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 arrival corresponds with a decrease in average high-temperatures, from November's frosty 46.6°F (8.1°C) to a cold 36.9°F (2.7°C). During the nights in December, Southmont experiences a consistent average temperature of 26.1°F (-3.3°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In Southmont, in December, it is raining for 9.4 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 152.7 rainfall days, and 21.1" (536mm) of precipitation is accumulated.Snowfall
Months with snowfall in Southmont are January through May, October through December. In Southmont, in December, during 8.1 snowfall days, 2.8" (71mm) of snow is typically accumulated. Throughout the year, in Southmont, there are 47.7 snowfall days, and 18.23" (463mm) of snow is accumulated.Daylight
December has the shortest days of the year in Southmont, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:19 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:59 pm EST.
Sunshine
In Southmont, the average sunshine in December is 3.4h.UV index
December is the month with the lowest UV index in Southmont, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
How cold is December in Southmont?
What is the average humidity in December in Southmont?
How many days does it rain in December in Southmont?
How much does it snow in Southmont in December?
What is the month with the shortest days in Southmont?
What is the average length of the day in December in Southmont?
When is the sunrise / sunset in December in Southmont?
How many hours of sunshine does Southmont have in December?
What is the month with the lowest UV index in Southmont?
How high is the UV index in December in Southmont?
Average temperature in December
Southmont, PA
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Southmont, 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
Southmont, 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 (5.2mph).
Average humidity in December
Southmont, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (78%).
Average rainfall in December
Southmont, PA
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in December
Southmont, PA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Southmont, PA
- Average snowfall in December: 2.8"
The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Southmont, PA
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Southmont, 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 24min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Southmont, PA
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (9 days).
Average UV index in December
Southmont, 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
Southmont, PA
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Southmont, 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).
Southmont, Pennsylvania, USA
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