December weather forecastMcIntyre, PA
December
Weather in December
The first month of the winter, December, is also an icy month in McIntyre, Pennsylvania, with an average temperature varying between 27.1°F (-2.7°C) and 37.9°F (3.3°C).Temperature
December's onset brings a reduction in the average high-temperature, from a frosty 47.5°F (8.6°C) in November to an icy 37.9°F (3.3°C). December's nights observe an average temperature of 27.1°F (-2.7°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In McIntyre, Pennsylvania, in December, during 11.5 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In McIntyre, during the entire year, the rain falls for 162.4 days and collects up to 23.43" (595mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In McIntyre, in December, snow falls for 12.6 days, with typically accumulated 4.41" (112mm) of snow. In McIntyre, during the entire year, snow falls for 62.7 days and aggregates up to 21.3" (541mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:22 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:00 pm EST.
Sunshine
In December, the average sunshine is 3.3h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
McIntyre, PA
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
McIntyre, PA
- Average pressure in December: 30.11"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
McIntyre, PA
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
McIntyre, PA
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in December
McIntyre, PA
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in December
McIntyre, PA
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
McIntyre, PA
- Average snowfall in December: 4.41"
The month with the highest snowfall is January (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
McIntyre, PA
- Average snowfall days in December: 12.6 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
McIntyre, 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: 3h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
McIntyre, PA
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is September (14.8 days).
The months with the least sunshine days are January and February (7.8 days).
Average UV index in December
McIntyre, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
McIntyre, PA
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
McIntyre, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





