December weather forecastLinglestown, PA
December
Weather in December
The first month of the winter, December, is still a cold month in Linglestown, Pennsylvania, with temperature in the range of an average high of 40.8°F (4.9°C) and an average low of 29.3°F (-1.5°C).Temperature
In December, the average high-temperature goes from a chilly 49.8°F (9.9°C) in November to a cold 40.8°F (4.9°C). Linglestown records a steady low-temperature average of 29.3°F (-1.5°C) during December.Humidity
In Linglestown, the average relative humidity in December is 79%.Rainfall
In Linglestown, in December, during 8.4 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Linglestown, during the entire year, the rain falls for 128.8 days and collects up to 15" (381mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Linglestown, in December, snow falls for 3.4 days, with typically accumulated 1.02" (26mm) of snow. Throughout the year, there are 19.2 snowfall days, and 7.52" (191mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:51 pm EST.
Sunshine
In December, the average sunshine is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Linglestown. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Linglestown, PA
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in December
Linglestown, 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
Linglestown, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are March and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Linglestown, PA
- Average humidity in December: 79%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in December
Linglestown, PA
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in December
Linglestown, PA
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Linglestown, PA
- Average snowfall in December: 1.02"
The months with the highest snowfall are January and March (2.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Linglestown, PA
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is January (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
Linglestown, PA
- Average daylight in December: 9h and 24min
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 42min
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
Linglestown, PA
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Linglestown, 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
Linglestown, PA
- Average cloud cover in December: 51
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Linglestown, 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).
