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 onset of December is marked by a decrease in temperature, transitioning from a fresh 50.5°F (10.3°C) in November to an icy 41.5°F (5.3°C). Terre Hill's temperature lowers to a mean of 30°F (-1.1°C) during the nights in December.Humidity
In December, the average relative humidity in Terre Hill is 80%.Rainfall
In December, in Terre Hill, the rain falls for 11.6 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. In Terre Hill, Pennsylvania, during the entire year, the rain falls for 166.2 days and collects up to 33.46" (850mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Terre Hill. In December, in Terre Hill, it is snowing for 4.6 days. Throughout December, 1.97" (50mm) of snow is accumulated. Throughout the year, there are 27.2 snowfall days, and 14.45" (367mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December in Terre Hill, sunrise is at 7:07 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:48 pm EST.
Sunshine
In December, the average sunshine in Terre Hill is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Terre Hill. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold does it get in Terre Hill in December?
What is the average humidity in December in Terre Hill?
How many days does it rain in December in Terre Hill?
How many days does it snow in December in Terre Hill?
What is the month with the shortest days in Terre Hill?
How many hours of daylight does Terre Hill have in December?
When is the sunrise / sunset in December in Terre Hill?
How many hours of sunshine does Terre Hill have in December?
When is the lowest UV index in Terre Hill?
What is the UV index reading in December in Terre Hill?
Average temperature in December
Terre Hill, PA
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in December
Terre Hill, 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 (29.94"Hg).
Average wind speed in December
Terre Hill, PA
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Terre Hill, PA
- Average humidity in December: 80%
The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Terre Hill, PA
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in December
Terre Hill, PA
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in December
Terre Hill, PA
- Average snowfall in December: 1.97"
The month with the highest snowfall is March (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Terre Hill, PA
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Terre Hill, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in December
Terre Hill, PA
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in December
Terre Hill, PA
- Average UV index in December: 2
The months with the highest UV index are May, June and 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
Terre Hill, PA
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Terre Hill, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).
Terre Hill, Pennsylvania, USA
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