January weather forecastUnion, CT
January
Weather in January
January, the same as December, in Union, Connecticut, is another subzero cold winter month, with an average temperature varying between 31.3°F (-0.4°C) and 19°F (-7.2°C).Temperature
Union records the coldest temperatures in January, averaging a high of 31.3°F (-0.4°C) and a low of 19°F (-7.2°C).Humidity
In January, the average relative humidity is 79%.Rainfall
In January, in Union, the rain falls for 7.1 days. Throughout January, 2.13" (54mm) of precipitation is accumulated. Throughout the year, in Union, there are 148.3 rainfall days, and 29.21" (742mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Union, during January, snow falls for 8.5 days and regularly aggregates up to 3.19" (81mm) of snow. Throughout the year, there are 35.3 snowfall days, and 19.53" (496mm) of snow is accumulated.Daylight
The average length of the day in January in Union is 9h and 32min.On the first day of the month, sunrise is at 7:16 am and sunset at 4:27 pm. On the last day of January, sunrise is at 7:02 am and sunset at 5:01 pm EST.
Sunshine
In Union, Connecticut, the average sunshine in January is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Union. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 2 in January leads to these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. 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. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Union, CT
- Average high temperature in January: 31.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in January: 19°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in January
Union, 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
Union, CT
- Average wind speed in January: 8.8mph
The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Union, CT
- Average humidity in January: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Union, CT
- Average rainfall in January: 2.13"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in January
Union, CT
- Average rainfall days in January: 7.1 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in January
Union, CT
- Average snowfall in January: 3.19"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Union, CT
- Average snowfall days in January: 8.5 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Union, CT
- Average daylight in January: 9h and 30min
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: 4h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Union, CT
- Average sunshine days in January: 16.9 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in January
Union, CT
- Average UV index in January: 2
The months with the highest UV index are June and July (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
Union, CT
- Average cloud cover in January: 48
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in January
Union, CT
- Average visibility in January: 5mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
