December weather forecast
South Montrose, PA

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Weather in December

December, the first month of the winter in South Montrose, is also a wintry month, with an average temperature varying between 24.6°F (-4.1°C) and 34.3°F (1.3°C).

Temperature

With December's arrival, South Montrose sees a decrease in average high-temperatures, moving from a frosty 44.2°F (6.8°C) in November to an icy 34.3°F (1.3°C). In South Montrose, December nights witness a steady temperature drop to a freezing cold 24.6°F (-4.1°C).

Humidity

The average relative humidity in December in South Montrose, Pennsylvania, is 85%.

Rainfall

In South Montrose, in December, during 10.9 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In South Montrose, during the entire year, the rain falls for 163.7 days and collects up to 32.05" (814mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 15.5 days. Throughout December, 7.52" (191mm) of snow is accumulated. 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 the month, sunrise is at 7:12 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:42 pm EST.

Sunshine

In December, the average sunshine 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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 1 during December morphs into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in South Montrose?

The high-temperature, in December, in South Montrose, is 34.3°F (1.3°C), while the low-temperature averages to 24.6°F (-4.1°C).

What is the average humidity in December?

In South Montrose, the average relative humidity in December is 85%.

How many days does it rain in December?

In December, the rain falls for 10.9 days. Throughout December, 2.36" (60mm) of precipitation is accumulated.

How much does it snow in December?

In South Montrose, in December, snow falls for 15.5 days, with typically accumulated 7.52" (191mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

How many hours of daylight does South Montrose have in December?

In South Montrose, Pennsylvania, the average day length in December is 9h and 12min.

What time are sunrise and sunset in December?

In December, on the first day of the month, 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.

How many hours of sunshine does South Montrose have in December?

The average sunshine duration in December is 3.2h.

What is the month with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index reading in December in South Montrose?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
South Montrose, PA

Average temperature in December - South 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
South Montrose, PA

Average pressure in December - South 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
South Montrose, PA

Average wind speed in December - South 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
South Montrose, PA

Average humidity in December - South 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
South Montrose, PA

Average rainfall in December - South 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
South Montrose, PA

Average rainfall days in December - South 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
South Montrose, PA

Average snowfall in December - South 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
South Montrose, PA

Average snowfall days in December - South 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
South Montrose, PA

Average daylight in December / Average sunshine in December - South Montrose, PA
  • Average daylight in December: 9h and 1min

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 1min

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
South Montrose, PA

Average sunshine days in December - South 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
South Montrose, PA

Average UV index in December - South 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
South Montrose, PA

Average cloud cover in December - South 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
South Montrose, PA

Average visibility in December - South 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).

South Montrose, Pennsylvania, USA

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