December weather forecastCannon Run West, PA
December
Weather in December
December, the first month of the winter in Cannon Run West, is also an icy month, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 42.6°F (5.9°C).Temperature
A shift in Cannon Run West's weather is observed as November turns into December, with the average high temperature reducing from a cool 51.6°F (10.9°C) to an icy 42.6°F (5.9°C). During the nights in December, Cannon Run West observes an average low-temperature of 30.9°F (-0.6°C).Humidity
In Cannon Run West, the average relative humidity in December is 78%.Rainfall
In Cannon Run West, in December, it is raining for 8.6 days, with typically 1.22" (31mm) of accumulated precipitation. In Cannon Run West, during the entire year, the rain falls for 138.2 days and collects up to 15.59" (396mm) of precipitation.Snowfall
Months with snowfall are January through March, May and December. December is the first month it typically snows in Cannon Run West. Throughout December, in the average 2.6 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, in Cannon Run West, there are 15.8 snowfall days, and 2.13" (54mm) of snow is accumulated.Daylight
December has the shortest days of the year in Cannon Run West, with an average of 9h and 24min of daylight.On the first day of December in Cannon Run West, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:46 pm EST.
Sunshine
In December, the average sunshine in Cannon Run West is 5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cannon Run West, PA
- Average high temperature in December: 42.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Cannon Run West, PA
- Average pressure in December: 30.09"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
Cannon Run West, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Cannon Run West, PA
- Average humidity in December: 78%
The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall in December
Cannon Run West, PA
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in December
Cannon Run West, PA
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in December
Cannon Run West, PA
- Average snowfall in December: 0.35"
The months with the highest snowfall are February and March (0.55").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in December
Cannon Run West, PA
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Cannon Run West, 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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Cannon Run West, PA
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are May and June (12.8 days).
Average UV index in December
Cannon Run West, PA
- 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, February, March, November and December (UV index 2).
Average cloud cover in December
Cannon Run West, PA
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Cannon Run West, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
