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
The coldest time of the year is January, with temperatures averaging a high of 41.2°F (5.1°C) and a low of 28.4°F (-2°C).Humidity
In Mounds, Illinois, the average relative humidity in January is 76%.Rainfall
In January, in Mounds, the rain falls for 9.8 days. Throughout January, 2.36" (60mm) of precipitation is accumulated. In Mounds, during the entire year, the rain falls for 156.3 days and collects up to 36.65" (931mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Mounds. In Mounds, in January, during 3.4 snowfall days, 1.14" (29mm) of snow is typically accumulated. In Mounds, Illinois, during the entire year, snow falls for 11.5 days and aggregates up to 4.88" (124mm) of snow.Daylight
In January, the average length of the day is 9h and 58min.On the first day of January in Mounds, sunrise is at 7:10 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:20 pm CST.
Sunshine
In Mounds, the average sunshine in January is 4.8h.UV index
January, February 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 minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 2 in January translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals 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. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Mounds?
Is January cold in Mounds?
What is the average humidity in January in Mounds?
How many days does it rain in January in Mounds?
How much does it snow in Mounds in January?
What is the average length of the day in January in Mounds?
What time are sunrise and sunset in January in Mounds?
How many hours of sunshine does Mounds have in January?
When is the lowest UV index in Mounds?
How high is the UV index in January in Mounds?
Average temperature in January
Mounds, IL
- Average high temperature in January: 41.2°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in January: 28.4°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in January
Mounds, 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 (29.94"Hg).
Average wind speed in January
Mounds, IL
- Average wind speed in January: 9.1mph
The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in January
Mounds, IL
- Average humidity in January: 76%
The months with the highest relative humidity are February, March, May and December (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in January
Mounds, IL
- Average rainfall in January: 2.36"
The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in January
Mounds, IL
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in January
Mounds, IL
- Average snowfall in January: 1.14"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Mounds, IL
- Average snowfall days in January: 3.4 days
The month with the highest number of snowfall days is February (3.8 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
Mounds, IL
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Mounds, IL
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in January
Mounds, 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 and December (UV index 2).
Average cloud cover in January
Mounds, IL
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in January
Mounds, 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).
Mounds, Illinois, USA
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