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 month that records the lowest temperatures, with averages ranging from a high of 35.2°F (1.8°C) to a low of 25.3°F (-3.7°C).Humidity
In January, the average relative humidity is 74%.Rainfall
The months with the least rainfall are January and September Rain falls for 6.2 days and accumulates 0.51" (13mm) of rain.Snowfall
Months with snowfall are January through March and December. In East Haven, in January, snow falls for 5.1 days, with typically accumulated 0.31" (8mm) of snow. In East Haven, during the entire year, snow falls for 16.3 days and aggregates up to 1.54" (39mm) of snow.Daylight
The average length of the day in January is 9h and 36min.On the first day of January, sunrise is at 7:17 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:05 pm EST.
Sunshine
In East Haven, the average sunshine in January is 5.2h.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 of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is January?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
East Haven, CT
- Average high temperature in January: 35.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in January: 25.3°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in January
East Haven, 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
East Haven, CT
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in January
East Haven, CT
- Average humidity in January: 74%
The month with the highest relative humidity is June (77%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
East Haven, CT
- Average rainfall in January: 0.51"
The wettest month (with the highest rainfall) is July (1.14").
The driest months (with the least rainfall) are January and September (0.51").
Average rainfall days in January
East Haven, CT
- Average rainfall days in January: 6.2 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in January
East Haven, CT
- Average snowfall in January: 0.31"
The month with the highest snowfall is March (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
East Haven, CT
- Average snowfall days in January: 5.1 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
East Haven, 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 18min).
- Average sunshine in January: 5h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
East Haven, CT
- Average sunshine days in January: 20.7 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is August (16.3 days).
Average UV index in January
East Haven, 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
East Haven, 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
East Haven, 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).
East Haven, Connecticut, USA
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