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 arrival of December corresponds with a shift in temperature, down from a frosty 47.3°F (8.5°C) in November to a wintry 37.9°F (3.3°C). In the month of December, Shenandoah witnesses a consistent average low-temperature of 27.5°F (-2.5°C).Humidity
In December, the average relative humidity in Shenandoah, Pennsylvania, is 82%.Rainfall
In Shenandoah, during December, the rain falls for 12.6 days and regularly aggregates up to 2.87" (73mm) of precipitation. In Shenandoah, during the entire year, the rain falls for 171 days and collects up to 34.25" (870mm) of precipitation.Snowfall
Months with snowfall in Shenandoah are January through May, October through December. In Shenandoah, in December, during 8.6 snowfall days, 3.9" (99mm) of snow is typically accumulated. In Shenandoah, during the entire year, snow falls for 48.5 days and aggregates up to 27.72" (704mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December in Shenandoah, sunrise is at 7:10 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:47 pm EST.
Sunshine
In December, the average sunshine is 4.4h.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 average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
Is it cold in Shenandoah during December?
What is the average humidity in December in Shenandoah?
How many days does it rain in December in Shenandoah?
How much does it snow in Shenandoah in December?
What is the month with the shortest days in Shenandoah?
How many hours of daylight does Shenandoah have in December?
When are sunrise and sunset in December in Shenandoah?
How long on average sun shines in December in Shenandoah?
When is the lowest UV index in Shenandoah?
What is the UV index reading in December in Shenandoah?
Average temperature in December
Shenandoah, PA
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
Shenandoah, 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
Shenandoah, PA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Shenandoah, PA
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Shenandoah, PA
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Shenandoah, PA
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in December
Shenandoah, PA
- Average snowfall in December: 3.9"
The month with the highest snowfall is January (7.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Shenandoah, PA
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Shenandoah, PA
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in December
Shenandoah, PA
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in December
Shenandoah, PA
- Average UV index in December: 2
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, February, March, November and December (UV index 2).
Average cloud cover in December
Shenandoah, PA
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Shenandoah, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Shenandoah, Pennsylvania, USA
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