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
December's arrival correlates with a reduction in the average high-temperature, down from a frosty 46.2°F (7.9°C) in November to a cold 36.5°F (2.5°C). In December, Carrolltown experiences a temperature dip to an average of 26.6°F (-3°C) at night.Humidity
The average relative humidity in December in Carrolltown, Pennsylvania, is 85%.Rainfall
In December, the rain falls for 10.6 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. In Carrolltown, Pennsylvania, during the entire year, the rain falls for 173.2 days and collects up to 32.44" (824mm) of precipitation.Snowfall
Months with snowfall in Carrolltown are January through May, October through December. In Carrolltown, during December, snow falls for 12.7 days and regularly aggregates up to 5.98" (152mm) of snow. In Carrolltown, during the entire year, snow falls for 65 days and aggregates up to 32.28" (820mm) of snow.Daylight
The month with the shortest days in Carrolltown is December, with an average of 9h and 18min of daylight.On the first day of December in Carrolltown, sunrise is at 7:19 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:57 pm EST.
Sunshine
The average sunshine in December in Carrolltown is 3.4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Carrolltown. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 1 during December leads to these advisories:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold is December in Carrolltown?
What is the average humidity in December in Carrolltown?
How many days does it rain in December in Carrolltown?
How much does it snow in Carrolltown in December?
What is the month with the shortest days in Carrolltown?
What is the average length of the day in December in Carrolltown?
When are sunrise and sunset in December in Carrolltown?
How long on average sun shines in December in Carrolltown?
What is the month with the lowest UV index in Carrolltown?
What is the UV index intensity in December in Carrolltown?
Average temperature in December
Carrolltown, PA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Carrolltown, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Carrolltown, PA
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Carrolltown, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in December
Carrolltown, PA
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in December
Carrolltown, PA
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Carrolltown, PA
- Average snowfall in December: 5.98"
The month with the highest snowfall is January (7.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Carrolltown, PA
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Carrolltown, 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 18min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Carrolltown, PA
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Carrolltown, 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
Carrolltown, PA
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in December
Carrolltown, 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).
Carrolltown, Pennsylvania, USA
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