January weather forecastSummerfield, IL
January
Weather in January
January, like December, in Summerfield, Illinois, is another cold winter month, with an average temperature varying between 37.8°F (3.2°C) and 24.8°F (-4°C).Temperature
In Summerfield, the lowest average temperatures are observed in January, with a high of 37.8°F (3.2°C) and a low of 24.8°F (-4°C).Humidity
In January, the average relative humidity is 76%.Rainfall
In Summerfield, in January, during 8 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, in Summerfield, there are 151.1 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Summerfield, during January, snow falls for 7.5 days and regularly aggregates up to 1.3" (33mm) of snow. Throughout the year, there are 22.4 snowfall days, and 6.1" (155mm) of snow is accumulated.Daylight
In January, the average length of the day in Summerfield is 9h and 50min.On the first day of January, sunrise is at 7:16 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:19 pm CST.
Sunshine
The months with the least sunshine are January and February, with an average of 4.6h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 2 in January leads to these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Summerfield, IL
- Average high temperature in January: 37.8°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in January: 24.8°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in January
Summerfield, 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 (29.93"Hg).
Average wind speed in January
Summerfield, IL
- Average wind speed in January: 9.6mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in January
Summerfield, IL
- Average humidity in January: 76%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Summerfield, IL
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in January
Summerfield, IL
- Average rainfall days in January: 8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8 days).
Average snowfall in January
Summerfield, IL
- Average snowfall in January: 1.3"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Summerfield, IL
- Average snowfall days in January: 7.5 days
The month with the highest number of snowfall days is January (7.5 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
Summerfield, IL
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in January
Summerfield, IL
- Average sunshine days in January: 16.4 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11 days).
Average UV index in January
Summerfield, 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, November and December (UV index 2).
Average cloud cover in January
Summerfield, IL
- Average cloud cover in January: 51
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in January
Summerfield, 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).
