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
Rocktown's progression into December includes a drop in the average high-temperature, from a frosty 48.9°F (9.4°C) in November to a cold 39.2°F (4°C). In December, the recorded average low-temperature is a freezing cold 27.7°F (-2.4°C).Humidity
The average relative humidity in December in Rocktown is 84%.Rainfall
In Rocktown, in December, it is raining for 13.1 days, with typically 3.03" (77mm) of accumulated precipitation. In Rocktown, during the entire year, the rain falls for 185.4 days and collects up to 34.02" (864mm) of precipitation.Snowfall
Months with snowfall in Rocktown are January through May, October through December. In December, it is snowing for 12.8 days. Throughout December, 6.1" (155mm) of snow is accumulated. Throughout the year, there are 63.2 snowfall days, and 29.02" (737mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December in Rocktown, sunrise is at 7:22 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:02 pm EST.
Sunshine
In Rocktown, the average sunshine in December is 3.6h.UV index
The months with the lowest UV index in Rocktown 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 low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold does it get in Rocktown in December?
What is the average humidity in December in Rocktown?
How many days does it rain in December in Rocktown?
How many days does it snow in December in Rocktown?
What is the month with the shortest days in Rocktown?
What is the average length of the day in December in Rocktown?
When are sunrise and sunset in December in Rocktown?
How many hours of sunshine does Rocktown have in December?
What is the month with the lowest UV index in Rocktown?
What is the UV index reading in December in Rocktown?
Average temperature in December
Rocktown, PA
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Rocktown, 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
Rocktown, PA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Rocktown, PA
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Rocktown, PA
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in December
Rocktown, PA
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (22 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
Rocktown, PA
- Average snowfall in December: 6.1"
The month with the highest snowfall is January (7.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rocktown, PA
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rocktown, 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 4min
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
Rocktown, PA
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.5 days).
Average UV index in December
Rocktown, PA
- Average UV index in December: 2
The month with the highest UV index is July (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
Rocktown, 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
Rocktown, 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).
Rocktown, Pennsylvania, USA
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