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
Fairfield's January weather, with an average high temperature of 36.1°F (2.3°C) and an average low temperature of 26.6°F (-3°C), tends to be the coldest of the year.Humidity
In January, the average relative humidity in Fairfield is 74%.Rainfall
January is the month with the least rainfall in Fairfield. Rain falls for 9.4 days and accumulates 2.48" (63mm) of precipitation.Snowfall
Months with snowfall in Fairfield are January through April, November and December. In Fairfield, in January, during 7.1 snowfall days, 2.13" (54mm) of snow is typically accumulated. In Fairfield, during the entire year, snow falls for 24.9 days and aggregates up to 9.41" (239mm) of snow.Daylight
In January, the average length of the day is 9h and 37min.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, in Fairfield, sunrise is at 7:04 am and sunset at 5:07 pm EST.
Sunshine
In Fairfield, the average sunshine in January is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Fairfield. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. 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
What part of the year is the coldest in Fairfield?
How cold is it in Fairfield in January?
What is the average humidity in January in Fairfield?
What is the driest month in Fairfield?
How much does it rain in Fairfield in January?
How many days does it snow in January in Fairfield?
How many hours of daylight does Fairfield have in January?
What time are sunrise and sunset in January in Fairfield?
How long on average sun shines in January in Fairfield?
When is the lowest UV index in Fairfield?
What is the UV index reading in January in Fairfield?
Average temperature in January
Fairfield, CT
- Average high temperature in January: 36.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in January: 26.6°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in January
Fairfield, 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
Fairfield, CT
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in January
Fairfield, CT
- Average humidity in January: 74%
The months with the highest relative humidity are May and June (76%).
The months with the lowest relative humidity are April and November (72%).
Average rainfall in January
Fairfield, CT
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is January (2.48").
Average rainfall days in January
Fairfield, CT
- Average rainfall days in January: 9.4 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in January
Fairfield, CT
- Average snowfall in January: 2.13"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Fairfield, CT
- Average snowfall days in January: 7.1 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Fairfield, 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 month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in January
Fairfield, CT
- Average sunshine days in January: 16.6 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in January
Fairfield, 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
Fairfield, CT
- Average cloud cover in January: 44
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Fairfield, 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).
Fairfield, Connecticut, USA
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