December weather forecastBeryl, PA
December
Weather in December
The first month of the winter, December, is also a wintry month in Beryl, Pennsylvania, with an average temperature fluctuating between 26.8°F (-2.9°C) and 37.4°F (3°C).Temperature
A subtle decrease in the average high-temperature marks December, falling from November's chilly 47.3°F (8.5°C) to a wintry 37.4°F (3°C). Throughout the month of December, Beryl expects an average low of 26.8°F (-2.9°C).Humidity
In December, the average relative humidity is 83%.Rainfall
In Beryl, in December, during 11.9 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 161.9 rainfall days, and 24.29" (617mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Beryl, in December, snow falls for 8.6 days, with typically accumulated 2.48" (63mm) of snow. Throughout the year, there are 50.3 snowfall days, and 17.01" (432mm) 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 7:18 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:36 am and sunset at 4:57 pm EST.
Sunshine
The average sunshine in December in Beryl is 3.8h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Beryl, PA
- Average high temperature in December: 37.4°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 (31.5°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
Beryl, 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
Beryl, PA
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Beryl, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in December
Beryl, PA
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is November (1.46").
Average rainfall days in December
Beryl, PA
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Beryl, PA
- Average snowfall in December: 2.48"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Beryl, PA
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Beryl, PA
- Average daylight in December: 9h and 18min
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: 3h and 48min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Beryl, PA
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in December
Beryl, 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
Beryl, PA
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Beryl, 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).
