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, on average, is the coldest month, registering a high temperature of 33.1°F (0.6°C) and a low of 21.4°F (-5.9°C).Humidity
The average relative humidity in January is 77%.Rainfall
In January, the rain falls for 9.5 days. Throughout January, 2.4" (61mm) of precipitation is accumulated. In Southbury, during the entire year, the rain falls for 171.2 days and collects up to 36.3" (922mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Southbury, in January, snow falls for 8.8 days, with typically accumulated 3.62" (92mm) of snow. In Southbury, during the entire year, snow falls for 34.8 days and aggregates up to 17.48" (444mm) of snow.Daylight
In January, the average length of the day is 9h and 35min.On the first day of January in Southbury, sunrise is at 7:19 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:06 pm EST.
Sunshine
In Southbury, 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. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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 many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January in Southbury?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Southbury, CT
- Average high temperature in January: 33.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in January: 21.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in January
Southbury, 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
Southbury, CT
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Southbury, CT
- Average humidity in January: 77%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Southbury, CT
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is December (3.9").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in January
Southbury, CT
- Average rainfall days in January: 9.5 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in January
Southbury, CT
- Average snowfall in January: 3.62"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Southbury, CT
- Average snowfall days in January: 8.8 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Southbury, 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: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Southbury, CT
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is November (17 days).
The months with the least sunshine days are May and June (10.3 days).
Average UV index in January
Southbury, 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
Southbury, CT
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in January
Southbury, CT
- Average visibility in January: 5mi
The months with the highest visibility are April, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August and September (5mi).
Southbury, Connecticut, USA
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