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
La Plume observes a minor decrease in the average high-temperature with the arrival of December, falling from November's frosty 45.5°F (7.5°C) to a cold 35.6°F (2°C). La Plume's temperature lowers to a mean of 25.7°F (-3.5°C) during the nights in December.Humidity
February and December, with an average relative humidity of 84%, are the most humid months.Rainfall
In La Plume, Pennsylvania, during December, the rain falls for 11.8 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 159.9 rainfall days, and 26.65" (677mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In La Plume, in December, snow falls for 12.5 days, with typically accumulated 4.92" (125mm) of snow. In La Plume, during the entire year, snow falls for 64.6 days and aggregates up to 28.03" (712mm) 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 the month, sunrise is at 7:10 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:43 pm EST.
Sunshine
January, February and December, with an average of 3.4h of sunshine, are months with the least sunshine.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in La Plume?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does La Plume have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
La Plume, PA
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (81.1°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 (18.1°F).
Average pressure in December
La Plume, 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
La Plume, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January, February, March and April (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
La Plume, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (77%).
Average rainfall in December
La Plume, PA
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
La Plume, PA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
La Plume, PA
- Average snowfall in December: 4.92"
The month with the highest snowfall is February (7.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
La Plume, PA
- Average snowfall days in December: 12.5 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
La Plume, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 24min).
Average sunshine days in December
La Plume, PA
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in December
La Plume, PA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
La Plume, PA
- Average cloud cover in December: 65
The months with the most cloud cover are January, February and December (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
La Plume, 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).
La Plume, Pennsylvania, USA
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