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 brings the lowest temperatures, with an average high of 26.6°F (-3°C) and an average low of 14.2°F (-9.9°C).Humidity
With an average relative humidity of 86%, January is the most humid month.Rainfall
The month with the least rainfall is January, when the rain falls for 5.1 days and typically collects 1.54" (39mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 11.1 days and typically aggregates up to 5.43" (138mm) of snow.Daylight
The average length of the day in January is 9h and 32min.On the first day of January, sunrise is at 7:26 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:11 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.6h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In January, a daily UV index of 1 turns into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in Polo in January?
When does it snow the most?
How many days does it snow in January?
How many hours of daylight does Polo have in January?
What time are sunrise and sunset in January in Polo?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Polo, IL
- Average high temperature in January: 26.6°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in January: 14.2°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in January
Polo, IL
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Polo, IL
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Polo, IL
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Polo, IL
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in January
Polo, IL
- Average rainfall days in January: 5.1 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in January
Polo, IL
- Average snowfall in January: 5.43"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Polo, IL
- Average snowfall days in January: 11.1 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Polo, IL
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Polo, IL
- Average sunshine days in January: 15.4 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (8.5 days).
Average UV index in January
Polo, IL
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Polo, IL
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in January
Polo, IL
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Polo, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location