December weather forecastLofty, PA
December
Weather in December
The first month of the winter, December, is also a wintry month in Lofty, Pennsylvania, with an average temperature fluctuating between 27.3°F (-2.6°C) and 38.1°F (3.4°C).Temperature
Lofty, Pennsylvania, in December experiences a subtle temperature decline, with average high-temperatures reducing from a chilly 47.5°F (8.6°C) in November to a wintry 38.1°F (3.4°C). Lofty experiences an average temperature drop to a freezing cold 27.3°F (-2.6°C) during December nights.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 83%.Rainfall
In Lofty, in December, during 4.5 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Lofty, during the entire year, the rain falls for 66.7 days and collects up to 6.38" (162mm) of precipitation.Snowfall
January through March, October through December are months with snowfall. In Lofty, Pennsylvania, during December, snow falls for 3.8 days and regularly aggregates up to 0.43" (11mm) of snow. In Lofty, during the entire year, snow falls for 21.5 days and aggregates up to 3.15" (80mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Lofty.On the first day of the month, sunrise is at 7:09 am and sunset at 4:36 pm. On the last day of December, in Lofty, sunrise is at 7:28 am and sunset at 4:46 pm EST.
Sunshine
The average sunshine in December is 4.3h.UV index
The months with the lowest UV index in Lofty are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Boost your sun resistance with garments that are densely woven yet spacious. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lofty, PA
- Average high temperature in December: 38.1°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: 27.3°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 (19.8°F).
Average pressure in December
Lofty, PA
- Average pressure in December: 30.09"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
Lofty, PA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Lofty, PA
- Average humidity in December: 83%
The months with the highest relative humidity are February and December (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Lofty, PA
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in December
Lofty, PA
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is April (8.1 days).
The month with the least rainy days is November (3.5 days).
Average snowfall in December
Lofty, PA
- Average snowfall in December: 0.43"
The months with the highest snowfall are January and November (0.71").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Lofty, PA
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lofty, PA
- Average daylight in December: 9h and 18min
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 18min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Lofty, PA
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is May (19.9 days).
Average UV index in December
Lofty, PA
- Average UV index in December: 2
The month with the highest UV index is 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
Lofty, 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 34).
Average visibility in December
Lofty, PA
- Average visibility in December: 5mi
The months with the highest visibility are March and April (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September, October, November and December (5mi).
