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
Acosta's December weather shows a moderate shift in high-temperatures, falling from November's frosty 46.2°F (7.9°C) to a wintry 36.7°F (2.6°C). During December nights, Acosta witnesses a consistent average temperature of 26.1°F (-3.3°C).Humidity
In December, the average relative humidity is 86%.Rainfall
In Acosta, in December, it is raining for 9.7 days, with typically 2.64" (67mm) of accumulated precipitation. In Acosta, during the entire year, the rain falls for 164.4 days and collects up to 30.08" (764mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 11.1 days. Throughout December, 5.04" (128mm) of snow is accumulated. Throughout the year, there are 56.8 snowfall days, and 27.6" (701mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:38 am and sunset at 5:00 pm EST.
Sunshine
The average sunshine in December is 3.3h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Remember this! The UV radiation of the Sun can be nearly doubled by 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 much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Acosta have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Acosta, PA
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 26.1°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 (18.5°F).
Average pressure in December
Acosta, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Acosta, PA
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Acosta, PA
- Average humidity in December: 86%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June and July (79%).
Average rainfall in December
Acosta, PA
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days in December
Acosta, PA
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Acosta, PA
- Average snowfall in December: 5.04"
The month with the highest snowfall is January (6.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Acosta, PA
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Acosta, 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 24min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Acosta, PA
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Acosta, 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
Acosta, PA
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Acosta, 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).
Acosta, Pennsylvania, USA
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