July weather forecastHarwich Port, MA
July
Weather in July
July in Harwich Port, Massachusetts, is an agreeable summer month, with temperature in the range of an average low of 67.1°F (19.5°C) and an average high of 70.3°F (21.3°C).Temperature
The embrace of July brings a minor uplift in the average high-temperature, shifting from an enjoyable 63°F (17.2°C) in June to an agreeable 70.3°F (21.3°C). Harwich Port, in July, registers an average low temperature of 67.1°F (19.5°C), showing a minute reduction from daily highs.Humidity
June and July, with an average relative humidity of 85%, are the most humid months.Rainfall
In Harwich Port, Massachusetts, during July, the rain falls for 13.8 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 142.4 rainfall days, and 22.09" (561mm) of precipitation is accumulated.Snowfall
In Harwich Port, snow does not fall in May through October.Ocean temperature
In July, the average ocean temperature is 65.8°F (18.8°C).Note: Swimming in water that is 65.8°F (18.8°C) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
The average length of the day in July in Harwich Port 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 Port, 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 hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 6 during July translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Harwich Port, 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 Port, 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 Port, 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 Port, 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 Port, 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 Port, 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 Port, 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 Port, 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 sea temperature in July
Harwich Port, 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
Harwich Port, 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 Port, 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 Port, 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 Port, 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 Port, 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).
