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
Fairview Heights experiences its lowest average temperatures in January, reaching a peak of 37.8°F (3.2°C) and a minimum of 24.8°F (-4°C).Humidity
In Fairview Heights, the average relative humidity in January is 75%.Rainfall
In Fairview Heights, during January, the rain falls for 6.8 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, there are 147.1 rainfall days, and 35.43" (900mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. January is the month with the most snowfall. Snow falls for 7.3 days and accumulates 2.4" (61mm) of snow.Daylight
In Fairview Heights, Illinois, the average length of the day in January is 9h and 50min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:49 pm. On the last day of January, sunrise is at 7:06 am and sunset at 5:20 pm CST.
Sunshine
With an average of 4.5h of sunshine, January has the least sunshine of the year.UV index
January, February 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 low health risk from unsafe exposure to UV radiation for the average person.Note: In January, a daily UV index of 2 turns into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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?
How much does it rain in January?
What is the snowiest month?
How many days does it snow in January?
How many hours of daylight does Fairview Heights have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine in Fairview Heights?
How many hours of sunshine does Fairview Heights have in January?
What are the months with the lowest UV index in Fairview Heights?
What is the UV index reading in January?
Average temperature in January
Fairview Heights, IL
- Average high temperature in January: 37.8°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in January: 24.8°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in January
Fairview Heights, 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 (29.92"Hg).
Average wind speed in January
Fairview Heights, IL
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in January
Fairview Heights, IL
- Average humidity in January: 75%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Fairview Heights, IL
- Average rainfall in January: 2.32"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in January
Fairview Heights, IL
- Average rainfall days in January: 6.8 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in January
Fairview Heights, IL
- Average snowfall in January: 2.4"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Fairview Heights, IL
- Average snowfall days in January: 7.3 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Fairview Heights, IL
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 3min
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 30min).
Average sunshine days in January
Fairview Heights, IL
- Average sunshine days in January: 17.5 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in January
Fairview Heights, 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
Fairview Heights, IL
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in January
Fairview Heights, 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).
Fairview Heights, Illinois, USA
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