December weather forecastMontgomery, NY

December

Weather in December

The first month of the winter, December, is still a cold month in Montgomery, New York, with an average temperature varying between 38.1°F (3.4°C) and 26.1°F (-3.3°C).

Temperature

The commencement of December involves a temperature shift, with the average high-temperature dropping from a chilly 48.2°F (9°C) in November to an icy 38.1°F (3.4°C). Montgomery temperatures generally rest at a low of 26.1°F (-3.3°C) during the December nights.

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 82%.

Rainfall

December is the month with the most rainfall. Rain falls for 10.5 days and accumulates 3.23" (82mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Montgomery. In December, it is snowing for 7.1 days. Throughout December, 4.09" (104mm) of snow is accumulated. In Montgomery, during the entire year, snow falls for 37.2 days and aggregates up to 21.46" (545mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:37 pm EST.

Sunshine

The average sunshine in December is 4.6h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Around midday, solar radiation is most harmful; hence, exposure should be limited. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

In December, the average high-temperature and low-temperature are 38.1°F (3.4°C) and 26.1°F (-3.3°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 86°F (30°C).

The months with the highest humidity are February and December, with an average relative humidity of 82%.

In Montgomery, the average relative humidity in December is 82%.

December is the month with the most rainfall. Rain falls for 10.5 days and accumulates 3.23" (82mm) of precipitation.

In Montgomery, in December, during 10.5 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

In Montgomery, in December, snow falls for 7.1 days, with typically accumulated 4.09" (104mm) of snow.

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

In Montgomery, the average day length in December is 9h and 14min.

On the first day of December, sunrise is at 7:04 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:37 pm EST.

In December, the average sunshine duration is 4.6h.

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

The average daily maximum UV index in December in Montgomery is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Montgomery, NY

  • Average high temperature in December: 38.1°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 (32.4°F).

  • Average low temperature in December: 26.1°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

Average pressure in December
Montgomery, 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).

Average wind speed in December
Montgomery, NY

  • Average wind speed in December: 6.2mph

The windiest months (with the highest average wind speed) are February and March (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December
Montgomery, NY

  • Average humidity in December: 82%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (75%).

Average rainfall in December
Montgomery, NY

  • Average rainfall in December: 3.23"

The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in December
Montgomery, NY

  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (7.8 days).

Average snowfall in December
Montgomery, NY

  • Average snowfall in December: 4.09"

The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Montgomery, NY

  • Average snowfall days in December: 7.1 days

The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 9h and 12min

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 12min).

  • Average sunshine in December: 4h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in December
Montgomery, NY

  • Average sunshine days in December: 15.8 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is April (11.8 days).

Average UV index in December
Montgomery, NY

  • Average UV index in December: 2

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

Average cloud cover in December
Montgomery, NY

  • 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 36).

Average visibility in December
Montgomery, NY

  • Average visibility in December: 5mi

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