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 brings a slight change in high-temperatures, falling from a chilly 46.4°F (8°C) in November to an icy 37.2°F (2.9°C). December witnesses an average nighttime temperature of 25.7°F (-3.5°C).Humidity
The average relative humidity in December is 85%.Rainfall
In Callimont, in December, during 11.7 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 183.2 rainfall days, and 35.94" (913mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Callimont, in December, snow falls for 12.5 days, with typically accumulated 5.16" (131mm) of snow. Throughout the year, there are 68.3 snowfall days, and 33.39" (848mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December in Callimont, sunrise is at 7:18 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:01 pm EST.
Sunshine
In Callimont, the average sunshine in December is 3.6h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold is it in Callimont in December?
What is the average humidity in December in Callimont?
How many days does it rain in December in Callimont?
How many days does it snow in December in Callimont?
What is the month with the shortest days in Callimont?
What is the average length of the day in December in Callimont?
What time are sunrise and sunset in December in Callimont?
How long on average sun shines in December in Callimont?
What are the months with the lowest UV index in Callimont?
What is the UV index reading in December in Callimont?
Average temperature in December
Callimont, PA
- Average high temperature in December: 37.2°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Callimont, 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
Callimont, PA
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Callimont, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (79%).
Average rainfall in December
Callimont, PA
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in December
Callimont, PA
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (22.8 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in December
Callimont, PA
- Average snowfall in December: 5.16"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Callimont, PA
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Callimont, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Callimont, PA
- Average sunshine days in December: 9.2 days
The months with the most sunshine days are October and November (12.5 days).
The month with the least sunshine days is May (6.2 days).
Average UV index in December
Callimont, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Callimont, PA
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Callimont, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Callimont, Pennsylvania, USA
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