July weather forecast
Chesterfield, MA

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Weather in July

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

Temperature

July is the month when Chesterfield, Massachusetts, experiences its warmest temperatures, averaging a high of 80.8°F (27.1°C) and a low of 58.8°F (14.9°C).

Heat index

July's mean heat index is evaluated at 84.2°F (29°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

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

Rainfall

In Chesterfield, in July, during 13.4 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Chesterfield, Massachusetts, 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 in July in Chesterfield is 14h and 55min.
On the first day of July in Chesterfield, 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

In July, the average sunshine in Chesterfield, Massachusetts, is 10.2h.

UV index

The months with the highest UV index in Chesterfield are June and July, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In July, the maximum UV index of 6 transforms into these recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What are the warmest months in Chesterfield?

Chesterfield, Massachusetts, experiences its highest temperatures in July, with an average peak of 80.8°F (27.1°C) and a low of 58.8°F (14.9°C).

What is the usual temperature for Chesterfield in July?

The average high-temperature and low-temperature in Chesterfield during July are 80.8°F (27.1°C) and 58.8°F (14.9°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in July is evaluated at 84.2°F (29°C).

What is the average humidity in July in Chesterfield?

The average relative humidity in July in Chesterfield, Massachusetts, is 75%.

How many days does it rain in July in Chesterfield?

In Chesterfield, 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.

What is the average length of the day in July in Chesterfield?

In July, the average day length in Chesterfield is 14h and 55min.

When are sunrise and sunset in July in Chesterfield?

On the first day of July in Chesterfield, 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.

How long on average sun shines in July in Chesterfield?

In July, the average sunshine duration in Chesterfield is 10.2h.

What are the months with the highest UV index in Chesterfield?

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

How high is the UV index in July in Chesterfield?

In July, the average daily maximum UV index in Chesterfield is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"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).

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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").
The 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).
The 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: 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).

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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

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).

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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

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).

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Chesterfield, Massachusetts, USA

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