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
December suggests a modest reduction in the average high-temperature, shifting from a frosty 46.8°F (8.2°C) in November to a cold 37°F (2.8°C). December witnesses an average nighttime temperature of 26.4°F (-3.1°C).Humidity
In December, the average relative humidity is 84%.Rainfall
In December, the rain falls for 13.1 days. Throughout December, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 176.6 rainfall days, and 30.94" (786mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Birmingham, in December, snow falls for 12 days, with typically accumulated 4.17" (106mm) of snow. In Birmingham, during the entire year, snow falls for 58.3 days and aggregates up to 23.7" (602mm) 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 7:17 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:36 am and sunset at 4:55 pm EST.
Sunshine
In December, the average sunshine is 3.8h.UV index
December is the month with the lowest UV index in Birmingham, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 1 during December translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December in Birmingham?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December in Birmingham?
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 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: 3h and 5min
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).
Birmingham, Pennsylvania, USA
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