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 beginning of December marks a decrease in the average high-temperature, transitioning from a frosty 46.9°F (8.3°C) in November to a cold 37°F (2.8°C). In Milesburg, December nights cool down to an average of 26.4°F (-3.1°C).Humidity
February and December, with an average relative humidity of 84%, are the most humid months in Milesburg.Rainfall
In Milesburg, in December, it is raining for 11.5 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 158.7 rainfall days, and 23.74" (603mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 9 days. Throughout December, 2.99" (76mm) of snow is accumulated. In Milesburg, during the entire year, snow falls for 47.4 days and aggregates up to 17.13" (435mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:17 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:53 pm EST.
Sunshine
In Milesburg, the average sunshine in December is 3.6h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What are the most humid months?
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?
What time are sunrise and sunset in December?
How many hours of sunshine does Milesburg have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December in Milesburg?
Average temperature in December
Milesburg, PA
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (82.4°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 (18.9°F).
Average pressure in December
Milesburg, 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
Milesburg, PA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Milesburg, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (76%).
Average rainfall in December
Milesburg, PA
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in December
Milesburg, PA
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (18.4 days).
The months with the least rainy days are January and February (8.3 days).
Average snowfall in December
Milesburg, PA
- Average snowfall in December: 2.99"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Milesburg, PA
- Average snowfall days in December: 9 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Milesburg, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 4min
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
Milesburg, PA
- Average sunshine days in December: 14.2 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in December
Milesburg, 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
Milesburg, PA
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Milesburg, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Milesburg, Pennsylvania, USA
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