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, with average temperatures reaching a high of 35.2°F (1.8°C) and a low of 25.5°F (-3.6°C), is the coldest month.Humidity
The average relative humidity in January is 74%.Rainfall
In January, the rain falls for 9.6 days. Throughout January, 2.52" (64mm) of precipitation is accumulated. In Guilford, during the entire year, the rain falls for 167.7 days and collects up to 35.67" (906mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Guilford, in January, during 7.3 snowfall days, 2.09" (53mm) of snow is typically accumulated. Throughout the year, there are 26.4 snowfall days, and 10.12" (257mm) of snow is accumulated.Daylight
In Guilford, the average length of the day in January is 9h and 36min.On the first day of the month, sunrise is at 7:16 am and sunset at 4:31 pm. On the last day of January, sunrise is at 7:02 am and sunset at 5:05 pm EST.
Sunshine
In Guilford, the average sunshine in January is 5.1h.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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.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. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Guilford?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Guilford have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Guilford have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Guilford, 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: 25.5°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 (25.5°F).
Average pressure in January
Guilford, 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
Guilford, CT
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in January
Guilford, 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
Guilford, CT
- Average rainfall in January: 2.52"
The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in January
Guilford, CT
- Average rainfall days in January: 9.6 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (9.6 days).
Average snowfall in January
Guilford, CT
- Average snowfall in January: 2.09"
The month with the highest snowfall is March (3.11").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Guilford, CT
- Average snowfall days in January: 7.3 days
The month with the highest number of snowfall days is February (7.7 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
Guilford, 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
Guilford, CT
- Average sunshine days in January: 16 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in January
Guilford, 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
Guilford, 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
Guilford, 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).
Guilford, Connecticut, USA
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