temperature in July in Provincetown?

Provincetown in July has an average high-temperature of 71.2°F (21.8°C) and an average low-temperature of 66.2°F (19°C).

What is the most humid month in Provincetown?

The months with the highest humidity in Provincetown are June and July, with an average relative humidity of 84%.

What is the average humidity in July in Provincetown?

The average relative humidity in July in Provincetown, Massachusetts, is 84%.

How many days does it rain in July in Provincetown?

In Provincetown, Massachusetts, in July, during 17.1 rainfall days, 3.03" (77mm) of precipitation is typically accumulated.

When it does not snow in Provincetown?

May through October are months without snowfall in Provincetown.

How cold is the water in July in Provincetown?

In Provincetown, Massachusetts, in July, the average water temperature is 66.6°F (19.2°C). For most, swimming in 66.6°F (19.2°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

What is the average length of the day in July in Provincetown?

The average day length in July in Provincetown is 14h and 53min.

What time are sunrise and sunset in July in Provincetown?

In July, on the first day of the month, sunrise is at 5:09 am and sunset at 8:20 pm. On the last day of the month, in Provincetown, sunrise is at 5:33 am and sunset at 8:00 pm EDT.

How long on average sun shines in July in Provincetown?

The average sunshine duration in July is 10.4h.

When is the highest UV index in Provincetown?

The month with the highest UV index in Provincetown, Massachusetts, is July, with an average maximum UV index of 6.

What is the UV index intensity in July in Provincetown?

In Provincetown, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJulyASOND
Jun
July
Aug
Average high temperature
63.3°F 17.4°C
71.2°F 21.8°C
71.8°F 22.1°C
Average low temperature
58.3°F 14.6°C
66.2°F 19°C
66.7°F 19.3°C
Average pressure
29.93" 760mmHg
29.95" 761mmHg
29.98" 761mmHg
Average wind speed
11.7mph 18.8km/h
11mph 17.7km/h
10.9mph 17.5km/h
Average max. wind speed
12.6mph 20.3km/h
11.9mph 19.2km/h
11.9mph 19.2km/h
Average wind speed gusts
21.7mph 34.9km/h
20.1mph 32.3km/h
18.8mph 30.3km/h
Average humidity
84%
84%
82%
Average rainfall
2.72" 69mm
3.03" 77mm
2.52" 64mm
Average rainfall days
14
17.1
14.8
Average snowfall
0" 0mm
0" 0mm
0" 0mm
Average snowfall days
0
0
0
Average sea temperature
58.3°F 14.6°C
66.4°F 19.1°C
67.6°F 19.8°C
Average daylight
15h 1min
14h 5min
13h 5min
Average sunshine
9h 2min
10h 2min
10h 4min
Average sunshine days
14.6
12.6
14.3
Average UV index
5
6
5
Average cloud cover
38%
31%
28%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in July
Provincetown, MA

Average temperature in July - Provincetown, MA
  • Average high temperature in July: 71.2°F

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).

  • Average low temperature in July: 66.2°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).

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Average pressure in July
Provincetown, MA

Average pressure in July - Provincetown, MA
  • Average pressure in July: 29.95"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).

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Average wind speed in July
Provincetown, MA

Average wind speed in July - Provincetown, MA
  • Average wind speed in July: 11mph

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).

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Average humidity in July
Provincetown, MA

Average humidity in July - Provincetown, MA
  • Average humidity in July: 84%

The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in July
Provincetown, MA

Average rainfall in July - Provincetown, MA
  • Average rainfall in July: 3.03"

The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (2.17").

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Average rainfall days in July
Provincetown, MA

Average rainfall days in July - Provincetown, MA
  • Average rainfall days in July: 17.1 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).

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Average snowfall in July
Provincetown, MA

Average snowfall in July - Provincetown, MA
  • Average snowfall in July: 0"

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").

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Average snowfall days in July
Provincetown, MA

Average snowfall days in July - Provincetown, MA
  • Average snowfall days in July: 0 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).

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Average sea temperature in July
Provincetown, MA

Average sea temperature in July - Provincetown, MA
  • Average sea temperature in July: 66.4°F

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).

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Average daylight in July /
Average sunshine in July
Provincetown, MA

Average daylight in July / Average sunshine in July - Provincetown, MA
  • Average daylight in July: 14h and 5min

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 July: 10h and 2min

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).

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Average sunshine days in July
Provincetown, MA

Average sunshine days in July - Provincetown, MA
  • Average sunshine days in July: 12.6 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).

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Average UV index in July
Provincetown, MA

Average UV index in July - Provincetown, MA
  • Average UV index in July: 6

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).

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Average cloud cover in July
Provincetown, MA

Average cloud cover in July - Provincetown, MA
  • Average cloud cover in July: 31

The month with the most cloud cover is December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in July
Provincetown, MA

Average visibility in July - Provincetown, MA
  • Average visibility in July: 6mi

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).

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Provincetown, Massachusetts, USA

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