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
January, with average temperatures reaching a high of 33.6°F (0.9°C) and a low of 21.6°F (-5.8°C), is the coldest month.Humidity
The average relative humidity in January is 79%.Rainfall
In January, the rain falls for 7.3 days. Throughout January, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 139.6 rainfall days, and 24.25" (616mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Blue Mound, Illinois, in January, during 7.6 snowfall days, 2.24" (57mm) of snow is typically accumulated. In Blue Mound, during the entire year, snow falls for 23.6 days and aggregates up to 8.54" (217mm) of snow.Daylight
In January, the average length of the day is 9h and 44min.On the first day of January, sunrise is at 7:17 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:14 pm CST.
Sunshine
With an average of 4.1h of sunshine, January has the least sunshine of the year.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 low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 2 in January suggests the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Blue Mound?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Blue Mound have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Blue Mound have in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Blue Mound, IL
- Average high temperature in January: 33.6°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 (33.6°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Blue Mound, IL
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Blue Mound, IL
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in January
Blue Mound, IL
- Average humidity in January: 79%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Blue Mound, IL
- Average rainfall in January: 1.5"
The wettest months (with the highest rainfall) are April and May (2.91").
The driest months (with the least rainfall) are February and December (1.38").
Average rainfall days in January
Blue Mound, IL
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in January
Blue Mound, IL
- Average snowfall in January: 2.24"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Blue Mound, 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, September and October (0 days).
Average daylight in January /
Average sunshine in January
Blue Mound, IL
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Blue Mound, IL
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in January
Blue Mound, 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
Blue Mound, 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 June and September (Cloud cover 30).
Average visibility in January
Blue Mound, 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).
Blue Mound, Illinois, USA
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