July weather forecastWellfleet, MA

July

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

July brings a slight rise in Wellfleet's average high-temperature, moving from a refreshing 62.4°F (16.9°C) in June to an agreeable 70.3°F (21.3°C). Throughout the nights in July, Wellfleet notes an average low of 66.9°F (19.4°C), a small dip from the daytime peak.

Humidity

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

Rainfall

In Wellfleet, in July, it is raining for 13.3 days, with typically 1.57" (40mm) of accumulated precipitation. 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.

Ocean temperature

In July, the average ocean temperature is 65.8°F (18.8°C).
Note: A majority do not enjoy swimming in water at 65.8°F (18.8°C). The difficulty in controlling breathing increases progressively as the temperature dips below 69.8°F (21°C).

Daylight

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

Sunshine

In July, the average sunshine is 10.4h.

UV index

The months with the highest UV index in Wellfleet are July and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 6 in July, converts into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

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

The most humid month is July, with an average relative humidity of 85%.

In July, the average relative humidity is 85%.

In Wellfleet, in July, it is raining for 13.3 days, with typically 1.57" (40mm) of accumulated precipitation.

May through October are months without snowfall in Wellfleet.

In July, the average ocean temperature 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).

The average day length in July in Wellfleet is 14h and 52min.

On the first day of July, 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.

In Wellfleet, the average sunshine duration in July is 10.4h.

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

In July, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

62.4°F

70.3°F

71.1°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.2mph

12.4mph

12.3mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

12.6

13.3

11.5

Average snowfall

Average snowfall days

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

16.3

16.4

18.2

Average UV index

Average cloud cover

Average visibility

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).

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).

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).

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%).

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").

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).

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").

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).

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).

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

Average daylight in July: 14h and 54min

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 24min

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).

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).

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).

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).

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).