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
Ritters Crossroads in December experiences a subtle temperature decline, with average high-temperatures reducing from a frosty 46.9°F (8.3°C) in November to an icy 37°F (2.8°C). Ritters Crossroads, during the month of December, experiences an average low-temperature of 27°F (-2.8°C).Humidity
In Ritters Crossroads, Pennsylvania, the average relative humidity in December is 82%.Rainfall
In Ritters Crossroads, in December, it is raining for 12.7 days, with typically 1.93" (49mm) of accumulated precipitation. In Ritters Crossroads, during the entire year, the rain falls for 168 days and collects up to 27.32" (694mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Ritters Crossroads, Pennsylvania, during December, snow falls for 10 days and regularly aggregates up to 2.95" (75mm) of snow. In Ritters Crossroads, during the entire year, snow falls for 48.3 days and aggregates up to 17.68" (449mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:13 am and sunset at 4:38 pm. On the last day of December, in Ritters Crossroads, Pennsylvania, sunrise is at 7:31 am and sunset at 4:47 pm EST.
Sunshine
In Ritters Crossroads, Pennsylvania, the average sunshine in December is 4.1h.UV index
The months with the lowest UV index are January through March, October through 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: A maximum daily UV index of 2 during December morphs into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Boost your sun resistance with garments that are densely woven yet spacious. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Ritters Crossroads?
What is the average humidity in December in Ritters Crossroads?
How much does it rain in Ritters Crossroads in December?
How much does it snow in Ritters Crossroads in December?
What is the month with the shortest days in Ritters Crossroads?
How many hours of daylight does Ritters Crossroads have in December?
When are sunrise and sunset in December in Ritters Crossroads?
How many hours of sunshine does Ritters Crossroads have in December?
What are the months with the lowest UV index in Ritters Crossroads?
How high is the UV index in December in Ritters Crossroads?
Average temperature in December
Ritters Crossroads, PA
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Ritters Crossroads, PA
- Average pressure in December: 30.09"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
Ritters Crossroads, PA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Ritters Crossroads, 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
Ritters Crossroads, PA
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in December
Ritters Crossroads, PA
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in December
Ritters Crossroads, PA
- Average snowfall in December: 2.95"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ritters Crossroads, PA
- Average snowfall days in December: 10 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ritters Crossroads, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in December
Ritters Crossroads, PA
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (10 days).
Average UV index in December
Ritters Crossroads, 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, March, October, November and December (UV index 2).
Average cloud cover in December
Ritters Crossroads, PA
- Average cloud cover in December: 58
The months with the most cloud cover are January, February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Ritters Crossroads, 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).
Ritters Crossroads, Pennsylvania, USA
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