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 onset of December comes with a shift in the average high-temperature, falling from a frosty 43.7°F (6.5°C) in November to a cold 34.2°F (1.2°C). Marshlands's temperature in December lowers to a consistent average of 24.1°F (-4.4°C) during the nights.Humidity
In Marshlands, the average relative humidity in December is 86%.Rainfall
In Marshlands, during December, the rain falls for 11.8 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Marshlands, Pennsylvania, during the entire year, the rain falls for 174 days and collects up to 30.83" (783mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Marshlands, it is snowing for 18 days. Throughout December, 7.95" (202mm) of snow is accumulated. In Marshlands, during the entire year, snow falls for 86.8 days and aggregates up to 41.54" (1055mm) of snow.Daylight
The month with the shortest days in Marshlands is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:49 pm EST.
Sunshine
January and December, with an average of 2.9h of sunshine, are months with the least sunshine in Marshlands.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Marshlands. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is it in Marshlands in December?
What is the average humidity in December in Marshlands?
How many days does it rain in December in Marshlands?
How much does it snow in Marshlands in December?
What is the month with the shortest days in Marshlands?
What is the average length of the day in December in Marshlands?
What time are sunrise and sunset in December in Marshlands?
What are the months with the least sunshine in Marshlands?
How many hours of sunshine does Marshlands have in December?
When is the lowest UV index in Marshlands?
What is the UV index intensity in December in Marshlands?
Average temperature in December
Marshlands, PA
- Average high temperature in December: 34.2°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Marshlands, 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
Marshlands, 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 (5.7mph).
Average humidity in December
Marshlands, PA
- Average humidity in December: 86%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in December
Marshlands, PA
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Marshlands, PA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in December
Marshlands, PA
- Average snowfall in December: 7.95"
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
Marshlands, PA
- Average snowfall days in December: 18 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Marshlands, 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: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 2h and 54min).
Average sunshine days in December
Marshlands, PA
- Average sunshine days in December: 7 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in December
Marshlands, 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
Marshlands, PA
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 41).
Average visibility in December
Marshlands, PA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
Marshlands, Pennsylvania, USA
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