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
During the transition into December, South Canaan observes a decrease in the average high-temperature, falling from a frosty 44.6°F (7°C) in November to an icy 35.2°F (1.8°C). In South Canaan, the average nighttime temperature during December is a subzero cold 24.6°F (-4.1°C).Humidity
The average relative humidity in December is 85%.Rainfall
In South Canaan, in December, it is raining for 9.8 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 148 rainfall days, and 25.04" (636mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In South Canaan, in December, snow falls for 13.7 days, with typically accumulated 5.08" (129mm) of snow. In South Canaan, Pennsylvania, during the entire year, snow falls for 68.4 days and aggregates up to 25.98" (660mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:09 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:41 pm EST.
Sunshine
The months with the least sunshine are February and December, with an average of 3.2h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 1 during December leads to these advisories:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in South Canaan in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does South Canaan have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does South Canaan have in December?
What are the months with the lowest UV index in South Canaan?
What is the UV index reading in December?
Average temperature in December
South Canaan, PA
- Average high temperature in December: 35.2°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 (29.5°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
South Canaan, 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 Canaan, PA
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
South Canaan, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in December
South Canaan, PA
- Average rainfall in December: 1.85"
The wettest months (with the highest rainfall) are May and August (2.48").
The driest months (with the least rainfall) are January and September (1.65").
Average rainfall days in December
South Canaan, PA
- Average rainfall days in December: 9.8 days
The months with the highest number of rainy days are April and May (16.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
South Canaan, PA
- Average snowfall in December: 5.08"
The month with the highest snowfall is January (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
South Canaan, PA
- Average snowfall days in December: 13.7 days
The month with the highest number of snowfall days is January (15.7 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 Canaan, PA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
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: 9h and 54min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in December
South Canaan, PA
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is April (9.6 days).
Average UV index in December
South Canaan, 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 Canaan, 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 39).
Average visibility in December
South Canaan, 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 Canaan, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location