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's onset corresponds with a shift in the average high-temperature, moving from a chilly 46.9°F (8.3°C) in November to a cold 37°F (2.8°C). Throughout the nights in December, an average low-temperature of 26.4°F (-3.1°C) is noted.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 84%.Rainfall
In December, the rain falls for 11.5 days. Throughout December, 1.81" (46mm) of precipitation is accumulated. Throughout the year, there are 158.7 rainfall days, and 23.74" (603mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Milesburg, in December, snow falls for 9 days, with typically accumulated 2.99" (76mm) of snow. Throughout the year, in Milesburg, Pennsylvania, there are 47.4 snowfall days, and 17.13" (435mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:35 am and sunset at 4:53 pm EST.
Sunshine
In December, the average sunshine is 3.6h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How many days 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?
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
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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