December weather forecast
Munnsville, NY

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Weather in December

The first month of the winter, December, is also an icy month in Munnsville, New York, with an average temperature varying between 24.3°F (-4.3°C) and 33.3°F (0.7°C).

Temperature

Observing a mild shift, the average high-temperature during December reduces from November's frosty 43.7°F (6.5°C) to a wintry 33.3°F (0.7°C). Munnsville's December nights demonstrate minimal variation from the daytime temperatures, with an average of 24.3°F (-4.3°C).

Humidity

In December, the average relative humidity is 86%.

Rainfall

In Munnsville, in December, during 9.1 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, there are 161.6 rainfall days, and 36.02" (915mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Munnsville, during December, snow falls for 15.9 days and regularly aggregates up to 10.2" (259mm) of snow. Throughout the year, there are 88.2 snowfall days, and 50.98" (1295mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of December, sunrise is at 7:14 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:37 pm EST.

Sunshine

The average sunshine in December is 3h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 1 translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In Munnsville, 33.3°F (0.7°C) is the average high-temperature and 24.3°F (-4.3°C) is the average low-temperature during December.

What is the average humidity in December?

In December, the average relative humidity is 86%.

How much does it rain in December?

In December, the rain falls for 9.1 days. Throughout December, 3.03" (77mm) of precipitation is accumulated.

How many days does it snow in December?

In December, in Munnsville, it is snowing for 15.9 days. Throughout December, 10.2" (259mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 6min of daylight, December has the shortest days of the year.

How many hours of daylight does Munnsville have in December?

The average day length in December is 9h and 4min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:37 pm EST.

How many hours of sunshine does Munnsville have in December?

The average sunshine duration in December is 3h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
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
Munnsville, NY

Average temperature in December - Munnsville, NY
  • Average high temperature in December: 33.3°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in December: 24.3°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

Average pressure in December
Munnsville, NY

Average pressure in December - Munnsville, NY
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Munnsville, NY

Average wind speed in December - Munnsville, NY
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in December
Munnsville, NY

Average humidity in December - Munnsville, NY
  • Average humidity in December: 86%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).

Average rainfall in December
Munnsville, NY

Average rainfall in December - Munnsville, NY
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is April (3.66").
The driest month (with the least rainfall) is September (2.32").

Average rainfall days in December
Munnsville, NY

Average rainfall days in December - Munnsville, NY
  • Average rainfall days in December: 9.1 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in December
Munnsville, NY

Average snowfall in December - Munnsville, NY
  • Average snowfall in December: 10.2"

The month with the highest snowfall is February (10.39").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Munnsville, NY

Average snowfall days in December - Munnsville, NY
  • Average snowfall days in December: 15.9 days

The month with the highest number of snowfall days is January (19.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Munnsville, NY

Average daylight in December / Average sunshine in December - Munnsville, NY
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 3h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

Average sunshine days in December
Munnsville, NY

Average sunshine days in December - Munnsville, NY
  • Average sunshine days in December: 9.2 days

The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (6.7 days).

Average UV index in December
Munnsville, NY

Average UV index in December - Munnsville, NY
  • 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, February and December (UV index 1).

Average cloud cover in December
Munnsville, NY

Average cloud cover in December - Munnsville, NY
  • Average cloud cover in December: 70

The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 35).

Average visibility in December
Munnsville, NY

Average visibility in December - Munnsville, NY
  • Average visibility in December: 5mi

The month with the highest visibility is October (6mi).
The months with the lowest visibility are January and February (4mi).

Munnsville, New York, USA

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