December weather forecastRosecrans, PA
December
Weather in December
December, the first month of the winter in Rosecrans, is also an icy month, with temperature in the range of an average high of 36.7°F (2.6°C) and an average low of 25.9°F (-3.4°C).Temperature
December brings a decrease in the average high-temperature, shifting from a chilly 46.2°F (7.9°C) in November to a cold 36.7°F (2.6°C). An average low-temperature of 25.9°F (-3.4°C) is noted during the month of December.Humidity
February and December, with an average relative humidity of 84%, are the most humid months in Rosecrans.Rainfall
In December, the rain falls for 12.4 days. Throughout December, 2.68" (68mm) of precipitation is accumulated. In Rosecrans, during the entire year, the rain falls for 174.7 days and collects up to 32.09" (815mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 12.2 days. Throughout December, 4.76" (121mm) of snow is accumulated. Throughout the year, there are 56.1 snowfall days, and 24.84" (631mm) 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 the month, sunrise is at 7:15 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:50 pm EST.
Sunshine
In Rosecrans, the average sunshine in December is 3.4h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rosecrans, PA
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Rosecrans, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Rosecrans, PA
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Rosecrans, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (77%).
Average rainfall in December
Rosecrans, PA
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in December
Rosecrans, PA
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in December
Rosecrans, PA
- Average snowfall in December: 4.76"
The month with the highest snowfall is February (7.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rosecrans, PA
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rosecrans, PA
- Average daylight in December: 9h and 18min
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 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Rosecrans, PA
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Rosecrans, 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
Rosecrans, PA
- Average cloud cover in December: 64
The months with the most cloud cover are January and December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Rosecrans, PA
- Average visibility in December: 4mi
The months with the highest visibility are January, March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are February, September and December (4mi).





