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
The coldest period is January, when temperatures fluctuate between an average high of 37.8°F (3.2°C) and a low of 24.8°F (-4°C).Humidity
In Fairview Heights, Illinois, the average relative humidity in January is 75%.Rainfall
In Fairview Heights, in January, it is raining for 6.8 days, with typically 2.32" (59mm) of accumulated 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 in Fairview Heights. Snow falls for 7.3 days and accumulates 2.4" (61mm) of snow.Daylight
In January, the average length of the day is 9h and 50min.On the first day of January in Fairview Heights, sunrise is at 7:17 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:20 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.5h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Fairview Heights. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 2 in January transforms into this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Always opt for UVA and UVB-resistant sunglasses on radiant days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What is the coldest time of year in Fairview Heights?
How cold is January in Fairview Heights?
What is the average humidity in January in Fairview Heights?
How much does it rain in Fairview Heights in January?
What is the snowiest month in Fairview Heights?
How much does it snow in Fairview Heights in January?
How many hours of daylight does Fairview Heights have in January?
When is the sunrise / sunset in January in Fairview Heights?
What is the month with the least sunshine in Fairview Heights?
How long on average sun shines in January in Fairview Heights?
When is the lowest UV index in Fairview Heights?
What is the UV index intensity in January in Fairview Heights?
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
Weather forecast for your location
2. Allow the app to use your location
