January weather forecast
Chesterfield, VA

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Weather in January

January, the same as December, in Chesterfield, Virginia, is another chilly winter month, with an average temperature varying between 45°F (7.2°C) and 29.7°F (-1.3°C).

Temperature

Chesterfield's coldest month, January, generally records average temperatures ranging from a high of 45°F (7.2°C) to a low of 29.7°F (-1.3°C).

Humidity

The average relative humidity in January in Chesterfield is 73%.

Rainfall

In January, the rain falls for 9 days. Throughout January, 1.77" (45mm) of precipitation is accumulated. In Chesterfield, during the entire year, the rain falls for 143.2 days and collects up to 22.36" (568mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Chesterfield. In Chesterfield, during January, snow falls for 2.3 days and regularly aggregates up to 0.87" (22mm) of snow. In Chesterfield, during the entire year, snow falls for 8.7 days and aggregates up to 4.41" (112mm) of snow.

Daylight

In Chesterfield, the average length of the day in January is 9h and 56min.
On the first day of January, sunrise is at 7:24 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:32 pm EST.

Sunshine

The average sunshine in January is 5.4h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January, known for its average high temperature of 45°F (7.2°C) and an average low temperature of 29.7°F (-1.3°C), is the coldest month.

What is the usual temperature for Chesterfield in January?

The average high-temperature and low-temperature during January are 45°F (7.2°C) and 29.7°F (-1.3°C) respectively.

What is the average humidity in January in Chesterfield?

The average relative humidity in January is 73%.

How many days does it rain in January?

In Chesterfield, Virginia, in January, during 9 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Chesterfield, during January, snow falls for 2.3 days and regularly aggregates up to 0.87" (22mm) of snow.

What is the average length of the day in January?

In January, the average day length is 9h and 56min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:32 pm EST.

How many hours of sunshine does Chesterfield have in January?

In Chesterfield, the average sunshine duration in January is 5.4h.

What are the months with the lowest UV index?

January and December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in January?

In Chesterfield, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Chesterfield, VA

Average temperature in January - Chesterfield, VA
  • Average high temperature in January: 45°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (45°F).

  • Average low temperature in January: 29.7°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in January
Chesterfield, VA

Average pressure in January - Chesterfield, VA
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in January
Chesterfield, VA

Average wind speed in January - Chesterfield, VA
  • Average wind speed in January: 6.9mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in January
Chesterfield, VA

Average humidity in January - Chesterfield, VA
  • Average humidity in January: 73%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (68%).

Average rainfall in January
Chesterfield, VA

Average rainfall in January - Chesterfield, VA
  • Average rainfall in January: 1.77"

The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in January
Chesterfield, VA

Average rainfall days in January - Chesterfield, VA
  • Average rainfall days in January: 9 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (8.6 days).

Average snowfall in January
Chesterfield, VA

Average snowfall in January - Chesterfield, VA
  • Average snowfall in January: 0.87"

The months with the highest snowfall are February and March (1.1").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Chesterfield, VA

Average snowfall days in January - Chesterfield, VA
  • Average snowfall days in January: 2.3 days

The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Chesterfield, VA

Average daylight in January / Average sunshine in January - Chesterfield, VA
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in January
Chesterfield, VA

Average sunshine days in January - Chesterfield, VA
  • Average sunshine days in January: 19.3 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in January
Chesterfield, VA

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

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in January
Chesterfield, VA

Average cloud cover in January - Chesterfield, VA
  • Average cloud cover in January: 41

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in January
Chesterfield, VA

Average visibility in January - Chesterfield, VA
  • Average visibility in January: 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).

Chesterfield, Virginia, USA

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