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
The decrease of average high-temperatures is mild in December, with a decline from a frosty 44.1°F (6.7°C) in November to a wintry 34.7°F (1.5°C). December brings an average low-temperature of 25°F (-3.9°C) to Trowbridge.Humidity
The average relative humidity in December is 84%.Rainfall
In Trowbridge, in December, it is raining for 12.3 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 172.3 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 16.3 days. Throughout December, 6.65" (169mm) of snow is accumulated. Throughout the year, there are 82.3 snowfall days, and 37.13" (943mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:16 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:46 pm EST.
Sunshine
January, February and December, with an average of 3.2h of sunshine, are months with the least sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 1 in December translates into this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Trowbridge have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December in Trowbridge?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Trowbridge, PA
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in December
Trowbridge, 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
Trowbridge, PA
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Trowbridge, PA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in December
Trowbridge, PA
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in December
Trowbridge, PA
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in December
Trowbridge, PA
- Average snowfall in December: 6.65"
The month with the highest snowfall is February (8.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Trowbridge, PA
- Average snowfall days in December: 16.3 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Trowbridge, PA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 12min).
Average sunshine days in December
Trowbridge, PA
- Average sunshine days in December: 7.9 days
The month with the most sunshine days is September (13.6 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in December
Trowbridge, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Trowbridge, PA
- Average cloud cover in December: 68
The months with the most cloud cover are January, February and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
Trowbridge, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Trowbridge, Pennsylvania, USA
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