January weather forecast
Chester, CT

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Weather in January

January, the same as December, is an icy winter month in Chester, Connecticut, with an average temperature ranging between min 25.5°F (-3.6°C) and max 35.2°F (1.8°C).

Temperature

With its high average temperature of 35.2°F (1.8°C) and a low of 25.5°F (-3.6°C), January is regarded as the coldest month.

Humidity

The average relative humidity in January is 74%.

Rainfall

In Chester, during January, the rain falls for 9 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Chester, Connecticut, during the entire year, the rain falls for 166.2 days and collects up to 34.8" (884mm) of precipitation.

Snowfall

Months with snowfall in Chester are January through May, November and December. In Chester, Connecticut, in January, during 6.3 snowfall days, 2.17" (55mm) of snow is typically accumulated. In Chester, during the entire year, snow falls for 24.2 days and aggregates up to 9.53" (242mm) of snow.

Daylight

In January, the average length of the day is 9h and 35min.
On the first day of January in Chester, sunrise is at 7:15 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:04 pm EST.

Sunshine

In Chester, the average sunshine in January is 5.1h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, the maximum UV index of 2 suggests these recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What is the coldest month in Chester?

January is the month when Chester, Connecticut, experiences its coldest temperatures, averaging a high of 35.2°F (1.8°C) and a low of 25.5°F (-3.6°C).

How cold is it in Chester in January?

In January, the average high-temperature and low-temperature in Chester, Connecticut, are 35.2°F (1.8°C) and 25.5°F (-3.6°C) respectively.

What is the average humidity in January in Chester?

In Chester, the average relative humidity in January is 74%.

How much does it rain in Chester in January?

In January, in Chester, Connecticut, the rain falls for 9 days. Throughout January, 2.52" (64mm) of precipitation is accumulated.

How many days does it snow in January in Chester?

In Chester, in January, snow falls for 6.3 days, with typically accumulated 2.17" (55mm) of snow.

What is the average length of the day in January in Chester?

In Chester, the average day length in January is 9h and 35min.

What time are sunrise and sunset in January in Chester?

In January, on the first day of the month, sunrise is at 7:15 am and sunset at 4:30 pm. On the last day of the month, in Chester, Connecticut, sunrise is at 7:02 am and sunset at 5:04 pm EST.

How many hours of sunshine does Chester have in January?

In January, the average sunshine duration in Chester, Connecticut, is 5.1h.

What is the month with the lowest UV index in Chester?

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

What is the UV index reading in January in Chester?

The average daily maximum UV index in January in Chester is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's 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
Chester, CT

Average temperature in January - Chester, CT
  • Average high temperature in January: 35.2°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in January: 25.5°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in January
Chester, CT

Average pressure in January - Chester, CT
  • Average pressure in January: 30.03"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Chester, CT

Average wind speed in January - Chester, CT
  • Average wind speed in January: 10.9mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in January
Chester, CT

Average humidity in January - Chester, CT
  • Average humidity in January: 74%

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in January
Chester, CT

Average rainfall in January - Chester, CT
  • Average rainfall in January: 2.52"

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in January
Chester, CT

Average rainfall days in January - Chester, CT
  • Average rainfall days in January: 9 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).

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Average snowfall in January
Chester, CT

Average snowfall in January - Chester, CT
  • Average snowfall in January: 2.17"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Chester, CT

Average snowfall days in January - Chester, CT
  • Average snowfall days in January: 6.3 days

The month with the highest number of snowfall days is February (7 days).
The 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
Chester, CT

Average daylight in January / Average sunshine in January - Chester, CT
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in January
Chester, CT

Average sunshine days in January - Chester, CT
  • Average sunshine days in January: 16 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).

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Average UV index in January
Chester, CT

Average UV index in January - Chester, CT
  • Average UV index in January: 2

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

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Average cloud cover in January
Chester, CT

Average cloud cover in January - Chester, CT
  • Average cloud cover in January: 45

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in January
Chester, CT

Average visibility in January - Chester, CT
  • 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).

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Chester, Connecticut, USA

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