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
December's onset brings a slight change in high-temperatures, falling from a frosty 46.2°F (7.9°C) in November to an icy 36.9°F (2.7°C). An average minimum temperature of 25.9°F (-3.4°C) marks the month of December in Edwardsville.Humidity
February and December, with an average relative humidity of 84%, are the most humid months.Rainfall
In Edwardsville, during December, the rain falls for 11.3 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Edwardsville, during the entire year, the rain falls for 142.7 days and collects up to 13.19" (335mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Edwardsville. In December, it is snowing for 10 days. Throughout December, 1.93" (49mm) of snow is accumulated. Throughout the year, there are 49.9 snowfall days, and 9.92" (252mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:44 pm EST.
Sunshine
The average sunshine in December is 3.9h.UV index
December is the month with the lowest UV index in Edwardsville, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
How cold is it in Edwardsville in December?
What is the most humid month in Edwardsville?
What is the average humidity in December in Edwardsville?
How many days does it rain in December in Edwardsville?
How many days does it snow in December in Edwardsville?
What is the month with the shortest days in Edwardsville?
What is the average length of the day in December in Edwardsville?
When is the sunrise / sunset in December in Edwardsville?
How many hours of sunshine does Edwardsville have in December?
When is the lowest UV index in Edwardsville?
How high is the UV index in December in Edwardsville?
Average temperature in December
Edwardsville, PA
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in December
Edwardsville, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Edwardsville, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Edwardsville, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Edwardsville, PA
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in December
Edwardsville, PA
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Edwardsville, PA
- Average snowfall in December: 1.93"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Edwardsville, PA
- Average snowfall days in December: 10 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Edwardsville, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in December
Edwardsville, PA
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in December
Edwardsville, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Edwardsville, PA
- Average cloud cover in December: 60
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Edwardsville, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Edwardsville, Pennsylvania, USA
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