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
Coal Valley's coldest month, January, registers temperatures that range from a high of 28.2°F (-2.1°C) to a low of 16°F (-8.9°C).Humidity
The months with the highest humidity are January and July, with an average relative humidity of 83%.Rainfall
In Coal Valley, in January, during 1.8 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Coal Valley, during the entire year, the rain falls for 75.2 days and collects up to 5.79" (147mm) of precipitation.Snowfall
Months with snowfall in Coal Valley are January through April, October through December. The month with the most snowfall is January, when snow falls for 5.5 days and typically aggregates up to 1.06" (27mm) of snow.Daylight
In January, the average length of the day is 9h and 35min.On the first day of the month, sunrise is at 7:27 am and sunset at 4:42 pm. On the last day of January, in Coal Valley, sunrise is at 7:14 am and sunset at 5:16 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.9h of sunshine.UV index
January is the month with the lowest UV index in Coal Valley, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 1 during January leads to these instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Coal Valley?
How cold is it in Coal Valley in January?
What is the most humid month in Coal Valley?
What is the average humidity in January in Coal Valley?
How much does it rain in Coal Valley in January?
When does it snow the most in Coal Valley?
How many days does it snow in January in Coal Valley?
How many hours of daylight does Coal Valley have in January?
What time are sunrise and sunset in January in Coal Valley?
What is the month with the least sunshine in Coal Valley?
How long on average sun shines in January in Coal Valley?
What is the month with the lowest UV index in Coal Valley?
What is the UV index intensity in January in Coal Valley?
Average temperature in January
Coal Valley, IL
- Average high temperature in January: 28.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in January: 16°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in January
Coal Valley, IL
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Coal Valley, IL
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in January
Coal Valley, IL
- Average humidity in January: 83%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Coal Valley, IL
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is May (0.94").
The driest month (with the least rainfall) is December (0.24").
Average rainfall days in January
Coal Valley, IL
- Average rainfall days in January: 1.8 days
The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in January
Coal Valley, IL
- Average snowfall in January: 1.06"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Coal Valley, IL
- Average snowfall days in January: 5.5 days
The month with the highest number of snowfall days is January (5.5 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
Coal Valley, IL
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Coal Valley, IL
- Average sunshine days in January: 25.1 days
The month with the most sunshine days is December (25.8 days).
The month with the least sunshine days is June (15.4 days).
Average UV index in January
Coal Valley, IL
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Coal Valley, IL
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Coal Valley, 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).
Coal Valley, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location