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 the onset of December, Plymptonville experiences a modest temperature adjustment, with the average high-temperature receding from a frosty 45.5°F (7.5°C) in November to a wintry 36°F (2.2°C). December nights experience a consistent temperature drop to a freezing cold 25.5°F (-3.6°C).Humidity
The average relative humidity in December in Plymptonville is 86%.Rainfall
In Plymptonville, Pennsylvania, in December, it is raining for 11.6 days, with typically 2.8" (71mm) of accumulated precipitation. In Plymptonville, during the entire year, the rain falls for 165.7 days and collects up to 31.54" (801mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Plymptonville, Pennsylvania, during December, snow falls for 15.5 days and regularly aggregates up to 7.36" (187mm) of snow. In Plymptonville, during the entire year, snow falls for 76 days and aggregates up to 37.6" (955mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Plymptonville.On the first day of the month, sunrise is at 7:20 am and sunset at 4:46 pm. On the last day of December, in Plymptonville, sunrise is at 7:38 am and sunset at 4:55 pm EST.
Sunshine
In December, the average sunshine in Plymptonville is 2.9h.UV index
December is the month with the lowest UV index in Plymptonville, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Plymptonville?
What is the average humidity in December in Plymptonville?
How many days does it rain in December in Plymptonville?
How much does it snow in Plymptonville in December?
What is the month with the shortest days in Plymptonville?
What is the average length of the day in December in Plymptonville?
When are sunrise and sunset in December in Plymptonville?
How many hours of sunshine does Plymptonville have in December?
What is the month with the lowest UV index in Plymptonville?
How high is the UV index in December in Plymptonville?
Average temperature in December
Plymptonville, PA
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 25.5°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Plymptonville, 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
Plymptonville, PA
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Plymptonville, PA
- Average humidity in December: 86%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (77%).
Average rainfall in December
Plymptonville, PA
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is August (1.97").
Average rainfall days in December
Plymptonville, PA
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Plymptonville, PA
- Average snowfall in December: 7.36"
The month with the highest snowfall is January (9.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Plymptonville, PA
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Plymptonville, PA
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 2h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Plymptonville, PA
- Average sunshine days in December: 8.8 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in December
Plymptonville, 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
Plymptonville, PA
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Plymptonville, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Plymptonville, Pennsylvania, USA
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