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
Powellville's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's refreshing 55.8°F (13.2°C) to a chilly 48.2°F (9°C). Powellville's nighttime temperature during December is consistently averaged at a cold 36.5°F (2.5°C).Humidity
The average relative humidity in December in Powellville is 78%.Rainfall
In December, the rain falls for 10.6 days. Throughout December, 2.09" (53mm) of precipitation is accumulated. In Powellville, during the entire year, the rain falls for 152.1 days and collects up to 27.17" (690mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Powellville, Maryland. In Powellville, in December, snow falls for 1.4 days, with typically accumulated 0.59" (15mm) of snow. Throughout the year, there are 8.2 snowfall days, and 4.06" (103mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:51 pm EST.
Sunshine
The average sunshine in December is 5.3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Powellville in December?
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 Powellville?
When are sunrise and sunset in December?
How many hours of sunshine does Powellville have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Powellville, MD
- Average high temperature in December: 48.2°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in December
Powellville, MD
- Average pressure in December: 30.11"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
Powellville, MD
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Powellville, MD
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, February, March and April (75%).
Average rainfall in December
Powellville, MD
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in December
Powellville, MD
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Powellville, MD
- Average snowfall in December: 0.59"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Powellville, MD
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is January (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Powellville, MD
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Powellville, MD
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in December
Powellville, MD
- 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 and December (UV index 2).
Average cloud cover in December
Powellville, MD
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Powellville, MD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Powellville, Maryland, USA
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