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
Crabtree in December undergoes a mild reduction in the average high-temperature, shifting from November's frosty 48.7°F (9.3°C) to a cold 39°F (3.9°C). Throughout December, an average low-temperature of 27.9°F (-2.3°C) is expected.Humidity
In December, the average relative humidity is 84%.Rainfall
In Crabtree, Pennsylvania, in December, during 13.5 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. In Crabtree, during the entire year, the rain falls for 186 days and collects up to 34.84" (885mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 12.8 days. Throughout December, 5.67" (144mm) of snow is accumulated. In Crabtree, during the entire year, snow falls for 63.3 days and aggregates up to 27.44" (697mm) 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 7:22 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:01 pm EST.
Sunshine
The average sunshine in December in Crabtree is 3.5h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 1 in December translates into this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
Is it cold in Crabtree during December?
What is the average humidity in December in Crabtree?
How much does it rain in Crabtree in December?
How much does it snow in Crabtree in December?
What is the month with the shortest days in Crabtree?
How many hours of daylight does Crabtree have in December?
What time are sunrise and sunset in December in Crabtree?
How long on average sun shines in December in Crabtree?
When is the lowest UV index in Crabtree?
What is the UV index reading in December in Crabtree?
Average temperature in December
Crabtree, PA
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Crabtree, PA
- Average pressure in December: 30.11"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
Crabtree, PA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Crabtree, PA
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Crabtree, PA
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in December
Crabtree, PA
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
Crabtree, PA
- Average snowfall in December: 5.67"
The month with the highest snowfall is January (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Crabtree, PA
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Crabtree, 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: 3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Crabtree, PA
- Average sunshine days in December: 8.8 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in December
Crabtree, PA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Crabtree, PA
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Crabtree, 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).
Crabtree, Pennsylvania, USA
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