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
With the arrival of December, Rehrersburg notices a mild change in the average high-temperature, sliding from November's frosty 49.5°F (9.7°C) to a cold 40.5°F (4.7°C). Throughout December, the temperature in Rehrersburg falls to an average low of 29.3°F (-1.5°C).Humidity
In December, the average relative humidity in Rehrersburg is 80%.Rainfall
In December, in Rehrersburg, the rain falls for 11.5 days. Throughout December, 2.72" (69mm) of precipitation is accumulated. Throughout the year, in Rehrersburg, there are 168.8 rainfall days, and 33.27" (845mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Rehrersburg, in December, snow falls for 5.4 days, with typically accumulated 1.97" (50mm) of snow. Throughout the year, there are 29.6 snowfall days, and 15.59" (396mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:38 pm. On the last day of December, in Rehrersburg, sunrise is at 7:28 am and sunset at 4:48 pm EST.
Sunshine
In December, the average sunshine in Rehrersburg is 4.6h.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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
How cold is December in Rehrersburg?
What is the average humidity in December in Rehrersburg?
How much does it rain in Rehrersburg in December?
How much does it snow in Rehrersburg in December?
What is the month with the shortest days in Rehrersburg?
How many hours of daylight does Rehrersburg have in December?
What time are sunrise and sunset in December in Rehrersburg?
How long on average sun shines in December in Rehrersburg?
When is the lowest UV index in Rehrersburg?
What is the UV index intensity in December in Rehrersburg?
Average temperature in December
Rehrersburg, PA
- Average high temperature in December: 40.5°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 (33.6°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in December
Rehrersburg, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Rehrersburg, PA
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Rehrersburg, PA
- Average humidity in December: 80%
The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Rehrersburg, PA
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in December
Rehrersburg, PA
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Rehrersburg, PA
- Average snowfall in December: 1.97"
The month with the highest snowfall is March (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rehrersburg, PA
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rehrersburg, PA
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Rehrersburg, PA
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in December
Rehrersburg, PA
- Average UV index in December: 2
The month with the highest UV index is June (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
Rehrersburg, PA
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Rehrersburg, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
Rehrersburg, Pennsylvania, USA
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