January weather forecastTrumbull, CT
January
Weather in January
January, like December, in Trumbull, Connecticut, is an icy winter month, with an average temperature fluctuating between 35.2°F (1.8°C) and 26.1°F (-3.3°C).Temperature
January stands out as Trumbull's coldest month, with an average high-temperature of 35.2°F (1.8°C) and a low-temperature of 26.1°F (-3.3°C).Humidity
In January, the average relative humidity is 74%.Rainfall
In Trumbull, in January, during 9.4 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 170.6 rainfall days, and 37.09" (942mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In January, it is snowing for 6.9 days. Throughout January, 2.13" (54mm) of snow is accumulated. In Trumbull, during the entire year, snow falls for 24.4 days and aggregates up to 9.41" (239mm) of snow.Daylight
In January, the average length of the day is 9h and 36min.On the first day of the month, sunrise is at 7:18 am and sunset at 4:34 pm. On the last day of January, sunrise is at 7:04 am and sunset at 5:07 pm EST.
Sunshine
In Trumbull, Connecticut, the average sunshine in January is 5.2h.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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 2 in January suggests the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. It's recommended to limit sun exposure when its radiation is at its peak during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Trumbull, CT
- Average high temperature in January: 35.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in January: 26.1°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in January
Trumbull, CT
- Average pressure in January: 30.04"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Trumbull, CT
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in January
Trumbull, CT
- Average humidity in January: 74%
The months with the highest relative humidity are February, May and June (76%).
The months with the lowest relative humidity are April and November (72%).
Average rainfall in January
Trumbull, CT
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is December (4.13").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in January
Trumbull, CT
- Average rainfall days in January: 9.4 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in January
Trumbull, CT
- Average snowfall in January: 2.13"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Trumbull, CT
- Average snowfall days in January: 6.9 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Trumbull, CT
- Average daylight in January: 9h and 36min
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 18min).
- Average sunshine in January: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Trumbull, CT
- Average sunshine days in January: 17 days
The month with the most sunshine days is January (17 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in January
Trumbull, 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
Trumbull, CT
- Average cloud cover in January: 44
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).
Average visibility in January
Trumbull, 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).
