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
During the coldest month, January, temperatures average a high of 28.8°F (-1.8°C) and a low of 18°F (-7.8°C).Humidity
January and February, with an average relative humidity of 82%, are the most humid months.Rainfall
In Berkeley, Illinois, in January, during 6.3 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 149.4 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Berkeley. In Berkeley, in January, during 12.4 snowfall days, 3.62" (92mm) of snow is typically accumulated. Throughout the year, in Berkeley, Illinois, there are 45.8 snowfall days, and 14.25" (362mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 33min.On the first day of January in Berkeley, Illinois, sunrise is at 7:19 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:04 pm CST.
Sunshine
With an average of 3.7h of sunshine, January has the least sunshine of the year in Berkeley.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 1 in January translates into these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Caution! The reflection of snow can nearly double the intensity of 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 Berkeley?
How cold is January in Berkeley?
What are the most humid months in Berkeley?
What is the average humidity in January in Berkeley?
How much does it rain in Berkeley in January?
How much does it snow in Berkeley in January?
How many hours of daylight does Berkeley have in January?
What time are sunrise and sunset in January in Berkeley?
What is the month with the least sunshine in Berkeley?
How many hours of sunshine does Berkeley have in January?
What is the month with the lowest UV index in Berkeley?
What is the UV index reading in January in Berkeley?
Average temperature in January
Berkeley, IL
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
Berkeley, IL
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Berkeley, IL
- Average wind speed in January: 10.2mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in January
Berkeley, IL
- Average humidity in January: 82%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Berkeley, IL
- Average rainfall in January: 1.34"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in January
Berkeley, IL
- Average rainfall days in January: 6.3 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in January
Berkeley, IL
- Average snowfall in January: 3.62"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Berkeley, IL
- Average snowfall days in January: 12.4 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Berkeley, IL
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Berkeley, IL
- Average sunshine days in January: 14.2 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in January
Berkeley, IL
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Berkeley, IL
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Berkeley, IL
- 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).
Berkeley, Illinois, USA
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