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
Colchester experiences its lowest average temperatures in January, reaching a peak of 34.3°F (1.3°C) and a minimum of 22.8°F (-5.1°C).Humidity
In Colchester, the average relative humidity in January is 76%.Rainfall
In Colchester, during January, the rain falls for 5.1 days and regularly aggregates up to 0.59" (15mm) of precipitation. Throughout the year, there are 99.9 rainfall days, and 9.41" (239mm) of precipitation is accumulated.Snowfall
Months with snowfall in Colchester are January through May, November and December. In January, it is snowing for 4.9 days. Throughout January, 0.59" (15mm) of snow is accumulated. Throughout the year, there are 22.3 snowfall days, and 3.82" (97mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 34min.On the first day of the month, sunrise is at 7:15 am and sunset at 4:29 pm. On the last day of January, sunrise is at 7:02 am and sunset at 5:03 pm EST.
Sunshine
The average sunshine in January is 5h.UV index
The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during January leads to these advisories:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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 in Colchester?
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?
What time are sunrise and sunset in January?
How many hours of sunshine does Colchester have in January?
What is the UV index reading in January?
Average temperature in January
Colchester, CT
- Average high temperature in January: 34.3°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in January: 22.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in January
Colchester, CT
- Average pressure in January: 30.03"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
Colchester, CT
- Average wind speed in January: 8.6mph
The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in January
Colchester, CT
- Average humidity in January: 76%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Colchester, CT
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is December (1.02").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in January
Colchester, CT
- Average rainfall days in January: 5.1 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in January
Colchester, CT
- Average snowfall in January: 0.59"
The month with the highest snowfall is March (1.26").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Colchester, CT
- Average snowfall days in January: 4.9 days
The month with the highest number of snowfall days is February (6.4 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
Colchester, 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: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in January
Colchester, CT
- Average sunshine days in January: 21.8 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (17.1 days).
Average UV index in January
Colchester, CT
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Colchester, CT
- Average cloud cover in January: 46
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Colchester, CT
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, September, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July and August (5mi).
Colchester, Connecticut, USA
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