January weather forecast
Chesterfield, MA

Weather in January

January, like December, is a freezing cold winter month in Chesterfield, Massachusetts, with average temperature ranging between max 28.8°F (-1.8°C) and min 16.2°F (-8.8°C).

Temperature

The coldest month is January, with an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 16.2°F (-8.8°C).

Humidity

In Chesterfield, the average relative humidity in January is 82%.

Rainfall

In January, the rain falls for 8.4 days. Throughout January, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 141.4 rainfall days, and 24.45" (621mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Chesterfield are January through May, October through December. In January, in Chesterfield, Massachusetts, it is snowing for 9.2 days. Throughout January, 5.08" (129mm) of snow is accumulated. Throughout the year, there are 40.7 snowfall days, and 22.56" (573mm) of snow is accumulated.

Daylight

The average length of the day is 9.5h.

Sunshine

The average sunshine is 5.2h.

UV index

Months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Chesterfield?

January is the coldest month, with an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 16.2°F (-8.8°C).

What is the average humidity in January in Chesterfield?

In Chesterfield, the average relative humidity in January is 82%.

How much does it rain in Chesterfield in January?

In Chesterfield, Massachusetts, in January, during 8.4 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

How much does it snow in Chesterfield in January?

In Chesterfield, Massachusetts, during January, snow falls for 9.2 days and regularly aggregates up to 5.08" (129mm) of snow.

How many hours of daylight does Chesterfield have in January?

In January, the average length of the day in Chesterfield, Massachusetts, is 9.5h.

How many hours of sunshine does Chesterfield have in January?

In Chesterfield, Massachusetts, the average sunshine in January is 5.2h.

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

Months with the lowest UV index in Chesterfield are January through March, October through December, with an average maximum UV index of 2.

How high is the UV index in January in Chesterfield?

In Chesterfield, Massachusetts, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to the Sun's UV rays.

Average temperature in January
Chesterfield, MA

Average temperature in January - Chesterfield, MA
  • Average high temperature in January: 28.8°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 January: 16.2°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 January
Chesterfield, MA

Average pressure in January - Chesterfield, MA
  • Average pressure in January: 30.02"

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 January
Chesterfield, MA

Average wind speed in January - Chesterfield, MA
  • Average wind speed in January: 7.6mph

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 January
Chesterfield, MA

Average humidity in January - Chesterfield, MA
  • Average humidity in January: 82%

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 January
Chesterfield, MA

Average rainfall in January - Chesterfield, MA
  • Average rainfall in January: 1.89"

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 January
Chesterfield, MA

Average rainfall days in January - Chesterfield, MA
  • Average rainfall days in January: 8.4 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 January
Chesterfield, MA

Average snowfall in January - Chesterfield, MA
  • Average snowfall in January: 5.08"

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 January
Chesterfield, MA

Average snowfall days in January - Chesterfield, MA
  • Average snowfall days in January: 9.2 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 January /
Average sunshine in January
Chesterfield, MA

Average daylight in January / Average sunshine in January - Chesterfield, MA
  • Average daylight in January: 9.5h

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 January: 5.2h

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 January
Chesterfield, MA

Average sunshine days in January - Chesterfield, MA
  • Average sunshine days in January: 16.9 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 January
Chesterfield, MA

Average UV index in January - Chesterfield, MA
  • Average UV index in January: 2

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 January
Chesterfield, MA

Average cloud cover in January - Chesterfield, MA
  • Average cloud cover in January: 45

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 January
Chesterfield, MA

Average visibility in January - Chesterfield, MA
  • Average visibility in January: 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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