January weather forecast
Andover, CT

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Weather in January

January, the same as December, is another cold winter month in Andover, Connecticut, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 33.4°F (0.8°C).

Temperature

With an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C), January is the coldest month.

Humidity

In Andover, the average relative humidity in January is 77%.

Rainfall

In January, the rain falls for 9.1 days. Throughout January, 2.52" (64mm) of precipitation is accumulated. In Andover, during the entire year, the rain falls for 164.2 days and collects up to 33.74" (857mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In January, it is snowing for 8.3 days. Throughout January, 2.91" (74mm) of snow is accumulated. In Andover, during the entire year, snow falls for 31.6 days and aggregates up to 15.98" (406mm) of snow.

Daylight

The average length of the day in January in Andover is 9h and 34min.
On the first day of January in Andover, sunrise is at 7:16 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:02 pm EST.

Sunshine

In Andover, Connecticut, the average sunshine in January is 5h.

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 ordinary individuals.
Note: A maximum UV index of 2 in January translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

What month is the coldest in Andover?

January, having an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C), is the coldest month in Andover, Connecticut.

How cold is January in Andover?

January temperatures in Andover vary between a high-temperature of 33.4°F (0.8°C) and a low-temperature of 21.6°F (-5.8°C).

What is the average humidity in January in Andover?

The average relative humidity in January in Andover is 77%.

How much does it rain in Andover in January?

In Andover, during January, the rain falls for 9.1 days and regularly aggregates up to 2.52" (64mm) of precipitation.

How much does it snow in Andover in January?

In Andover, in January, during 8.3 snowfall days, 2.91" (74mm) of snow is typically accumulated.

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

In January, the average day length in Andover, Connecticut, is 9h and 34min.

What time are sunrise and sunset in January in Andover?

On the first day of January in Andover, Connecticut, sunrise is at 7:16 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:02 pm EST.

How long on average sun shines in January in Andover?

In Andover, Connecticut, the average sunshine duration in January is 5h.

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

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

What is the UV index intensity in January in Andover?

In Andover, Connecticut, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
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
Andover, CT

Average temperature in January - Andover, CT
  • Average high temperature in January: 33.4°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in January: 21.6°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in January
Andover, CT

Average pressure in January - Andover, CT
  • Average pressure in January: 30.02"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
Andover, CT

Average wind speed in January - Andover, CT
  • Average wind speed in January: 8.8mph

The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in January
Andover, CT

Average humidity in January - Andover, CT
  • Average humidity in January: 77%

The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in January
Andover, CT

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

The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in January
Andover, CT

Average rainfall days in January - Andover, CT
  • Average rainfall days in January: 9.1 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in January
Andover, CT

Average snowfall in January - Andover, CT
  • Average snowfall in January: 2.91"

The month with the highest snowfall is March (4.41").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Andover, CT

Average snowfall days in January - Andover, CT
  • Average snowfall days in January: 8.3 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Andover, CT

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

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 12min).

  • Average sunshine in January: 5h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

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Average sunshine days in January
Andover, CT

Average sunshine days in January - Andover, CT
  • Average sunshine days in January: 16.2 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.8 days).

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Average UV index in January
Andover, CT

Average UV index in January - Andover, 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
Andover, CT

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

The months with the most cloud cover are February, March, May and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in January
Andover, CT

Average visibility in January - Andover, CT
  • Average visibility in January: 6mi

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

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Andover, Connecticut, USA

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