December weather forecastThompson, PA
December
Weather in December
December, the first month of the winter in Thompson, is still a cold month, with an average temperature varying between 34.7°F (1.5°C) and 24.4°F (-4.2°C).Temperature
The commencement of December involves a temperature shift, with the average high-temperature dropping from a chilly 44.2°F (6.8°C) in November to a cold 34.7°F (1.5°C). Thompson, in December, witnesses an average low-temperature of 24.4°F (-4.2°C).Humidity
The average relative humidity in December is 85%.Rainfall
In December, the rain falls for 10.7 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. In Thompson, during the entire year, the rain falls for 152.2 days and collects up to 23.94" (608mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Thompson, in December, during 13.7 snowfall days, 5.43" (138mm) of snow is typically accumulated. In Thompson, during the entire year, snow falls for 71.7 days and aggregates up to 26.81" (681mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:31 pm. On the last day of December, in Thompson, sunrise is at 7:29 am and sunset at 4:41 pm EST.
Sunshine
February and December, with an average of 3.2h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Thompson are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Thompson, PA
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in December: 24.4°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Thompson, PA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Thompson, PA
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Thompson, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).
Average rainfall in December
Thompson, PA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in December
Thompson, PA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Thompson, PA
- Average snowfall in December: 5.43"
The month with the highest snowfall is March (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Thompson, PA
- Average snowfall days in December: 13.7 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Thompson, PA
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in December
Thompson, PA
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in December
Thompson, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Thompson, PA
- Average cloud cover in December: 68
The months with the most cloud cover are January, February and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
Thompson, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
