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 witnesses a gentle descent in average high-temperature, descending from November's comfortable 65.3°F (18.5°C) to a moderate 59.2°F (15.1°C). During December, Norristown consistently records a temperature low averaging a frosty 44.4°F (6.9°C).Humidity
August and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In Norristown, during December, the rain falls for 8.6 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Norristown, during the entire year, the rain falls for 136.8 days and collects up to 17.05" (433mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 7:14 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:35 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What are the most humid months?
What is the average humidity in December in Norristown?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Norristown have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Norristown have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Norristown, GA
- Average high temperature in December: 59.2°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in December: 44.4°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).
Average pressure in December
Norristown, GA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Norristown, GA
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are February and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Norristown, GA
- Average humidity in December: 76%
The months with the highest relative humidity are August and December (76%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in December
Norristown, GA
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is August (2.09").
The driest month (with the least rainfall) is November (0.94").
Average rainfall days in December
Norristown, GA
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in December
Norristown, GA
- Average snowfall in December: 0"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Norristown, GA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Norristown, GA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Norristown, GA
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in December
Norristown, GA
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Norristown, GA
- Average cloud cover in December: 42
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in December
Norristown, GA
- 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).
Norristown, Georgia, USA
Weather forecast for your location
2. Allow the app to use your location