July weather forecast
Chesterfield, MA

Weather in July

July, like June, in Chesterfield, Massachusetts, is another warm summer month, with average temperature fluctuating between 80.8°F (27.1°C) and 58.8°F (14.9°C).

Temperature

The warmest month is July, with an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 58.8°F (14.9°C).

Heat index

The average heat index is evaluated at 85.1°F (29.5°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, pregnancy, differences in body mass, height, and shape). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In July, the average relative humidity is 75%.

Rainfall

In Chesterfield, in July, during 13.4 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Chesterfield, during the entire year, the rain falls for 141.4 days and collects up to 24.45" (621mm) of precipitation.

Snowfall

In Chesterfield snow does not fall in June through September.

Daylight

The average length of the day is 14.9h.

Sunshine

The average sunshine in Chesterfield 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 of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in July interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Chesterfield?

The warmest month is July, with an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 58.8°F (14.9°C).

What is the temperature in July in Chesterfield?

The average high-temperature, in July, in Chesterfield, is 80.8°F (27.1°C), while the average low-temperature is 58.8°F (14.9°C). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is evaluated at 85.1°F (29.5°C).

What is the average humidity in July in Chesterfield?

In Chesterfield, the average relative humidity in July is 75%.

How much does it rain in Chesterfield in July?

In Chesterfield, Massachusetts, in July, during 13.4 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

When it does not snow in Chesterfield?

In Chesterfield, Massachusetts, snow does not fall in June through September.

How many hours of daylight does Chesterfield have in July?

In July, the average length of the day in Chesterfield is 14.9h.

How long on average sun shines in July in Chesterfield?

In July, the average sunshine is 10.2h.

What is the month with the highest UV index in Chesterfield?

Months with the highest UV index in Chesterfield are June and July, with an average maximum UV index of 6.

What is the UV index intensity in July in Chesterfield?

In July, the average daily maximum UV index in Chesterfield, Massachusetts, is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in July
Chesterfield, MA

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).

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Average pressure in July
Chesterfield, MA

Average pressure in July - Chesterfield, MA
  • Average pressure in July: 29.94"

The month with the highest atmospheric pressure is November (30.08").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed in July
Chesterfield, MA

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).

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Average humidity in July
Chesterfield, MA

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%).

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Average rainfall in July
Chesterfield, MA

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").

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Average rainfall days in July
Chesterfield, MA

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).

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Average snowfall in July
Chesterfield, MA

Average snowfall in July - Chesterfield, MA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (6.3").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Chesterfield, MA

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).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Chesterfield, MA

Average daylight in July / Average sunshine in July - Chesterfield, MA
  • Average daylight in July: 14.9h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in July: 10.2h

The month with the most sunshine is August (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in July
Chesterfield, MA

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).

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Average UV index in July
Chesterfield, MA

Average UV index in July - Chesterfield, MA
  • Average UV index in July: 6

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in July
Chesterfield, MA

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).

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Average visibility in July
Chesterfield, MA

Average visibility in July - Chesterfield, MA
  • Average visibility in July: 5mi

Months with the highest visibility are April and November (6mi).
Months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

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