July weather forecastDennis Port, MA
July
Weather in July
July in Dennis Port, Massachusetts, is a pleasant summer month, with an average temperature varying between 67.6°F (19.8°C) and 71.6°F (22°C).Temperature
With the onset of July, Dennis Port's average high-temperature experiences a slight rise, moving from June's refreshing 63.5°F (17.5°C) to a pleasant 71.6°F (22°C). Dennis Port's July nights exhibit a subtle drop in temperature, averaging at a refreshing 67.6°F (19.8°C), closely aligned with the daytime highs.Humidity
The months with the highest humidity are June and July, with an average relative humidity of 84%.Rainfall
In Dennis Port, in July, it is raining for 12.3 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, there are 129 rainfall days, and 14.21" (361mm) of precipitation is accumulated.Snowfall
In Dennis Port, snow does not fall in May through November.Daylight
The average length of the day in July is 14h and 50min.On the first day of July, sunrise is at 5:10 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 7:59 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 of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 in July translates into this advice:
Take precautions against overexposure. Protection against sun damage is needed. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Dennis Port, 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
Dennis 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
Dennis Port, 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
Dennis Port, 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
Dennis Port, 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
Dennis Port, 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
Dennis Port, 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
Dennis Port, 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 daylight in July /
Average sunshine in July
Dennis 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 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in July
Dennis Port, 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
Dennis 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
Dennis Port, 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
Dennis 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).
