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
With December's arrival, Richfield's weather changes as the average high-temperature falls from a frosty 48.7°F (9.3°C) in November to a wintry 39°F (3.9°C). During the month of December, Richfield experiences a steady low-temperature average of 28°F (-2.2°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In Richfield, in December, it is raining for 11.6 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 162.8 rainfall days, and 28.46" (723mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 6.7 days. Throughout December, 2.17" (55mm) of snow is accumulated. Throughout the year, there are 38.9 snowfall days, and 17.24" (438mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:51 pm EST.
Sunshine
The average sunshine in December is 4.4h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
Is it cold in Richfield during December?
What is the average humidity in December in Richfield?
How much does it rain in Richfield in December?
How much does it snow in Richfield in December?
What is the month with the shortest days in Richfield?
How many hours of daylight does Richfield have in December?
When is the sunrise / sunset in December in Richfield?
How many hours of sunshine does Richfield have in December?
When is the lowest UV index in Richfield?
What is the UV index intensity in December in Richfield?
Average temperature in December
Richfield, PA
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Richfield, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Richfield, PA
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Richfield, PA
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in December
Richfield, PA
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in December
Richfield, PA
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (9 days).
Average snowfall in December
Richfield, PA
- Average snowfall in December: 2.17"
The month with the highest snowfall is February (4.92").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Richfield, PA
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Richfield, 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 18min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Richfield, PA
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is November (16.8 days).
The months with the least sunshine days are February and May (11 days).
Average UV index in December
Richfield, PA
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Richfield, PA
- Average cloud cover in December: 54
The months with the most cloud cover are January, February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Richfield, PA
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October and December (5mi).
Richfield, Pennsylvania, USA
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