January weather forecastAdair, IL
January
Weather in January
January, the same as December, in Adair, Illinois, is another subzero cold winter month, with temperature in the range of an average high of 30.9°F (-0.6°C) and an average low of 19°F (-7.2°C).Temperature
Adair's coldest month, January, generally records average temperatures ranging from a high of 30.9°F (-0.6°C) to a low of 19°F (-7.2°C).Humidity
In Adair, the average relative humidity in January is 81%.Rainfall
January is the month with the least rainfall. Rain falls for 4.2 days and accumulates 0.67" (17mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. January is the month with the most snowfall in Adair. Snow falls for 7.6 days and accumulates 1.89" (48mm) of snow.Daylight
In Adair, the average length of the day in January is 9h and 41min.On the first day of January, sunrise is at 7:24 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:18 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.1h of sunshine.UV index
January, February, 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 low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 2 during January translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Adair, IL
- Average high temperature in January: 30.9°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in January: 19°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in January
Adair, IL
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Adair, IL
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in January
Adair, IL
- Average humidity in January: 81%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Adair, IL
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in January
Adair, IL
- Average rainfall days in January: 4.2 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in January
Adair, IL
- Average snowfall in January: 1.89"
The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Adair, IL
- Average snowfall days in January: 7.6 days
The month with the highest number of snowfall days is January (7.6 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
Adair, IL
- Average daylight in January: 9h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Adair, IL
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in January
Adair, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Adair, IL
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in January
Adair, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
