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
During Bernville's transition into December, the average high-temperature lessens, moving from a fresh 50°F (10°C) in November to a cold 40.5°F (4.7°C). Bernville temperatures generally rest at a low of 29.3°F (-1.5°C) during the December nights.Humidity
In Bernville, the average relative humidity in December is 80%.Rainfall
In Bernville, in December, during 7.9 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Bernville, during the entire year, the rain falls for 113.7 days and collects up to 10.79" (274mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Bernville, during December, snow falls for 2.5 days and regularly aggregates up to 0.43" (11mm) of snow. In Bernville, during the entire year, snow falls for 16.4 days and aggregates up to 3.66" (93mm) 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 7:08 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:48 pm EST.
Sunshine
The average sunshine in December is 4.7h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Bernville have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Bernville, PA
- Average high temperature in December: 40.5°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Bernville, 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
Bernville, PA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Bernville, PA
- Average humidity in December: 80%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Bernville, PA
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is August (1.3").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in December
Bernville, PA
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Bernville, PA
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Bernville, PA
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bernville, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Bernville, PA
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is November (23 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in December
Bernville, PA
- Average UV index in December: 2
The months with the highest UV index are May, June and 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
Bernville, PA
- Average cloud cover in December: 50
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Bernville, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).
Bernville, Pennsylvania, USA
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