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 onset of December coincides with a reduction in the average high-temperature, falling from a chilly 46.8°F (8.2°C) in November to a cold 36.9°F (2.7°C). Rimersburg temperatures generally rest at a low of 26.1°F (-3.3°C) during the December nights.Humidity
In Rimersburg, the average relative humidity in December is 86%.Rainfall
In Rimersburg, during December, the rain falls for 11.3 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 176.8 rainfall days, and 34.57" (878mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Rimersburg, in December, snow falls for 12.3 days, with typically accumulated 4.84" (123mm) of snow. In Rimersburg, during the entire year, snow falls for 63.1 days and aggregates up to 25.75" (654mm) of snow.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 7:24 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:42 am and sunset at 4:59 pm EST.
Sunshine
In December, the average sunshine is 2.7h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days 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
Rimersburg, PA
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in December
Rimersburg, PA
- Average pressure in December: 30.1"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
Rimersburg, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Rimersburg, PA
- Average humidity in December: 86%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (78%).
Average rainfall in December
Rimersburg, PA
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in December
Rimersburg, PA
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Rimersburg, PA
- Average snowfall in December: 4.84"
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
Rimersburg, PA
- Average snowfall days in December: 12.3 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rimersburg, 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: 2h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Rimersburg, PA
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is November (14 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in December
Rimersburg, 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
Rimersburg, PA
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Rimersburg, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Rimersburg, Pennsylvania, USA
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