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
With its high average temperature of 80.8°F (27.1°C) and a low of 58.8°F (14.9°C), July is regarded as the warmest month.Heat index
Throughout July, the heat index is appraised at 84.2°F (29°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The average relative humidity in July is 75%.Rainfall
In July, the rain falls for 13.4 days. Throughout July, 2.05" (52mm) of precipitation is accumulated. In Chesterfield, during the entire year, the rain falls for 141.4 days and collects up to 24.45" (621mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Chesterfield, the average length of the day in July is 14h and 55min.On the first day of July, sunrise is at 5:18 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:11 pm EDT.
Sunshine
The average sunshine in July is 10.2h.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 6 during July morphs into the following directions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year?
What are the temperatures in July?
What is the average humidity in July?
How much does it rain in July?
When it does not snow?
How many hours of daylight does Chesterfield have in July?
What time are sunrise and sunset in July?
How long on average sun shines in July in Chesterfield?
When is the highest UV index in Chesterfield?
How high is the UV index in July?
Average temperature in July
Chesterfield, MA
- Average high temperature in July: 80.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in July: 58.8°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in July
Chesterfield, MA
- Average pressure in July: 29.94"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in July
Chesterfield, MA
- Average wind speed in July: 5.2mph
The windiest months (with the highest average wind speed) are February and March (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in July
Chesterfield, MA
- Average humidity in July: 75%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).
Average rainfall in July
Chesterfield, MA
- Average rainfall in July: 2.05"
The wettest month (with the highest rainfall) is October (2.6").
The driest month (with the least rainfall) is August (1.57").
Average rainfall days in July
Chesterfield, MA
- Average rainfall days in July: 13.4 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in July
Chesterfield, MA
- Average snowfall in July: 0"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Chesterfield, MA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Chesterfield, 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 6min).
- Average sunshine in July: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in July
Chesterfield, MA
- Average sunshine days in July: 15.7 days
The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is April (12.7 days).
Average UV index in July
Chesterfield, MA
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in July
Chesterfield, MA
- Average cloud cover in July: 35
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in July
Chesterfield, MA
- Average visibility in July: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Chesterfield, Massachusetts, USA
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