December weather forecastOliver, PA
December
Weather in December
December, the first month of the winter in Oliver, is also a wintry month, with an average temperature fluctuating between 28.4°F (-2°C) and 39.9°F (4.4°C).Temperature
The onset of December entails a temperature shift, as the average high-temperature decreases from a chilly 49.5°F (9.7°C) in November to an icy 39.9°F (4.4°C). An average low-temperature of 28.4°F (-2°C) is common during the nights of December.Humidity
In Oliver, Pennsylvania, the average relative humidity in December is 84%.Rainfall
In Oliver, Pennsylvania, in December, during 9.5 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, there are 168.2 rainfall days, and 29.8" (757mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Oliver, Pennsylvania, in December, snow falls for 6.2 days, with typically accumulated 3.07" (78mm) of snow. In Oliver, during the entire year, snow falls for 35.9 days and aggregates up to 16.02" (407mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:04 pm EST.
Sunshine
In Oliver, the average sunshine in December is 3.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Oliver, PA
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in December
Oliver, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Oliver, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Oliver, PA
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, June, July, August, September and November (78%).
Average rainfall in December
Oliver, PA
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in December
Oliver, PA
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Oliver, PA
- Average snowfall in December: 3.07"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Oliver, PA
- Average snowfall days in December: 6.2 days
The months with the highest number of snowfall days are January and February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Oliver, PA
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Oliver, PA
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (8.9 days).
Average UV index in December
Oliver, PA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Oliver, PA
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Oliver, 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).
