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
Charleston's January weather, marked by an average high temperature of 23.9°F (-4.5°C) and an average low temperature of 10.8°F (-11.8°C), is the coldest in the year.Humidity
In Charleston, Maine, the average relative humidity in January is 86%.Rainfall
In Charleston, Maine, in January, during 8.3 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, there are 154.3 rainfall days, and 32.68" (830mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 14.4 days. Throughout January, 10.04" (255mm) of snow is accumulated. Throughout the year, there are 69.5 snowfall days, and 49.96" (1269mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 14min.On the first day of the month, sunrise is at 7:14 am and sunset at 4:04 pm. On the last day of January, sunrise is at 6:57 am and sunset at 4:41 pm EST.
Sunshine
In January, the average sunshine is 4.3h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 2 in January transforms into this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the coldest time of year in Charleston?
How cold is January in Charleston?
What is the average humidity in January in Charleston?
How many days does it rain in January in Charleston?
How many days does it snow in January in Charleston?
How many hours of daylight does Charleston have in January?
When are sunrise and sunset in January in Charleston?
How many hours of sunshine does Charleston have in January?
What are the months with the lowest UV index in Charleston?
How high is the UV index in January in Charleston?
Average temperature in January
Charleston, ME
- Average high temperature in January: 23.9°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in January: 10.8°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in January
Charleston, ME
- Average pressure in January: 29.96"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Charleston, ME
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Charleston, ME
- Average humidity in January: 86%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (76%).
Average rainfall in January
Charleston, ME
- Average rainfall in January: 2.56"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is July (1.89").
Average rainfall days in January
Charleston, ME
- Average rainfall days in January: 8.3 days
The months with the highest number of rainy days are May and July (16.7 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in January
Charleston, ME
- Average snowfall in January: 10.04"
The month with the highest snowfall is February (11.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Charleston, ME
- Average snowfall days in January: 14.4 days
The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Charleston, ME
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in January
Charleston, ME
- Average sunshine days in January: 14.2 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in January
Charleston, ME
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Charleston, ME
- Average cloud cover in January: 54
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 40).
Average visibility in January
Charleston, ME
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
Charleston, Maine, USA
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