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 to December brings a decrease in the average high-temperature, falling from a chilly 46°F (7.8°C) in November to a wintry 36.7°F (2.6°C). During December, Berlin's temperature averages to a freezing cold 25.7°F (-3.5°C) at night.Humidity
In Berlin, the average relative humidity in December is 85%.Rainfall
In December, the rain falls for 9.5 days. Throughout December, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 158.1 rainfall days, and 25.94" (659mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Berlin, in December, during 11.2 snowfall days, 3.74" (95mm) of snow is typically accumulated. In Berlin, during the entire year, snow falls for 59.9 days and aggregates up to 24.06" (611mm) 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 December in Berlin, sunrise is at 7:18 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:01 pm EST.
Sunshine
The average sunshine in December is 3.6h.UV index
The months with the lowest UV index in Berlin are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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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 Berlin in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Berlin have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Berlin have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Berlin, PA
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 25.7°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 (18.5°F).
Average pressure in December
Berlin, 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
Berlin, PA
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Berlin, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (79%).
Average rainfall in December
Berlin, PA
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in December
Berlin, PA
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in December
Berlin, PA
- Average snowfall in December: 3.74"
The month with the highest snowfall is January (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Berlin, PA
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Berlin, 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 24min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Berlin, PA
- Average sunshine days in December: 11.6 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in December
Berlin, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Berlin, PA
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Berlin, PA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Berlin, Pennsylvania, USA
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