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 average high-temperature of 30.7°F (-0.7°C) and an average low-temperature of 18.9°F (-7.3°C), holds the record as the coldest month.Humidity
In January, the average relative humidity is 81%.Rainfall
The month with the least rainfall in Peoria is January, when the rain falls for 5.2 days and typically collects 0.75" (19mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 9 days and accumulates 2.36" (60mm) of snow.Daylight
In January, the average length of the day is 9h and 39min.On the first day of the month, sunrise is at 7:22 am and sunset at 4:41 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:14 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4h of sunshine.UV index
The months with the lowest UV index in Peoria are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 during January translates into the following guidance:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
What is the snowiest month?
How much does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January in Peoria?
What is the month with the least sunshine in Peoria?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Peoria, IL
- Average high temperature in January: 30.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Peoria, 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 (29.91"Hg).
Average wind speed in January
Peoria, IL
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Peoria, IL
- Average humidity in January: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Peoria, IL
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in January
Peoria, IL
- Average rainfall days in January: 5.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in January
Peoria, IL
- Average snowfall in January: 2.36"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Peoria, IL
- Average snowfall days in January: 9 days
The month with the highest number of snowfall days is January (9 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
Peoria, 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: 4h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in January
Peoria, IL
- Average sunshine days in January: 18.5 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in January
Peoria, 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
Peoria, IL
- Average cloud cover in January: 57
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in January
Peoria, 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).
Peoria, Illinois, USA
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