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
The month of January sees the lowest average temperatures, reaching 29.8°F (-1.2°C) at the peak and 18.9°F (-7.3°C) at the low.Humidity
The average relative humidity in January is 80%.Rainfall
In January, the rain falls for 7.5 days. Throughout January, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 144.1 rainfall days, and 29.29" (744mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. 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. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. To guard against the harmful effects of the Sun, minimize exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is it in January?
What is the average humidity in January?
How much does it rain in January?
What is the snowiest month?
How much does it snow in January?
How many hours of daylight does Jefferson have in January?
When are sunrise and sunset in January?
How long on average sun shines in January in Jefferson?
When is the lowest UV index?
What is the UV index intensity in January?
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
Weather forecast for your location
2. Allow the app to use your location