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
Stepping into December, Trooper observes a temperature decline, with the average high falling from November's cool 51.6°F (10.9°C) to a cold 42.6°F (5.9°C). Trooper's average low-temperature for the month of December records at a subzero cold 30.9°F (-0.6°C).Humidity
In Trooper, the average relative humidity in December is 78%.Rainfall
In Trooper, during December, the rain falls for 8.6 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Trooper, during the entire year, the rain falls for 138.2 days and collects up to 15.59" (396mm) of precipitation.Snowfall
Months with snowfall in Trooper are January through March, May and December. December is the first month it typically snows. Throughout December, in the average 2.6 snowfall days, it receives 0.35" (9mm) of snow. In Trooper, during the entire year, snow falls for 15.8 days and aggregates up to 2.13" (54mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:46 pm EST.
Sunshine
In Trooper, the average sunshine in December is 5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold is it in Trooper in December?
What is the average humidity in December in Trooper?
How many days does it rain in December in Trooper?
When does it start snowing in Trooper?
What is the month with the shortest days in Trooper?
What is the average length of the day in December in Trooper?
When is the sunrise / sunset in December in Trooper?
How many hours of sunshine does Trooper have in December?
What is the month with the lowest UV index in Trooper?
How high is the UV index in December in Trooper?
Average temperature in December
Trooper, PA
- Average high temperature in December: 42.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Trooper, 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
Trooper, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Trooper, PA
- Average humidity in December: 78%
The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall in December
Trooper, PA
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in December
Trooper, PA
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in December
Trooper, PA
- Average snowfall in December: 0.35"
The months with the highest snowfall are February and March (0.55").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in December
Trooper, PA
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Trooper, 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: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Trooper, PA
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are May and June (12.8 days).
Average UV index in December
Trooper, PA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (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
Trooper, PA
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Trooper, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Trooper, Pennsylvania, USA
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