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
December's onset brings a reduction in the average high-temperature, from a fresh 50.7°F (10.4°C) in November to a wintry 41.5°F (5.3°C). During December, Sanatoga records a consistent average nighttime temperature of 30.2°F (-1°C).Humidity
The average relative humidity in December in Sanatoga is 79%.Rainfall
In Sanatoga, during December, the rain falls for 9.5 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, in Sanatoga, there are 146.5 rainfall days, and 27.87" (708mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Sanatoga, in December, snow falls for 2.7 days, with typically accumulated 1.89" (48mm) of snow. In Sanatoga, during the entire year, snow falls for 19.1 days and aggregates up to 11.54" (293mm) of snow.Daylight
December has the shortest days of the year in Sanatoga, with an average of 9h and 24min of daylight.On the first day of December in Sanatoga, Pennsylvania, sunrise is at 7:06 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:46 pm EST.
Sunshine
The average sunshine in December is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
Is it cold in Sanatoga during December?
What is the average humidity in December in Sanatoga?
How much does it rain in Sanatoga in December?
How many days does it snow in December in Sanatoga?
What is the month with the shortest days in Sanatoga?
How many hours of daylight does Sanatoga have in December?
What time are sunrise and sunset in December in Sanatoga?
How long on average sun shines in December in Sanatoga?
When is the lowest UV index in Sanatoga?
What is the UV index reading in December in Sanatoga?
Average temperature in December
Sanatoga, PA
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in December
Sanatoga, PA
- Average pressure in December: 30.1"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
Sanatoga, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Sanatoga, PA
- Average humidity in December: 79%
The months with the highest relative humidity are February and October (80%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in December
Sanatoga, PA
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Sanatoga, PA
- Average rainfall days in December: 9.5 days
The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Sanatoga, PA
- Average snowfall in December: 1.89"
The month with the highest snowfall is March (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Sanatoga, PA
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Sanatoga, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Sanatoga, PA
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Sanatoga, 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
Sanatoga, PA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Sanatoga, 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).
Sanatoga, Pennsylvania, USA
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