July weather forecastHarwich, MA
July
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 14h and 48min
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 30min
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: 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: 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: 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: 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).
