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 reduction in the average high-temperature, from a chilly 46.2°F (7.9°C) in November to a cold 36.5°F (2.5°C). In Salix, the December nights cool down to an average low of 26.4°F (-3.1°C).Humidity
In Salix, the average relative humidity in December is 85%.Rainfall
In December, the rain falls for 9.2 days. Throughout December, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 128.8 rainfall days, and 22.95" (583mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Salix, in December, snow falls for 10.3 days, with typically accumulated 5.16" (131mm) of snow. Throughout the year, there are 58.2 snowfall days, and 31.81" (808mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:19 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:59 pm EST.
Sunshine
In December, the average sunshine 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: During December, 2 as the daily maximum UV index converts into the following advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Salix have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Salix, PA
- Average high temperature in December: 36.5°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 (30.6°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
Salix, 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
Salix, 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
Salix, 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 and July (78%).
Average rainfall in December
Salix, PA
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is February (2.68").
The driest month (with the least rainfall) is August (1.1").
Average rainfall days in December
Salix, PA
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is November (7 days).
Average snowfall in December
Salix, PA
- Average snowfall in December: 5.16"
The month with the highest snowfall is February (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Salix, PA
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Salix, 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 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Salix, PA
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in December
Salix, 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
Salix, PA
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Salix, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Salix, Pennsylvania, USA
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