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
A moderate decline in the average high-temperature is seen during December, decreasing from a frosty 45.1°F (7.3°C) in November to a wintry 35.2°F (1.8°C). Tresslarville records a mean low-temperature of 24.8°F (-4°C) in December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 85%.Rainfall
In Tresslarville, in December, it is raining for 10.9 days, with typically 2.72" (69mm) of accumulated precipitation. In Tresslarville, during the entire year, the rain falls for 161.6 days and collects up to 33.19" (843mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Tresslarville, Pennsylvania, in December, during 12.7 snowfall days, 7.01" (178mm) of snow is typically accumulated. Throughout the year, in Tresslarville, there are 69.6 snowfall days, and 39.41" (1001mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:42 pm EST.
Sunshine
In Tresslarville, the average sunshine in December is 3.5h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 1 in December leads to these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Tresslarville?
What are the most humid months in Tresslarville?
What is the average humidity in December in Tresslarville?
How much does it rain in Tresslarville in December?
How much does it snow in Tresslarville in December?
What is the month with the shortest days in Tresslarville?
What is the average length of the day in December in Tresslarville?
When is the sunrise / sunset in December in Tresslarville?
How long on average sun shines in December in Tresslarville?
When is the lowest UV index in Tresslarville?
How high is the UV index in December in Tresslarville?
Average temperature in December
Tresslarville, PA
- Average high temperature in December: 35.2°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 (29.7°F).
- Average low temperature in December: 24.8°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
Tresslarville, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Tresslarville, PA
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are January, February and March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Tresslarville, PA
- Average humidity in December: 85%
The months with the highest relative humidity are February and December (85%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in December
Tresslarville, PA
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Tresslarville, PA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Tresslarville, PA
- Average snowfall in December: 7.01"
The month with the highest snowfall is February (9.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Tresslarville, PA
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tresslarville, PA
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in December
Tresslarville, PA
- Average sunshine days in December: 11.3 days
The months with the most sunshine days are September and November (14.7 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Tresslarville, 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
Tresslarville, PA
- Average cloud cover in December: 65
The months with the most cloud cover are February and December (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Tresslarville, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Tresslarville, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
