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 shift from November to December coincides with a small decrease in the average high-temperature, down to an icy 41.5°F (5.3°C) from a fresh 50.4°F (10.2°C). East Petersburg's average low-temperature for the month of December records at a subzero cold 30°F (-1.1°C).Humidity
In East Petersburg, the average relative humidity in December is 79%.Rainfall
In December, in East Petersburg, the rain falls for 11.3 days. Throughout December, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 161.8 rainfall days, and 30.31" (770mm) of precipitation is accumulated.Snowfall
Months with snowfall in East Petersburg are January through May, October through December. In East Petersburg, Pennsylvania, during December, snow falls for 3.8 days and regularly aggregates up to 1.57" (40mm) of snow. In East Petersburg, during the entire year, snow falls for 24.1 days and aggregates up to 11.93" (303mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:40 pm. On the last day of December, in East Petersburg, sunrise is at 7:27 am and sunset at 4:50 pm EST.
Sunshine
In December, the average sunshine in East Petersburg is 4.8h.UV index
The months with the lowest UV index in East Petersburg, Pennsylvania, are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
How cold does it get in East Petersburg in December?
What is the average humidity in December in East Petersburg?
How much does it rain in East Petersburg in December?
How many days does it snow in December in East Petersburg?
What is the month with the shortest days in East Petersburg?
What is the average length of the day in December in East Petersburg?
What time are sunrise and sunset in December in East Petersburg?
How long on average sun shines in December in East Petersburg?
When is the lowest UV index in East Petersburg?
How high is the UV index in December in East Petersburg?
Average temperature in December
East Petersburg, PA
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
East Petersburg, 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
East Petersburg, PA
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
East Petersburg, PA
- Average humidity in December: 79%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
East Petersburg, PA
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (2.09").
Average rainfall days in December
East Petersburg, PA
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
East Petersburg, PA
- Average snowfall in December: 1.57"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
East Petersburg, PA
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
East Petersburg, 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 36min).
Average sunshine days in December
East Petersburg, PA
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is November (17.8 days).
The months with the least sunshine days are May and July (11.6 days).
Average UV index in December
East Petersburg, PA
- Average UV index in December: 2
The months with the highest UV index are 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
East Petersburg, PA
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
East Petersburg, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, November and December (6mi).
The months with the lowest visibility are May, August, September and October (5mi).
East Petersburg, Pennsylvania, USA
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