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
Onset of December witnesses a reduction in the average high-temperature, falling from a cool 51.3°F (10.7°C) in November to a wintry 40.3°F (4.6°C). Walshville cools down to an average low-temperature of 28.9°F (-1.7°C) throughout the month of December.Humidity
In Walshville, the average relative humidity in December is 78%.Rainfall
In December, the rain falls for 6.9 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. In Walshville, Illinois, during the entire year, the rain falls for 125.2 days and collects up to 16.3" (414mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Walshville, during December, snow falls for 3.8 days and regularly aggregates up to 0.83" (21mm) of snow. In Walshville, during the entire year, snow falls for 19.1 days and aggregates up to 3.58" (91mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:36 pm. On the last day of December, in Walshville, sunrise is at 7:17 am and sunset at 4:46 pm CST.
Sunshine
The average sunshine in December is 4.9h.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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Walshville?
What is the average humidity in December in Walshville?
How much does it rain in Walshville in December?
How much does it snow in Walshville in December?
What is the month with the shortest days in Walshville?
How many hours of daylight does Walshville have in December?
What time are sunrise and sunset in December in Walshville?
How many hours of sunshine does Walshville have in December?
What are the months with the lowest UV index in Walshville?
How high is the UV index in December in Walshville?
Average temperature in December
Walshville, IL
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Walshville, 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
Walshville, IL
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Walshville, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Walshville, IL
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in December
Walshville, IL
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Walshville, IL
- Average snowfall in December: 0.83"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Walshville, IL
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (6.3 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
Walshville, IL
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Walshville, IL
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is June (12 days).
Average UV index in December
Walshville, 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
Walshville, IL
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility in December
Walshville, 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).
Walshville, Illinois, USA
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