Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a chilly 48.6°F (9.2°C) in November to an icy 39°F (3.9°C). The average temperature in Rossland drops to a freezing cold 28°F (-2.2°C) during the night in the month of December.Humidity
The average relative humidity in December in Rossland is 81%.Rainfall
In Rossland, in December, during 13.1 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, in Rossland, there are 167 rainfall days, and 33.5" (851mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Rossland. In Rossland, in December, during 6.1 snowfall days, 3.19" (81mm) of snow is typically accumulated. Throughout the year, there are 33.8 snowfall days, and 17.91" (455mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December in Rossland, sunrise is at 7:07 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:43 pm EST.
Sunshine
The average sunshine in December is 4.7h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Enhance your sun protection with tightly woven, yet airy clothing. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
Is December cold in Rossland?
What is the average humidity in December in Rossland?
How many days does it rain in December in Rossland?
How much does it snow in Rossland in December?
What is the month with the shortest days in Rossland?
How many hours of daylight does Rossland have in December?
What time are sunrise and sunset in December in Rossland?
How many hours of sunshine does Rossland have in December?
When is the lowest UV index in Rossland?
How high is the UV index in December in Rossland?
Average temperature in December
Rossland, PA
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in December
Rossland, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Rossland, PA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Rossland, 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
Rossland, PA
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Rossland, PA
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in December
Rossland, PA
- Average snowfall in December: 3.19"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rossland, PA
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rossland, PA
- Average daylight in December: 9h and 2min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Rossland, PA
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Rossland, 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
Rossland, PA
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Rossland, 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).
Rossland, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
