Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
The shift from June to July introduces a subtle increase in the average high-temperature, moving from an enjoyable 64°F (17.8°C) to a pleasant 72.1°F (22.3°C). In Dennis, the nocturnal temperatures throughout July show a marginal dip from the daytime averages, settling at a comfortable 67.3°F (19.6°C).Humidity
The months with the highest humidity are May through July, with an average relative humidity of 83%.Rainfall
In July, the rain falls for 12.9 days. Throughout July, 1.1" (28mm) of precipitation is accumulated. In Dennis, during the entire year, the rain falls for 129.6 days and collects up to 13.94" (354mm) of precipitation.Snowfall
May through November are months without snowfall.Daylight
In July, the average length of the day in Dennis is 14h and 51min.On the first day of the month, sunrise is at 5:10 am and sunset at 8:19 pm. On the last day of July, sunrise is at 5:34 am and sunset at 7:59 pm EDT.
Sunshine
The average sunshine in July in Dennis is 10.6h.UV index
The months with the highest UV index in Dennis are July and August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In July, an average UV index of 6 transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What are the temperatures in Dennis in July?
What is the most humid month in Dennis?
What is the average humidity in July in Dennis?
How many days does it rain in July in Dennis?
When it does not snow in Dennis?
What is the average length of the day in July in Dennis?
What time are sunrise and sunset in July in Dennis?
How many hours of sunshine does Dennis have in July?
When is the highest UV index in Dennis?
How high is the UV index in July in Dennis?
Average temperature in July
Dennis, MA
- Average high temperature in July: 72.1°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in July: 67.3°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 (30.4°F).
Average pressure in July
Dennis, MA
- Average pressure in July: 29.95"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, MA
- Average wind speed in July: 10.5mph
The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity in July
Dennis, MA
- Average humidity in July: 83%
The months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).
Average rainfall in July
Dennis, MA
- Average rainfall in July: 1.1"
The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days in July
Dennis, MA
- Average rainfall days in July: 12.9 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in July
Dennis, MA
- Average snowfall in July: 0"
The months with the highest snowfall are January and February (0.63").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in July
Dennis, MA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Dennis, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in July
Dennis, MA
- Average sunshine days in July: 16.7 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is February (14.8 days).
Average UV index in July
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
Dennis, MA
- Average cloud cover in July: 29
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in July
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).
Dennis, Massachusetts, USA
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