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 corresponds with a shift in the average high-temperature, moving from a fresh 50.9°F (10.5°C) in November to a wintry 41.9°F (5.5°C). During December, Strasburg's temperature falls to a steady low-temperature average of 30.4°F (-0.9°C).Humidity
In Strasburg, Pennsylvania, the average relative humidity in December is 79%.Rainfall
In Strasburg, in December, it is raining for 10.6 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, there are 158.5 rainfall days, and 32.01" (813mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Strasburg, in December, during 3.7 snowfall days, 1.81" (46mm) of snow is typically accumulated. Throughout the year, in Strasburg, there are 24.5 snowfall days, and 12.99" (330mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:07 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:49 pm EST.
Sunshine
The average sunshine in December 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. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December?
How many days does it rain in December in Strasburg?
How many days does it snow in December?
What is the month with the shortest days in Strasburg?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Strasburg, PA
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in December
Strasburg, 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
Strasburg, PA
- Average wind speed in December: 8.4mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Strasburg, PA
- Average humidity in December: 79%
The months with the highest relative humidity are May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Strasburg, PA
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is February (2.2").
Average rainfall days in December
Strasburg, PA
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in December
Strasburg, PA
- Average snowfall in December: 1.81"
The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Strasburg, PA
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Strasburg, 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 month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Strasburg, PA
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (12 days).
Average UV index in December
Strasburg, 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
Strasburg, PA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Strasburg, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
Strasburg, Pennsylvania, USA
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