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, Richeyville observes a temperature decline, with the average high falling from November's chilly 49.8°F (9.9°C) to a cold 40.1°F (4.5°C). In Richeyville, the average temperature during the nights of December drops to a freezing cold 28.9°F (-1.7°C).Humidity
The average relative humidity in December is 83%.Rainfall
In Richeyville, during December, the rain falls for 11.9 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 170.8 rainfall days, and 25.2" (640mm) of precipitation is accumulated.Snowfall
Months with snowfall in Richeyville are January through April, October through December. In December, it is snowing for 11.6 days. Throughout December, 2.8" (71mm) of snow is accumulated. In Richeyville, during the entire year, snow falls for 54.5 days and aggregates up to 14.41" (366mm) of snow.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 7:23 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:04 pm EST.
Sunshine
In December, the average sunshine is 3.5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Richeyville in December?
What is the average humidity in December in Richeyville?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Richeyville?
How many hours of daylight does Richeyville have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Richeyville, PA
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
Richeyville, 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
Richeyville, PA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Richeyville, PA
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in December
Richeyville, PA
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days in December
Richeyville, PA
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Richeyville, PA
- Average snowfall in December: 2.8"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Richeyville, PA
- Average snowfall days in December: 11.6 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Richeyville, 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Richeyville, PA
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in December
Richeyville, PA
- Average UV index in December: 2
The months with the highest UV index are May, June and July (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
Richeyville, PA
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Richeyville, PA
- Average visibility in December: 5mi
The months with the highest visibility are April, August and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, September, October and December (5mi).
Richeyville, Pennsylvania, USA
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