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 its high-temperature average of 31.6°F (-0.2°C) and a low-temperature average of 19.2°F (-7.1°C), is the coldest month.Humidity
In January, the average relative humidity is 79%.Rainfall
January is the month with the least rainfall in Warsaw. Rain falls for 5.8 days and accumulates 1.34" (34mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall in Warsaw is January, when snow falls for 9.8 days and typically aggregates up to 3.94" (100mm) of snow.Daylight
In January, the average length of the day in Warsaw is 9h and 41min.On the first day of the month, sunrise is at 7:28 am and sunset at 4:49 pm. On the last day of January, in Warsaw, sunrise is at 7:15 am and sunset at 5:22 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.3h 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 hazard from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 2 in January translates into the following instructions:
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. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What time of the year is the coldest in Warsaw?
How cold is January in Warsaw?
What is the average humidity in January in Warsaw?
What is the driest month in Warsaw?
How much does it rain in Warsaw in January?
What is the snowiest month in Warsaw?
How much does it snow in Warsaw in January?
What is the average length of the day in January in Warsaw?
What time are sunrise and sunset in January in Warsaw?
What is the month with the least sunshine in Warsaw?
How long on average sun shines in January in Warsaw?
What is the month with the lowest UV index in Warsaw?
How high is the UV index in January in Warsaw?
Average temperature in January
Warsaw, IL
- Average high temperature in January: 31.6°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in January: 19.2°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in January
Warsaw, 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 (29.9"Hg).
Average wind speed in January
Warsaw, IL
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in January
Warsaw, IL
- Average humidity in January: 79%
The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Warsaw, IL
- Average rainfall in January: 1.34"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in January
Warsaw, IL
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in January
Warsaw, IL
- Average snowfall in January: 3.94"
The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Warsaw, 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
Warsaw, 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 24min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in January
Warsaw, IL
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in January
Warsaw, 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
Warsaw, IL
- Average cloud cover in January: 53
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in January
Warsaw, 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).
Warsaw, Illinois, USA
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