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
The shift from November to December involves a decrease in the average high-temperature, dropping from a frosty 45.9°F (7.7°C) to an icy 36.3°F (2.4°C). An average low-temperature of 25.7°F (-3.5°C) is observed during December nights.Humidity
February and December, with an average relative humidity of 84%, are the most humid months.Rainfall
In Crescent Lake, in December, during 13.2 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Crescent Lake, during the entire year, the rain falls for 171 days and collects up to 34.45" (875mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Crescent Lake, during December, snow falls for 13.1 days and regularly aggregates up to 6.89" (175mm) of snow. In Crescent Lake, Pennsylvania, during the entire year, snow falls for 66.6 days and aggregates up to 42.24" (1073mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December in Crescent Lake, sunrise is at 7:07 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:43 pm EST.
Sunshine
In December, the average sunshine is 4.2h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, an average UV index of 1 transforms into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Crescent Lake, PA
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Crescent Lake, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Crescent Lake, PA
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Crescent Lake, 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 July (77%).
Average rainfall in December
Crescent Lake, PA
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Crescent Lake, PA
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in December
Crescent Lake, PA
- Average snowfall in December: 6.89"
The month with the highest snowfall is January (9.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Crescent Lake, PA
- Average snowfall days in December: 13.1 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
Crescent Lake, 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 6min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Crescent Lake, PA
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in December
Crescent Lake, 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
Crescent Lake, 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
Crescent Lake, 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).
Crescent Lake, Pennsylvania, USA
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