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
Transition into December marks a drop in the average high-temperature, moving from a frosty 46.6°F (8.1°C) in November to a wintry 37.2°F (2.9°C). In the month of December, Christmansville witnesses a consistent average low-temperature of 26.6°F (-3°C).Humidity
In Christmansville, the average relative humidity in December is 83%.Rainfall
In December, the rain falls for 11.3 days. Throughout December, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 154.6 rainfall days, and 29.45" (748mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 7.7 days. Throughout December, 3.62" (92mm) of snow is accumulated. Throughout the year, there are 46.2 snowfall days, and 24.92" (633mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:08 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:44 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Christmansville in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Christmansville have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Christmansville have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Christmansville, PA
- Average high temperature in December: 37.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Christmansville, 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
Christmansville, PA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Christmansville, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in December
Christmansville, PA
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Christmansville, PA
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Christmansville, PA
- Average snowfall in December: 3.62"
The month with the highest snowfall is January (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Christmansville, PA
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Christmansville, 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: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Christmansville, PA
- Average sunshine days in December: 15 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in December
Christmansville, PA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Christmansville, PA
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Christmansville, 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).
Christmansville, Pennsylvania, USA
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