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
Stepping into December, Schwenksville observes a temperature decline, with the average high falling from November's cool 50.9°F (10.5°C) to a cold 41.5°F (5.3°C). Schwenksville anticipates an average minimum temperature of 30.4°F (-0.9°C) in the month of December.Humidity
The average relative humidity in December is 80%.Rainfall
In Schwenksville, in December, during 8 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Schwenksville, during the entire year, the rain falls for 128.6 days and collects up to 15.16" (385mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Schwenksville, in December, snow falls for 2 days, with typically accumulated 1.34" (34mm) of snow. Throughout the year, in Schwenksville, there are 17 snowfall days, and 5.43" (138mm) 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 the month, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:46 pm EST.
Sunshine
In Schwenksville, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the average humidity in December?
How much does it rain in Schwenksville in December?
How many days does it snow in December in Schwenksville?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Schwenksville, PA
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
Schwenksville, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Schwenksville, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Schwenksville, PA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in December
Schwenksville, PA
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in December
Schwenksville, PA
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in December
Schwenksville, PA
- Average snowfall in December: 1.34"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Schwenksville, PA
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Schwenksville, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Schwenksville, PA
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in December
Schwenksville, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Schwenksville, PA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Schwenksville, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Schwenksville, Pennsylvania, USA
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