December weather forecastBirmingham, PA
December
Weather in December
The first month of the winter, December, is also a wintry month in Birmingham, Pennsylvania, with an average temperature varying between 37°F (2.8°C) and 26.4°F (-3.1°C).Temperature
Birmingham's progression into December includes a drop in the average high-temperature, from a frosty 46.8°F (8.2°C) in November to a cold 37°F (2.8°C). In the month of December, Birmingham's average low-temperature falls to a freezing cold 26.4°F (-3.1°C).Humidity
The average relative humidity in December is 84%.Rainfall
In Birmingham, Pennsylvania, during December, the rain falls for 13.1 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Birmingham, Pennsylvania, during the entire year, the rain falls for 176.6 days and collects up to 30.94" (786mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Birmingham, during December, snow falls for 12 days and regularly aggregates up to 4.17" (106mm) of snow. Throughout the year, there are 58.3 snowfall days, and 23.7" (602mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:17 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:55 pm EST.
Sunshine
In December, the average sunshine 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 minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 1 translates into these guidelines:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Birmingham, PA
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 26.4°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°F).
Average pressure in December
Birmingham, 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 (29.95"Hg).
Average wind speed in December
Birmingham, PA
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Birmingham, PA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, June and July (77%).
Average rainfall in December
Birmingham, PA
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in December
Birmingham, PA
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (10.5 days).
Average snowfall in December
Birmingham, PA
- Average snowfall in December: 4.17"
The month with the highest snowfall is January (6.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Birmingham, PA
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Birmingham, 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 month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Birmingham, PA
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in December
Birmingham, 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
Birmingham, PA
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Birmingham, 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).
