December weather forecast
Monroe, NY

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Weather in December

The first month of the winter, December, is also an icy month in Monroe, New York, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 38.8°F (3.8°C).

Temperature

Arrival of December comes with a reduction in the average high-temperature, falling from a frosty 48.6°F (9.2°C) in November to a wintry 38.8°F (3.8°C). Monroe reports an average nighttime low-temperature of 27.3°F (-2.6°C) in December.

Humidity

The months with the highest humidity in Monroe are February and December, with an average relative humidity of 81%.

Rainfall

In Monroe, in December, it is raining for 8.4 days, with typically 2.32" (59mm) of accumulated precipitation. In Monroe, during the entire year, the rain falls for 141.2 days and collects up to 25" (635mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Monroe, in December, during 4.9 snowfall days, 2.83" (72mm) of snow is typically accumulated. In Monroe, during the entire year, snow falls for 28.3 days and aggregates up to 17.68" (449mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:28 pm. On the last day of December, in Monroe, sunrise is at 7:22 am and sunset at 4:37 pm EST.

Sunshine

In December, the average sunshine in Monroe is 4.7h.

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 low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

How cold is December in Monroe?

In December, the average high-temperature and low-temperature in Monroe are 38.8°F (3.8°C) and 27.3°F (-2.6°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in August is estimated at 86°F (30°C).

What are the most humid months in Monroe?

The months with the highest humidity are February and December, with an average relative humidity of 81%.

What is the average humidity in December in Monroe?

In Monroe, New York, the average relative humidity in December is 81%.

How many days does it rain in December in Monroe?

In December, in Monroe, New York, the rain falls for 8.4 days. Throughout December, 2.32" (59mm) of precipitation is accumulated.

How much does it snow in Monroe in December?

In Monroe, New York, during December, snow falls for 4.9 days and regularly aggregates up to 2.83" (72mm) of snow.

What is the month with the shortest days in Monroe?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Monroe, New York.

How many hours of daylight does Monroe have in December?

The average day length in December in Monroe, New York, is 9h and 15min.

When is the sunrise / sunset in December in Monroe?

On the first day of December, sunrise is at 7:03 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:37 pm EST.

How many hours of sunshine does Monroe have in December?

In December, the average sunshine duration in Monroe is 4.7h.

What are the months with the lowest UV index in Monroe?

The months with the lowest UV index in Monroe are January through March, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Monroe?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from 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
Monroe, NY

Average temperature in December - Monroe, NY
  • Average high temperature in December: 38.8°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in December
Monroe, NY

Average pressure in December - Monroe, NY
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Monroe, NY

Average wind speed in December - Monroe, NY
  • Average wind speed in December: 6.5mph

The windiest months (with the highest average wind speed) are January, February and March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity in December
Monroe, NY

Average humidity in December - Monroe, NY
  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in December
Monroe, NY

Average rainfall in December - Monroe, NY
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in December
Monroe, NY

Average rainfall days in December - Monroe, NY
  • Average rainfall days in December: 8.4 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall in December
Monroe, NY

Average snowfall in December - Monroe, NY
  • Average snowfall in December: 2.83"

The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Monroe, NY

Average snowfall days in December - Monroe, NY
  • Average snowfall days in December: 4.9 days

The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Monroe, NY
  • 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in December
Monroe, NY

Average sunshine days in December - Monroe, NY
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in December
Monroe, NY

Average UV index in December - Monroe, NY
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
Monroe, NY

Average cloud cover in December - Monroe, NY
  • Average cloud cover in December: 48

The months with the most cloud cover are February and March (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in December
Monroe, NY

Average visibility in December - Monroe, NY
  • Average visibility in December: 6mi

The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).

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Monroe, New York, USA

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