December weather forecastMontrose, PA
December
Weather in December
The first month of the winter, December, is also a wintry month in Montrose, Pennsylvania, with an average temperature fluctuating between 34.3°F (1.3°C) and 24.6°F (-4.1°C).Temperature
December shows a mild decline in the average high-temperature, falling from November's chilly 44.2°F (6.8°C) to a cold 34.3°F (1.3°C). In December, the average low-temperature records at a subzero cold 24.6°F (-4.1°C) during the nights.Humidity
In Montrose, the average relative humidity in December is 85%.Rainfall
In December, the rain falls for 10.9 days. Throughout December, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 163.7 rainfall days, and 32.05" (814mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Montrose, during December, snow falls for 15.5 days and regularly aggregates up to 7.52" (191mm) of snow. Throughout the year, there are 80.1 snowfall days, and 41.93" (1065mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:42 pm EST.
Sunshine
In Montrose, the average sunshine in December is 3.2h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Montrose, PA
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Montrose, PA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Montrose, PA
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Montrose, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).
Average rainfall in December
Montrose, PA
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in December
Montrose, PA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in December
Montrose, PA
- Average snowfall in December: 7.52"
The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Montrose, PA
- Average snowfall days in December: 15.5 days
The months with the highest number of snowfall days are January and February (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Montrose, PA
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in December
Montrose, PA
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in December
Montrose, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Montrose, PA
- Average cloud cover in December: 68
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
Montrose, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
