July weather forecast
Wellfleet, MA

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Weather in July

July claims the title for the warmest month in Wellfleet, marking the height of summer. This month reaps the benefits of extended sunshine and the highest daylight hours of 14.9, favoring various outdoor activities. With its top temperatures averaging an enticing 70.3°F (21.3°C), July becomes the perfect time for sunbathing and water activities in the warmed sea. Despite the summer peak, the city experiences increasing rain showers. Transitioning into August, similar warm weather will persist but with a slight drop in daylight hours.

Temperature

As July arrives, Wellfleet's weather shows a minor increase in high-temperatures, edging from June's enjoyable 62.4°F (16.9°C) to an agreeable 70.3°F (21.3°C). Wellfleet's nights in July maintain a consistent average of 66.9°F (19.4°C), demonstrating a minimal differential from its daytime temperature.

Humidity

With an average relative humidity of 85%, July is the most humid month.

Rainfall

In Wellfleet, in July, during 13.3 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, there are 136.1 rainfall days, and 17.24" (438mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Wellfleet, Massachusetts.

Ocean temperature

In Wellfleet, the average seawater temperature in July is 65.8°F (18.8°C).
Note: Swimming is not a pleasurable activity for most people when the water temperature is 65.8°F (18.8°C). Breathing control gets harder as the water temperature drops from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Wellfleet, the average length of the day in July is 14h and 52min.
On the first day of July in Wellfleet, sunrise is at 5:08 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 7:59 pm EDT.

Sunshine

The average sunshine in July in Wellfleet is 10.4h.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 6 in July translates into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the average July temperature in Wellfleet?

In Wellfleet, in July, the average high-temperature is 70.3°F (21.3°C), and the average low-temperature is 66.9°F (19.4°C).

What is the most humid month in Wellfleet?

With an average relative humidity of 85%, July is the most humid month in Wellfleet, Massachusetts.

What is the average humidity in July in Wellfleet?

In July, the average relative humidity is 85%.

How much does it rain in Wellfleet in July?

In July, in Wellfleet, Massachusetts, the rain falls for 13.3 days. Throughout July, 1.57" (40mm) of precipitation is accumulated.

When it does not snow in Wellfleet?

May through October are months without snowfall.

What is the ocean temperature in July in Wellfleet?

In July, the average ocean temperature in Wellfleet is 65.8°F (18.8°C). For most, swimming in 65.8°F (18.8°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).

How many hours of daylight does Wellfleet have in July?

In Wellfleet, the average day length in July is 14h and 52min.

When is the sunrise / sunset in July in Wellfleet?

In July, on the first day of the month, sunrise is at 5:08 am and sunset at 8:19 pm. On the last day of the month, in Wellfleet, Massachusetts, sunrise is at 5:33 am and sunset at 7:59 pm EDT.

How long on average sun shines in July in Wellfleet?

In July, the average sunshine duration is 10.4h.

When is the highest UV index in Wellfleet?

July and August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in July in Wellfleet?

In Wellfleet, Massachusetts, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJulyASOND
Jun
July
Aug
Average high temperature
62.4°F 16.9°C
70.3°F 21.3°C
71.1°F 21.7°C
Average low temperature
58.6°F 14.8°C
66.9°F 19.4°C
67.6°F 19.8°C
Average pressure
29.93" 760mmHg
29.95" 761mmHg
29.98" 761mmHg
Average wind speed
12.5mph 20.1km/h
11.6mph 18.7km/h
11.6mph 18.7km/h
Average max. wind speed
13.2mph 21.2km/h
12.4mph 20km/h
12.3mph 19.8km/h
Average wind speed gusts
23mph 37km/h
21.3mph 34.3km/h
19.6mph 31.5km/h
Average humidity
84%
85%
83%
Average rainfall
1.38" 35mm
1.57" 40mm
1.26" 32mm
Average rainfall days
12.6
13.3
11.5
Average snowfall
0" 0mm
0" 0mm
0" 0mm
Average snowfall days
0
0
0
Average sea temperature
57.7°F 14.3°C
65.8°F 18.8°C
67.5°F 19.7°C
Average daylight
15h 1min
14h 5min
13h 5min
Average sunshine
9h 2min
10h 2min
10h 4min
Average sunshine days
16.3
16.4
18.2
Average UV index
5
6
6
Average cloud cover
38%
31%
28%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in July
Wellfleet, MA

Average temperature in July - Wellfleet, MA
  • Average high temperature in July: 70.3°F

The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in July: 66.9°F

The month with the highest average low temperature is August (67.6°F).
The coldest months (with the lowest average low temperature) are January and February (31.6°F).

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Average pressure in July
Wellfleet, MA

Average pressure in July - Wellfleet, 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
Wellfleet, MA

Average wind speed in July - Wellfleet, MA
  • Average wind speed in July: 11.6mph

The windiest month (with the highest average wind speed) is January (18.5mph).
The calmest months (with the lowest average wind speed) are July and August (11.6mph).

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Average humidity in July
Wellfleet, MA

Average humidity in July - Wellfleet, MA
  • Average humidity in July: 85%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in July
Wellfleet, MA

Average rainfall in July - Wellfleet, MA
  • Average rainfall in July: 1.57"

The wettest month (with the highest rainfall) is October (2.17").
The driest months (with the least rainfall) are February and November (1.18").

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Average rainfall days in July
Wellfleet, MA

Average rainfall days in July - Wellfleet, MA
  • Average rainfall days in July: 13.3 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in July
Wellfleet, MA

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

The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Wellfleet, MA

Average snowfall days in July - Wellfleet, MA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (6.1 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
Wellfleet, MA

Average sea temperature in July - Wellfleet, MA
  • Average sea temperature in July: 65.8°F

The best month for swimming (with the highest average sea temperature) is August (67.5°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
Wellfleet, MA

Average daylight in July / Average sunshine in July - Wellfleet, 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 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

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Average sunshine days in July
Wellfleet, MA

Average sunshine days in July - Wellfleet, MA
  • Average sunshine days in July: 16.4 days

The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is December (13.1 days).

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Average UV index in July
Wellfleet, MA

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

The months with the highest UV index are July and August (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
Wellfleet, MA

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

The month with the most cloud cover is December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in July
Wellfleet, MA

Average visibility in July - Wellfleet, 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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Wellfleet, Massachusetts, USA

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