July weather forecast
Edgartown, MA

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Classy and luxurious houses right on the harbor in Edgartown, Massachusetts, with long piers onto the water
Classy and luxurious houses right on the harbor in Edgartown, Massachusetts, with long piers onto the water

Weather in July

July takes center stage as the warmest month in Edgartown with average temperatures ranging from 68.5°F (20.3°C) to 72.9°F (22.7°C). This month can be characterized by light rainfall, measuring about 1.89" (48mm). The winds continue to soothe rather than chill, contributing to a comfortable summer. July sees sea temperatures hitting their peak, perfect for any visitor wishing to take a refreshing dip. Under its warm and sunny skies, July is vibrantly alive with activities and events.

Temperature

As June gives way to July, the average high-temperature displays a slight ascent, adjusting from an enjoyable 64.9°F (18.3°C) to a pleasant 72.9°F (22.7°C). July nights cool to an average low-temperature of 68.5°F (20.3°C), a marginal decrease from its daytime equivalent.

Humidity

May through July, with an average relative humidity of 83%, are the most humid months.

Rainfall

In Edgartown, in July, during 14.4 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, there are 146.4 rainfall days, and 25.47" (647mm) of precipitation is accumulated.

Snowfall

In Edgartown, snow does not fall in April through November.

Ocean temperature

In July, the average ocean temperature is 66.6°F (19.2°C).
Note: For most, swimming in 66.6°F (19.2°C) is not a pleasant activity. Breathing becomes increasingly challenging as water temperature descends from 69.8°F (21°C) to 59°F (15°C).

Daylight

In July, the average length of the day is 14h and 49min.
On the first day of July in Edgartown, sunrise is at 5:12 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:00 pm EDT.

Sunshine

The average sunshine in July is 10.5h.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In July, the maximum UV index of 6 suggests these recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in July?

Edgartown in July has an average high-temperature of 72.9°F (22.7°C) and an average low-temperature of 68.5°F (20.3°C).

What is the most humid month?

May through July, with an average relative humidity of 83%, are most humid months in Edgartown.

What is the average humidity in July?

In July, the average relative humidity is 83%.

How many days does it rain in July?

In Edgartown, in July, it is raining for 14.4 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow?

In Edgartown, snow does not fall in April through November.

What is the ocean temperature in July?

In July, the average ocean temperature is 66.6°F (19.2°C). Swimming in 66.6°F (19.2°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in July?

The average day length in July is 14h and 49min.

When is the sunrise / sunset in July in Edgartown?

On the first day of July, sunrise is at 5:12 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:00 pm EDT.

How many hours of sunshine does Edgartown have in July?

In July, the average sunshine duration is 10.5h.

What is the month with the highest UV index?

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

What is the UV index intensity in July?

The average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Edgartown, MA

Average temperature in July - Edgartown, MA
  • Average high temperature in July: 72.9°F

The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in July: 68.5°F

The month with the highest average low temperature is August (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in July
Edgartown, MA

Average pressure in July - Edgartown, MA
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in July
Edgartown, MA

Average wind speed in July - Edgartown, MA
  • Average wind speed in July: 10.9mph

The windiest month (with the highest average wind speed) is January (16.2mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).

Average humidity in July
Edgartown, MA

Average humidity in July - Edgartown, MA
  • Average humidity in July: 83%

The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).

Average rainfall in July
Edgartown, MA

Average rainfall in July - Edgartown, MA
  • Average rainfall in July: 1.89"

The wettest month (with the highest rainfall) is October (3.07").
The driest months (with the least rainfall) are August and November (1.73").

Average rainfall days in July
Edgartown, MA

Average rainfall days in July - Edgartown, MA
  • Average rainfall days in July: 14.4 days

The month with the highest number of rainy days is April (14.5 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in July
Edgartown, MA

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

The month with the highest snowfall is March (1.18").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in July
Edgartown, MA

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

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in July
Edgartown, MA

Average sea temperature in July - Edgartown, MA
  • Average sea temperature in July: 66.5°F

The best month for swimming (with the highest average sea temperature) is August (68.5°F).
The coldest month (with the lowest average sea temperature) is February (37.9°F).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in July
Edgartown, MA

Average sunshine days in July - Edgartown, MA
  • Average sunshine days in July: 14.7 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is April (13.5 days).

Average UV index in July
Edgartown, MA

Average UV index in July - Edgartown, 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
Edgartown, MA

Average cloud cover in July - Edgartown, MA
  • Average cloud cover in July: 30

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in July
Edgartown, MA

Average visibility in July - Edgartown, 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).

Edgartown, Massachusetts, USA

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