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 brings a drop in Girardville's average high-temperature, falling from a frosty 47.5°F (8.6°C) in November to an icy 37.9°F (3.3°C). During December, the temperature is averaged to a low of 27.5°F (-2.5°C) at night.Humidity
In Girardville, the average relative humidity in December is 82%.Rainfall
In Girardville, Pennsylvania, in December, during 10.7 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Girardville, during the entire year, the rain falls for 164.2 days and collects up to 33.5" (851mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 6.5 days. Throughout December, 3.5" (89mm) of snow is accumulated. Throughout the year, there are 40.3 snowfall days, and 24.65" (626mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:10 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:47 pm EST.
Sunshine
In Girardville, the average sunshine in December is 4.4h.UV index
The months with the lowest UV index in Girardville are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it 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?
What time are sunrise and sunset in December?
How many hours of sunshine does Girardville have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Girardville, PA
- Average high temperature in December: 37.9°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 (31.6°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Girardville, 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 (29.94"Hg).
Average wind speed in December
Girardville, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are March and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Girardville, PA
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Girardville, PA
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Girardville, PA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in December
Girardville, PA
- Average snowfall in December: 3.5"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Girardville, PA
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Girardville, 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: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in December
Girardville, PA
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in December
Girardville, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Girardville, PA
- Average cloud cover in December: 54
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Girardville, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Girardville, Pennsylvania, USA
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