December weather forecastProsperity, PA
December
Weather in December
December, the first month of the winter in Prosperity, is also a wintry month, with an average temperature ranging between min 28.6°F (-1.9°C) and max 40.1°F (4.5°C).Temperature
In Prosperity, the average high-temperature in December decreases from a chilly 49.8°F (9.9°C) in November to a wintry 40.1°F (4.5°C). The nights of December anticipate an average low-temperature of 28.6°F (-1.9°C).Humidity
The average relative humidity in December is 83%.Rainfall
In Prosperity, in December, during 13.2 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 184.2 rainfall days, and 35.75" (908mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Prosperity, Pennsylvania. In Prosperity, during December, snow falls for 12.9 days and regularly aggregates up to 5" (127mm) of snow. In Prosperity, during the entire year, snow falls for 61.5 days and aggregates up to 25.98" (660mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:24 am and sunset at 4:56 pm. On the last day of December, sunrise is at 7:43 am and sunset at 5:05 pm EST.
Sunshine
In December, the average sunshine is 3.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December leads to these instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Prosperity, PA
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in December
Prosperity, 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
Prosperity, PA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Prosperity, PA
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Prosperity, PA
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in December
Prosperity, PA
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (10.7 days).
Average snowfall in December
Prosperity, PA
- Average snowfall in December: 5"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Prosperity, PA
- Average snowfall days in December: 12.9 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Prosperity, PA
- Average daylight in December: 9h and 24min
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 30min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Prosperity, PA
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is January (7.5 days).
Average UV index in December
Prosperity, PA
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Prosperity, PA
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Prosperity, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
