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
A decrease in the average high-temperature is observed during December, shifting from a chilly 43.7°F (6.5°C) in November to an icy 33.6°F (0.9°C). During the month of December, the temperature in Susquehanna, Pennsylvania, falls to an average of 23.4°F (-4.8°C).Humidity
February and December, with an average relative humidity of 87%, are the most humid months.Rainfall
In December, in Susquehanna, the rain falls for 6.9 days. Throughout December, 0.63" (16mm) of precipitation is accumulated. In Susquehanna, during the entire year, the rain falls for 104.8 days and collects up to 9.13" (232mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Susquehanna, in December, snow falls for 9.6 days, with typically accumulated 1.3" (33mm) of snow. In Susquehanna, Pennsylvania, during the entire year, snow falls for 48.7 days and aggregates up to 7.44" (189mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 4:32 pm. On the last day of December, in Susquehanna, Pennsylvania, sunrise is at 7:30 am and sunset at 4:41 pm EST.
Sunshine
The months with the least sunshine are February and December, with an average of 2.7h of sunshine.UV index
The months with the lowest UV index in Susquehanna are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. When the Sun is at its strongest around midday, find shade and limit exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
How cold is it in Susquehanna in December?
What is the most humid month in Susquehanna?
What is the average humidity in December in Susquehanna?
How many days does it rain in December in Susquehanna?
How many days does it snow in December in Susquehanna?
What is the month with the shortest days in Susquehanna?
How many hours of daylight does Susquehanna have in December?
When are sunrise and sunset in December in Susquehanna?
What is the month with the least sunshine in Susquehanna?
How many hours of sunshine does Susquehanna have in December?
What are the months with the lowest UV index in Susquehanna?
What is the UV index reading in December in Susquehanna?
Average temperature in December
Susquehanna, PA
- Average high temperature in December: 33.6°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 (27.9°F).
- Average low temperature in December: 23.4°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in December
Susquehanna, 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
Susquehanna, PA
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Susquehanna, PA
- Average humidity in December: 87%
The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are June and July (79%).
Average rainfall in December
Susquehanna, PA
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is August (1.02").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in December
Susquehanna, PA
- Average rainfall days in December: 6.9 days
The months with the highest number of rainy days are May and July (12.3 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in December
Susquehanna, PA
- Average snowfall in December: 1.3"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Susquehanna, PA
- Average snowfall days in December: 9.6 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Susquehanna, 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: 2h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are February and December (Average sunshine: 2h and 42min).
Average sunshine days in December
Susquehanna, PA
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is April (14.8 days).
Average UV index in December
Susquehanna, 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, November and December (UV index 1).
Average cloud cover in December
Susquehanna, PA
- Average cloud cover in December: 73
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Susquehanna, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (5mi).
The months with the lowest visibility are August and September (4mi).
Susquehanna, Pennsylvania, USA
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