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
In the transition to December, Clarks Green observes a drop in the average high-temperature, moving from a frosty 45.5°F (7.5°C) in November to an icy 35.6°F (2°C). Throughout December, Clarks Green witnesses a nighttime temperature average of 25.7°F (-3.5°C).Humidity
In Clarks Green, the average relative humidity in December is 84%.Rainfall
In Clarks Green, Pennsylvania, in December, during 11.7 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 165.6 rainfall days, and 30.31" (770mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Clarks Green. In Clarks Green, in December, snow falls for 13.4 days, with typically accumulated 5.94" (151mm) of snow. In Clarks Green, Pennsylvania, during the entire year, snow falls for 67.9 days and aggregates up to 33.62" (854mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Clarks Green, Pennsylvania.On the first day of December in Clarks Green, sunrise is at 7:10 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:43 pm EST.
Sunshine
The average sunshine in December in Clarks Green is 3.5h.UV index
December is the month with the lowest UV index in Clarks Green, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold is it in Clarks Green in December?
What is the average humidity in December in Clarks Green?
How many days does it rain in December in Clarks Green?
How much does it snow in Clarks Green in December?
What is the month with the shortest days in Clarks Green?
What is the average length of the day in December in Clarks Green?
When are sunrise and sunset in December in Clarks Green?
How many hours of sunshine does Clarks Green have in December?
When is the lowest UV index in Clarks Green?
What is the UV index reading in December in Clarks Green?
Average temperature in December
Clarks Green, PA
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Clarks Green, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Clarks Green, PA
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are January, February, March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Clarks Green, PA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (77%).
Average rainfall in December
Clarks Green, PA
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Clarks Green, PA
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Clarks Green, PA
- Average snowfall in December: 5.94"
The month with the highest snowfall is February (9.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Clarks Green, PA
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Clarks Green, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in December
Clarks Green, PA
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Clarks Green, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Clarks Green, PA
- Average cloud cover in December: 65
The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
Clarks Green, 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).
Clarks Green, Pennsylvania, USA
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