July weather forecast
Harwich, MA

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Weather in July

July in Harwich, Massachusetts, is a pleasant summer month, with an average temperature varying between 67.1°F (19.5°C) and 70.3°F (21.3°C).

Temperature

Observing a slight rise in July, the average high-temperature shifts from June's enjoyable 63°F (17.2°C) to an agreeable 70.3°F (21.3°C). In Harwich, the month of July records an average minimum temperature of 67.1°F (19.5°C), a slight dip from the daily highs.

Humidity

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

Rainfall

In Harwich, in July, it is raining for 13.8 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 142.4 rainfall days, and 22.09" (561mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in July 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, in Harwich, sunrise is at 5:34 am and sunset at 7:58 pm EDT.

Sunshine

In July, the average sunshine is 10.5h.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In July, the UV index of 6 transforms into the following advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What is the usual temperature for Harwich in July?

The high-temperature, in July, in Harwich, records 70.3°F (21.3°C), while the 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 Harwich, the average relative humidity in July is 85%.

How much does it rain in July?

In Harwich, in July, it is raining for 13.8 days, with typically 1.73" (44mm) of accumulated precipitation.

When it does not snow?

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

How many hours of daylight does Harwich have in July?

The average day length in July is 14h and 51min.

What time are sunrise and sunset in July?

In July, on the first day of the month, 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 many hours of sunshine does Harwich have in July?

In Harwich, the average sunshine duration in July is 10.5h.

When is 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?

The average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health threat from unsafe 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
Harwich, MA

Average temperature in July - 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
Harwich, MA

Average pressure in July - 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
Harwich, MA

Average wind speed in July - 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
Harwich, MA

Average humidity in July - 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
Harwich, MA

Average rainfall in July - 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
Harwich, MA

Average rainfall days in July - 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
Harwich, MA

Average snowfall in July - 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
Harwich, MA

Average snowfall days in July - 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
Harwich, MA

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

Average sunshine days in July - 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
Harwich, MA

Average UV index in July - 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
Harwich, MA

Average cloud cover in July - 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
Harwich, MA

Average visibility in July - 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).

Harwich, Massachusetts, USA

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