December weather forecastHalfway House, PA
December
Weather in December
December, the first month of the winter in Halfway House, is also a wintry month, with an average temperature ranging between max 41.5°F (5.3°C) and min 30.2°F (-1°C).Temperature
December's onset corresponds with a shift in the average high-temperature, moving from a cool 50.7°F (10.4°C) in November to an icy 41.5°F (5.3°C). Nightly temperatures drop to an average low of 30.2°F (-1°C) in December.Humidity
In Halfway House, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 9.5 days. Throughout December, 2.32" (59mm) of precipitation is accumulated. In Halfway House, during the entire year, the rain falls for 146.5 days and collects up to 27.87" (708mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Halfway House, in December, snow falls for 2.7 days, with typically accumulated 1.89" (48mm) of snow. Throughout the year, there are 19.1 snowfall days, and 11.54" (293mm) of snow is accumulated.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 7:06 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:46 pm EST.
Sunshine
In Halfway House, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Halfway House, PA
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in December
Halfway House, PA
- Average pressure in December: 30.1"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
Halfway House, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Halfway House, PA
- Average humidity in December: 79%
The months with the highest relative humidity are February and October (80%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in December
Halfway House, PA
- Average rainfall in December: 2.32"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Halfway House, PA
- Average rainfall days in December: 9.5 days
The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Halfway House, PA
- Average snowfall in December: 1.89"
The month with the highest snowfall is March (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Halfway House, PA
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Halfway House, 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 54min
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 42min).
Average sunshine days in December
Halfway House, PA
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Halfway House, 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, March, November and December (UV index 2).
Average cloud cover in December
Halfway House, PA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Halfway House, 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).
