July weather forecast
East Harwich, MA

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Weather in July

July in East Harwich, Massachusetts, is an agreeable summer month, with an average temperature ranging between min 67.1°F (19.5°C) and max 70.3°F (21.3°C).

Temperature

July's arrival signals a subtle increase in average high-temperatures, moving from June's comfortable 63°F (17.2°C) to a pleasant 70.3°F (21.3°C). East Harwich registers a gentle descent to an average nighttime low of 67.1°F (19.5°C) in July from its daytime highs.

Humidity

June and July, with an average relative humidity of 85%, are the most humid months.

Rainfall

In East Harwich, in July, during 13.8 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In East Harwich, during the entire year, the rain falls for 142.4 days and collects up to 22.09" (561mm) of precipitation.

Snowfall

In East Harwich, snow does not fall in May through October.

Daylight

The average length of the day in July in East Harwich is 14h and 51min.
On the first day of the month, sunrise is at 5:09 am and sunset at 8:18 pm. On the last day of July, sunrise is at 5:34 am and sunset at 7:58 pm EDT.

Sunshine

In July, the average sunshine 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 value 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 transforms into these recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are July temperatures?

An average high-temperature, in July, in East Harwich, is 70.3°F (21.3°C) and the average low-temperature is 67.1°F (19.5°C).

What is the most humid month?

June and July, with an average relative humidity of 85%, are most humid months.

What is the average humidity in July?

In East Harwich, the average relative humidity in July is 85%.

How much does it rain in July?

In July, the rain falls for 13.8 days. Throughout July, 1.73" (44mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in July?

In July, the average day length is 14h and 51min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 5:09 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 7:58 pm EDT.

How long on average sun shines in July?

The average sunshine duration in July is 10.5h.

What are the months with the highest UV index?

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

How high is the UV index in July?

In East Harwich, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
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
East Harwich, MA

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

The warmest month (with the highest average high temperature) is August (71.6°F).
The months with the lowest average high temperature are January and February (39°F).

  • Average low temperature in July: 67.1°F

The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).

Average pressure in July
East Harwich, MA

Average pressure in July - East Harwich, 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 (29.93"Hg).

Average wind speed in July
East Harwich, MA

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

The windiest month (with the highest average wind speed) is January (18mph).
The calmest month (with the lowest average wind speed) is August (11.4mph).

Average humidity in July
East Harwich, MA

Average humidity in July - East Harwich, MA
  • Average humidity in July: 85%

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

Average rainfall in July
East Harwich, MA

Average rainfall in July - East Harwich, MA
  • Average rainfall in July: 1.73"

The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is November (1.46").

Average rainfall days in July
East Harwich, MA

Average rainfall days in July - East Harwich, MA
  • Average rainfall days in July: 13.8 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in July
East Harwich, MA

Average snowfall in July - East Harwich, MA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
East Harwich, MA

Average snowfall days in July - East Harwich, MA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
East Harwich, MA

Average daylight in July / Average sunshine in July - East Harwich, 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 3min

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 18min).

Average sunshine days in July
East Harwich, MA

Average sunshine days in July - East Harwich, MA
  • Average sunshine days in July: 16.4 days

The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is January (13 days).

Average UV index in July
East Harwich, MA

Average UV index in July - East Harwich, 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
East Harwich, MA

Average cloud cover in July - East Harwich, MA
  • Average cloud cover in July: 30

The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in July
East Harwich, MA

Average visibility in July - East Harwich, 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).

East Harwich, Massachusetts, USA

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