July weather forecastEast Dennis, MA
July
Weather in July
July in East Dennis, Massachusetts, is a pleasant summer month, with an average temperature fluctuating between 67.6°F (19.8°C) and 71.6°F (22°C).Temperature
The arrival of July witnesses a small shift in the average high-temperature, moving from a comfortable 63.5°F (17.5°C) in June to an agreeable 71.6°F (22°C). July nights document an average temperature reading of 67.6°F (19.8°C).Humidity
The months with the highest humidity are June and July, with an average relative humidity of 84%.Rainfall
In July, the rain falls for 12.3 days. Throughout July, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 129 rainfall days, and 14.21" (361mm) of precipitation is accumulated.Snowfall
May through November are months without snowfall.Ocean temperature
In July, the average ocean temperature is 65.8°F (18.8°C).Note: Swimming is not a pleasurable activity for most people when the water temperature is 65.8°F (18.8°C). Breathing control gets harder as the water temperature drops from 69.8°F (21°C) to 59°F (15°C).
Daylight
In July, the average length of the day is 14h and 51min.On the first day of July in East Dennis, sunrise is at 5:10 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 7:59 pm EDT.
Sunshine
In East Dennis, 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 reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In July, the maximum UV index of 6 transforms into these recommendations:
Shun overexposure. Protection from sun ravages is indispensable. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
East Dennis, MA
- Average high temperature in July: 71.6°F
The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in July: 67.6°F
The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in July
East Dennis, 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 Dennis, MA
- Average wind speed in July: 10.9mph
The windiest month (with the highest average wind speed) is January (16.8mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).
Average humidity in July
East Dennis, MA
- Average humidity in July: 84%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall in July
East Dennis, MA
- Average rainfall in July: 1.02"
The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days in July
East Dennis, MA
- Average rainfall days in July: 12.3 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in July
East Dennis, MA
- Average snowfall in July: 0"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in July
East Dennis, MA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in July
East Dennis, 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
East Dennis, MA
- Average daylight in July: 14h and 54min
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 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in July
East Dennis, MA
- Average sunshine days in July: 17.6 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in July
East Dennis, 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 Dennis, MA
- Average cloud cover in July: 29
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in July
East Dennis, 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).
