January weather forecastLondon Mills, IL
January
Weather in January
January, the same as December, in London Mills, Illinois, is another subzero cold winter month, with an average temperature fluctuating between 17.8°F (-7.9°C) and 29.8°F (-1.2°C).Temperature
In London Mills, the lowest temperatures are generally noted in January, averaging a high of 29.8°F (-1.2°C) and a low of 17.8°F (-7.9°C).Humidity
In London Mills, the average relative humidity in January is 82%.Rainfall
The months with the least rainfall in London Mills are January and December Rain falls for 4.7 days and accumulates 0.59" (15mm) of rain.Snowfall
Months with snowfall in London Mills are January through April, October through December. January is the month with the most snowfall. Snow falls for 10.3 days and accumulates 1.26" (32mm) of snow.Daylight
In London Mills, the average length of the day in January is 9h and 39min.On the first day of January in London Mills, Illinois, sunrise is at 7:24 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:16 pm CST.
Sunshine
The month with the least sunshine in London Mills, Illinois, 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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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
London Mills, IL
- Average high temperature in January: 29.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in January: 17.8°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in January
London Mills, 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
London Mills, IL
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in January
London Mills, IL
- Average humidity in January: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
London Mills, IL
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and December (0.59").
Average rainfall days in January
London Mills, IL
- Average rainfall days in January: 4.7 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in January
London Mills, IL
- Average snowfall in January: 1.26"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
London Mills, IL
- Average snowfall days in January: 10.3 days
The month with the highest number of snowfall days is January (10.3 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
London Mills, 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 months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
London Mills, IL
- Average sunshine days in January: 17.3 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in January
London Mills, 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
London Mills, IL
- Average cloud cover in January: 57
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in January
London Mills, 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).
