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
Somerset's coldest weather arrives in January, when temperatures average a high of 39.7°F (4.3°C) and a low of 26.2°F (-3.2°C).Humidity
In Somerset, Illinois, the average relative humidity in January is 77%.Rainfall
In Somerset, in January, during 9.8 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Somerset, during the entire year, the rain falls for 158.6 days and collects up to 36.02" (915mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 5.3 days and accumulates 1.73" (44mm) of snow.Daylight
The average length of the day in January in Somerset is 9h and 55min.On the first day of the month, sunrise is at 7:08 am and sunset at 4:45 pm. On the last day of January, sunrise is at 6:58 am and sunset at 5:15 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.6h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 during January leads to these advisories:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is it in January?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How much does it snow in January?
How many hours of daylight does Somerset have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Somerset have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Somerset, IL
- Average high temperature in January: 39.7°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in January: 26.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in January
Somerset, IL
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Somerset, IL
- Average wind speed in January: 9.4mph
The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in January
Somerset, IL
- Average humidity in January: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Somerset, IL
- Average rainfall in January: 2.68"
The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in January
Somerset, IL
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in January
Somerset, IL
- Average snowfall in January: 1.73"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Somerset, IL
- Average snowfall days in January: 5.3 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Somerset, IL
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in January
Somerset, IL
- Average sunshine days in January: 16.2 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in January
Somerset, IL
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Somerset, IL
- Average cloud cover in January: 51
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in January
Somerset, 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).
Somerset, Illinois, USA
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