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
Downs's January weather reaches an average high of 31.3°F (-0.4°C) and an average low of 19.6°F (-6.9°C), making it the coldest month.Humidity
In January, the average relative humidity in Downs is 81%.Rainfall
In Downs, Illinois, in January, during 5.8 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Downs, Illinois, during the entire year, the rain falls for 139 days and collects up to 20.83" (529mm) of precipitation.Snowfall
Months with snowfall in Downs are January through April, November and December. January is the month with the most snowfall in Downs. Snow falls for 9.8 days and accumulates 2.8" (71mm) of snow.Daylight
The average length of the day in January is 9h and 41min.On the first day of January, sunrise is at 7:18 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:11 pm CST.
Sunshine
The month with the least sunshine in Downs is January, with an average of 3.9h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Downs. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during January leads to these advisories:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What are the coldest months in Downs?
How cold is January in Downs?
What is the average humidity in January in Downs?
How many days does it rain in January in Downs?
When does it snow the most in Downs?
How much does it snow in Downs in January?
What is the average length of the day in January in Downs?
When is the sunrise / sunset in January in Downs?
What is the month with the least sunshine in Downs?
How long on average sun shines in January in Downs?
What is the month with the lowest UV index in Downs?
How high is the UV index in January in Downs?
Average temperature in January
Downs, IL
- Average high temperature in January: 31.3°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in January: 19.6°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 (19.6°F).
Average pressure in January
Downs, 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 (29.92"Hg).
Average wind speed in January
Downs, IL
- Average wind speed in January: 11mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Downs, IL
- Average humidity in January: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Downs, IL
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in January
Downs, IL
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in January
Downs, IL
- Average snowfall in January: 2.8"
The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Downs, IL
- Average snowfall days in January: 9.8 days
The month with the highest number of snowfall days is January (9.8 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
Downs, IL
- Average daylight in January: 9h and 4min
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: 3h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Downs, IL
- Average sunshine days in January: 16.6 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in January
Downs, IL
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Downs, IL
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in January
Downs, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Downs, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
