December weather forecastMontandon, PA
December
Weather in December
December, the first month of the winter in Montandon, is still a cold month, with an average temperature ranging between max 38.5°F (3.6°C) and min 27.9°F (-2.3°C).Temperature
In Montandon, the beginning of December is marked by a lowered average high-temperature, shifting from November's chilly 48°F (8.9°C) to a wintry 38.5°F (3.6°C). During December, the nighttime temperature averages of 27.9°F (-2.3°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In December, the rain falls for 10.2 days. Throughout December, 1.85" (47mm) of precipitation is accumulated. In Montandon, during the entire year, the rain falls for 153 days and collects up to 27.05" (687mm) of precipitation.Snowfall
Months with snowfall in Montandon are January through May, October through December. In Montandon, in December, snow falls for 7.4 days, with typically accumulated 1.93" (49mm) of snow. In Montandon, during the entire year, snow falls for 36.8 days and aggregates up to 16.81" (427mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:49 pm EST.
Sunshine
In Montandon, the average sunshine in December is 4.2h.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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Montandon, PA
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Montandon, 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
Montandon, PA
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Montandon, PA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Montandon, PA
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in December
Montandon, PA
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Montandon, PA
- Average snowfall in December: 1.93"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Montandon, PA
- Average snowfall days in December: 7.4 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Montandon, PA
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in December
Montandon, PA
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Montandon, PA
- Average UV index in December: 2
The months with the highest UV index are June and July (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
Montandon, PA
- Average cloud cover in December: 56
The months with the most cloud cover are January, February and December (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Montandon, PA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).





