December weather forecast
Mechanicville, NY

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Weather in December

The first month of the winter, December, is also a wintry month in Mechanicville, New York, with an average temperature ranging between max 34.3°F (1.3°C) and min 24.8°F (-4°C).

Temperature

The onset of December results in a decrease in the average high-temperature, receding from a frosty 45.3°F (7.4°C) in November to a wintry 34.3°F (1.3°C). Mechanicville observes an average nighttime temperature of 24.8°F (-4°C) during December.

Humidity

The average relative humidity in December is 81%.

Rainfall

In December, the rain falls for 11 days. Throughout December, 2.76" (70mm) of precipitation is accumulated. In Mechanicville, New York, during the entire year, the rain falls for 153.2 days and collects up to 30.12" (765mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Mechanicville, in December, during 8.2 snowfall days, 5.51" (140mm) of snow is typically accumulated. Throughout the year, there are 49.1 snowfall days, and 28.74" (730mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:06 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:30 pm EST.

Sunshine

The average sunshine in December is 4.3h.

UV index

The months with the lowest UV index in Mechanicville are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The average high-temperature, in December, in Mechanicville, is 34.3°F (1.3°C), while the average low-temperature is 24.8°F (-4°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

How much does it rain in December?

In Mechanicville, during December, the rain falls for 11 days and regularly aggregates up to 2.76" (70mm) of precipitation.

How much does it snow in Mechanicville in December?

In Mechanicville, in December, during 8.2 snowfall days, 5.51" (140mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 5min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:30 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.3h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Mechanicville, NY

Average temperature in December - Mechanicville, NY
  • Average high temperature in December: 34.3°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in December: 24.8°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in December
Mechanicville, NY

Average pressure in December - Mechanicville, 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
Mechanicville, NY

Average wind speed in December - Mechanicville, NY
  • Average wind speed in December: 7.3mph

The windiest months (with the highest average wind speed) are January and April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Mechanicville, NY

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

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).

Average rainfall in December
Mechanicville, NY

Average rainfall in December - Mechanicville, NY
  • Average rainfall in December: 2.76"

The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December
Mechanicville, NY

Average rainfall days in December - Mechanicville, NY
  • Average rainfall days in December: 11 days

The months with the highest number of rainy days are April and May (16.1 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in December
Mechanicville, NY

Average snowfall in December - Mechanicville, NY
  • Average snowfall in December: 5.51"

The month with the highest snowfall is January (8.19").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Mechanicville, NY

Average snowfall days in December - Mechanicville, NY
  • Average snowfall days in December: 8.2 days

The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Mechanicville, 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: 4h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in December
Mechanicville, NY

Average sunshine days in December - Mechanicville, NY
  • Average sunshine days in December: 14.3 days

The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is February (11.3 days).

Average UV index in December
Mechanicville, NY

Average UV index in December - Mechanicville, 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 and December (UV index 1).

Average cloud cover in December
Mechanicville, NY

Average cloud cover in December - Mechanicville, NY
  • Average cloud cover in December: 54

The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in December
Mechanicville, NY

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

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

Mechanicville, New York, USA

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