December weather forecastHamletsburg, IL
December
Weather in December
The first month of the winter, December, is still a chilly month in Hamletsburg, Illinois, with an average temperature varying between 34.2°F (1.2°C) and 46.4°F (8°C).Temperature
Hamletsburg's weather in December involves a decrease in the average high-temperature, moving down from November's moderate 55.4°F (13°C) to a frosty 46.4°F (8°C). December brings Hamletsburg a consistent average low-temperature of 34.2°F (1.2°C).Humidity
In Hamletsburg, the average relative humidity in December is 78%.Rainfall
In Hamletsburg, Illinois, in December, during 7.1 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Hamletsburg, during the entire year, the rain falls for 94.8 days and collects up to 8.7" (221mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Hamletsburg, Illinois, in December, during 2.2 snowfall days, 0.08" (2mm) of snow is typically accumulated. In Hamletsburg, during the entire year, snow falls for 11 days and aggregates up to 0.83" (21mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:49 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:46 pm CST.
Sunshine
In December, the average sunshine is 4.9h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 2 in December translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hamletsburg, IL
- Average high temperature in December: 46.4°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Hamletsburg, IL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Hamletsburg, IL
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in December
Hamletsburg, IL
- Average humidity in December: 78%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Hamletsburg, IL
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in December
Hamletsburg, IL
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is November (5.7 days).
Average snowfall in December
Hamletsburg, IL
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Hamletsburg, IL
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (3.1 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
Hamletsburg, IL
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in December
Hamletsburg, IL
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is October (23.3 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in December
Hamletsburg, 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
Hamletsburg, IL
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in December
Hamletsburg, 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).
