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
December's arrival comes with a decrease in the average high-temperature, moving from a cool 51.4°F (10.8°C) in November to a cold 41.9°F (5.5°C). During December, Plumsteadville sees a mean low-temperature of 30.9°F (-0.6°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In December, in Plumsteadville, the rain falls for 10.9 days. Throughout December, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 158.6 rainfall days, and 28.31" (719mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Plumsteadville, during December, snow falls for 4.1 days and regularly aggregates up to 2.13" (54mm) of snow. In Plumsteadville, during the entire year, snow falls for 24.6 days and aggregates up to 10.24" (260mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:44 pm EST.
Sunshine
The average sunshine in December is 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 reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
Is it cold in Plumsteadville during December?
What is the average humidity in December in Plumsteadville?
How many days does it rain in December in Plumsteadville?
How much does it snow in Plumsteadville in December?
What is the month with the shortest days in Plumsteadville?
How many hours of daylight does Plumsteadville have in December?
When are sunrise and sunset in December in Plumsteadville?
How long on average sun shines in December in Plumsteadville?
What is the month with the lowest UV index in Plumsteadville?
What is the UV index reading in December in Plumsteadville?
Average temperature in December
Plumsteadville, PA
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Plumsteadville, 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
Plumsteadville, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Plumsteadville, PA
- Average humidity in December: 78%
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Plumsteadville, PA
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Plumsteadville, PA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in December
Plumsteadville, PA
- Average snowfall in December: 2.13"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Plumsteadville, PA
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Plumsteadville, 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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Plumsteadville, PA
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Plumsteadville, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (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
Plumsteadville, PA
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Plumsteadville, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Plumsteadville, Pennsylvania, USA
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