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, noted for its average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 18.9°F (-7.3°C), is considered the coldest month.Humidity
In January, the average relative humidity is 80%.Rainfall
In January, in Jefferson, the rain falls for 7.5 days. Throughout January, 2.44" (62mm) of precipitation is accumulated. In Jefferson, Maine, during the entire year, the rain falls for 144.1 days and collects up to 29.29" (744mm) of precipitation.Snowfall
Months with snowfall in Jefferson are January through April, October through December. The month with the most snowfall is January, when snow falls for 9.3 days and typically aggregates up to 4.37" (111mm) of snow.Daylight
In Jefferson, the average length of the day in January is 9h and 19min.On the first day of January, sunrise is at 7:13 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:45 pm EST.
Sunshine
In January, the average sunshine is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Jefferson, Maine. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 2 in January suggests the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What is the coldest month in Jefferson?
How cold is January in Jefferson?
What is the average humidity in January in Jefferson?
How much does it rain in Jefferson in January?
When does it snow the most in Jefferson?
How much does it snow in Jefferson in January?
What is the average length of the day in January in Jefferson?
When are sunrise and sunset in January in Jefferson?
How many hours of sunshine does Jefferson have in January?
What are the months with the lowest UV index in Jefferson?
How high is the UV index in January in Jefferson?
Average temperature in January
Jefferson, ME
- Average high temperature in January: 29.8°F
The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Jefferson, 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 (29.91"Hg).
Average wind speed in January
Jefferson, ME
- Average wind speed in January: 11.6mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in January
Jefferson, ME
- Average humidity in January: 80%
The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in January
Jefferson, ME
- Average rainfall in January: 2.44"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in January
Jefferson, ME
- Average rainfall days in January: 7.5 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in January
Jefferson, ME
- Average snowfall in January: 4.37"
The month with the highest snowfall is January (4.37").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Jefferson, ME
- Average snowfall days in January: 9.3 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jefferson, ME
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in January
Jefferson, ME
- Average sunshine days in January: 15.9 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in January
Jefferson, 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, November and December (UV index 2).
Average cloud cover in January
Jefferson, ME
- Average cloud cover in January: 47
The months with the most cloud cover are February, March, April and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Jefferson, ME
- 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).
Jefferson, Maine, USA
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