December weather forecastHalifax, PA
December
Weather in December
The first month of the winter, December, is also an icy month in Halifax, Pennsylvania, with temperature in the range of an average high of 39.6°F (4.2°C) and an average low of 28.6°F (-1.9°C).Temperature
December brings a minor decrease, with the average high-temperature reducing from a chilly 49.3°F (9.6°C) in November to a wintry 39.6°F (4.2°C). Halifax experiences an average temperature drop to a subzero cold 28.6°F (-1.9°C) during December nights.Humidity
The average relative humidity in December is 79%.Rainfall
In Halifax, during December, the rain falls for 8.8 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Halifax, during the entire year, the rain falls for 132.6 days and collects up to 14.53" (369mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Halifax, in December, snow falls for 5.1 days, with typically accumulated 0.59" (15mm) of snow. In Halifax, during the entire year, snow falls for 27.1 days and aggregates up to 5.67" (144mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:51 pm EST.
Sunshine
In Halifax, Pennsylvania, the average sunshine in December is 4.4h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Halifax, PA
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
Halifax, 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 (29.95"Hg).
Average wind speed in December
Halifax, PA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Halifax, 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
Halifax, PA
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is July (1.77").
The driest months (with the least rainfall) are February and November (0.87").
Average rainfall days in December
Halifax, PA
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in December
Halifax, PA
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Halifax, PA
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (8.6 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
Halifax, PA
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Halifax, PA
- Average sunshine days in December: 18 days
The month with the most sunshine days is November (20 days).
The months with the least sunshine days are May and July (12.8 days).
Average UV index in December
Halifax, PA
- Average UV index in December: 2
The month with the highest UV index is June (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
Halifax, PA
- Average cloud cover in December: 54
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Halifax, PA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, May, August, September and October (5mi).
