December weather forecastSpringlawn, PA
December
Weather in December
The first month of the winter, December, is also a frosty month in Springlawn, Pennsylvania, with an average temperature varying between 32.9°F (0.5°C) and 44.1°F (6.7°C).Temperature
As November makes way for December, Springlawn's average high-temperature eases from a fresh 52.9°F (11.6°C) to a frosty 44.1°F (6.7°C). In December, the recorded average low-temperature is a wintry 32.9°F (0.5°C).Humidity
In Springlawn, the average relative humidity in December is 77%.Rainfall
In Springlawn, Pennsylvania, during December, the rain falls for 10.9 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, there are 168.9 rainfall days, and 34.84" (885mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Springlawn, during December, snow falls for 2.9 days and regularly aggregates up to 1.26" (32mm) of snow. In Springlawn, during the entire year, snow falls for 18.1 days and aggregates up to 8.86" (225mm) 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 December, sunrise is at 7:05 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:49 pm EST.
Sunshine
In Springlawn, the average sunshine in December is 5.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Springlawn, PA
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Springlawn, 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
Springlawn, PA
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Springlawn, PA
- Average humidity in December: 77%
The months with the highest relative humidity are May, September and October (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Springlawn, PA
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in December
Springlawn, PA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Springlawn, PA
- Average snowfall in December: 1.26"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Springlawn, PA
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Springlawn, PA
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Springlawn, PA
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in December
Springlawn, 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, November and December (UV index 2).
Average cloud cover in December
Springlawn, PA
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Springlawn, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
