Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Fairmont City in December demonstrates a small temperature transition, adjusting from an average high of a cool 53.2°F (11.8°C) in November to a frosty 42.8°F (6°C). Fairmont City, during December nights, observes an average temperature of 30.2°F (-1°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Fairmont City, in December, it is raining for 8.2 days, with typically 2.28" (58mm) of accumulated precipitation. In Fairmont City, during the entire year, the rain falls for 154.5 days and collects up to 35.51" (902mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Fairmont City. In Fairmont City, in December, during 4.2 snowfall days, 2.05" (52mm) of snow is typically accumulated. In Fairmont City, during the entire year, snow falls for 21.9 days and aggregates up to 7.91" (201mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Fairmont City.On the first day of December, sunrise is at 6:59 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:49 pm CST.
Sunshine
The average sunshine in December in Fairmont City, Illinois, is 4.9h.UV index
The months with the lowest UV index in Fairmont City are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Fairmont City in December?
What is the average humidity in December in Fairmont City?
How many days does it rain in December in Fairmont City?
How much does it snow in Fairmont City in December?
What is the month with the shortest days in Fairmont City?
What is the average length of the day in December in Fairmont City?
What time are sunrise and sunset in December in Fairmont City?
How many hours of sunshine does Fairmont City have in December?
What is the month with the lowest UV index in Fairmont City?
What is the UV index reading in December in Fairmont City?
Average temperature in December
Fairmont City, IL
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in December
Fairmont City, IL
- Average pressure in December: 30.13"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 December
Fairmont City, IL
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in December
Fairmont City, IL
- Average humidity in December: 76%
The months with the highest relative humidity are May and July (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Fairmont City, IL
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in December
Fairmont City, IL
- Average rainfall days in December: 8.2 days
The months with the highest number of rainy days are May and July (17.5 days).
The month with the least rainy days is January (8 days).
Average snowfall in December
Fairmont City, IL
- Average snowfall in December: 2.05"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Fairmont City, IL
- Average snowfall days in December: 4.2 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, August and September (0 days).
Average daylight in December /
Average sunshine in December
Fairmont City, IL
- Average daylight in December: 9h and 3min
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 December: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Fairmont City, IL
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is December (18.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in December
Fairmont City, IL
- Average UV index in December: 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 December
Fairmont City, IL
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Fairmont City, IL
- Average visibility in December: 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).
Fairmont City, Illinois, USA
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