December weather forecastFarmersville, IL
December
Weather in December
The first month of the winter, December, is also a wintry month in Farmersville, Illinois, with temperature in the range of an average low of 28.2°F (-2.1°C) and an average high of 39.4°F (4.1°C).Temperature
The onset of December entails a temperature shift, as the average high-temperature decreases from a cool 50.9°F (10.5°C) in November to a wintry 39.4°F (4.1°C). An average minimum temperature of 28.2°F (-2.1°C) is recorded during the month of December.Humidity
In December, the average relative humidity is 78%.Rainfall
February and December are months with the least rain when the rain falls for 7.5 days and typically aggregates up to 1.26" (32mm) of rain.Snowfall
January through April, November and December are months with snowfall. In Farmersville, in December, during 6.1 snowfall days, 1.34" (34mm) of snow is typically accumulated. In Farmersville, Illinois, during the entire year, snow falls for 26.5 days and aggregates up to 6.5" (165mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:45 pm CST.
Sunshine
In Farmersville, the average sunshine in December is 4.7h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Farmersville, IL
- Average high temperature in December: 39.4°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in December
Farmersville, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Farmersville, IL
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in December
Farmersville, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Farmersville, IL
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is June (2.83").
The driest months (with the least rainfall) are February and December (1.26").
Average rainfall days in December
Farmersville, IL
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
Farmersville, IL
- Average snowfall in December: 1.34"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Farmersville, IL
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (8 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
Farmersville, IL
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Farmersville, IL
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in December
Farmersville, IL
- Average UV index in December: 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 December
Farmersville, IL
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in December
Farmersville, IL
- Average visibility in December: 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).
