Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January is the coldest month, with the temperature often reaching an average high of 33.4°F (0.8°C) and an average low of 21.6°F (-5.8°C).Humidity
The average relative humidity in January is 77%.Rainfall
In Andover, in January, during 9.1 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, there are 164.2 rainfall days, and 33.74" (857mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Andover, during January, snow falls for 8.3 days and regularly aggregates up to 2.91" (74mm) of snow. 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 is 9h and 34min.On the first day of the month, sunrise is at 7:16 am and sunset at 4:29 pm. On the last day of January, sunrise is at 7:02 am and sunset at 5:02 pm EST.
Sunshine
In January, the average sunshine is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Andover have in January?
When is the lowest UV index?
What is the UV index intensity in January?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Andover, Connecticut, USA
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