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
With the beginning of December, the average high-temperature shows a decrease, transitioning from a frosty 44.2°F (6.8°C) in November to a cold 34.7°F (1.5°C). South Gibson records an average nighttime low of 24.4°F (-4.2°C) in December.Humidity
In South Gibson, the average relative humidity in December is 85%.Rainfall
In December, in South Gibson, the rain falls for 10.7 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. Throughout the year, there are 152.2 rainfall days, and 23.94" (608mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in South Gibson, Pennsylvania. In South Gibson, in December, snow falls for 13.7 days, with typically accumulated 5.43" (138mm) of snow. Throughout the year, there are 71.7 snowfall days, and 26.81" (681mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:42 pm EST.
Sunshine
February and December, with an average of 3.2h of sunshine, are months with the least sunshine in South Gibson, Pennsylvania.UV index
The months with the lowest UV index in South Gibson are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 1 during December translates into the following guidance:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is December in South Gibson?
What is the average humidity in December in South Gibson?
How much does it rain in South Gibson in December?
How many days does it snow in December in South Gibson?
What is the month with the shortest days in South Gibson?
How many hours of daylight does South Gibson have in December?
When are sunrise and sunset in December in South Gibson?
What are the months with the least sunshine in South Gibson?
How many hours of sunshine does South Gibson have in December?
What is the month with the lowest UV index in South Gibson?
What is the UV index intensity in December in South Gibson?
Average temperature in December
South Gibson, PA
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in December: 24.4°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
South Gibson, PA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
South Gibson, PA
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
South Gibson, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).
Average rainfall in December
South Gibson, PA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in December
South Gibson, PA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
South Gibson, PA
- Average snowfall in December: 5.43"
The month with the highest snowfall is March (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
South Gibson, PA
- Average snowfall days in December: 13.7 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
South Gibson, PA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in December
South Gibson, PA
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in December
South Gibson, PA
- Average UV index in December: 1
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 and December (UV index 1).
Average cloud cover in December
South Gibson, PA
- Average cloud cover in December: 68
The months with the most cloud cover are January, February and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
South Gibson, 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).
South Gibson, Pennsylvania, USA
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