December weather forecast
New Hartford, CT

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Weather in December

The first month of the winter, December, is also an icy month in New Hartford, Connecticut, with an average temperature ranging between min 25.7°F (-3.5°C) and max 36.3°F (2.4°C).

Temperature

December ushers in a slight temperature change, with average high-temperatures reducing from November's frosty 46.6°F (8.1°C) to a cold 36.3°F (2.4°C). Nighttime temperatures in December average to a freezing cold 25.7°F (-3.5°C).

Humidity

In New Hartford, the average relative humidity in December is 80%.

Rainfall

In New Hartford, during December, the rain falls for 8.4 days and regularly aggregates up to 1.3" (33mm) of precipitation. In New Hartford, during the entire year, the rain falls for 134.4 days and collects up to 15.67" (398mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In New Hartford, in December, during 6 snowfall days, 1.3" (33mm) of snow is typically accumulated. Throughout the year, there are 33.4 snowfall days, and 7.32" (186mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:00 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:31 pm EST.

Sunshine

The average sunshine in December is 4.5h.

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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: An average UV index of 2 in December transforms into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

How cold is December?

An average high-temperature, in December, in New Hartford, is 36.3°F (2.4°C) and the average low-temperature is 25.7°F (-3.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in July is evaluated at 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 80%.

How many days does it rain in December?

In December, the rain falls for 8.4 days. Throughout December, 1.3" (33mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 6 days. Throughout December, 1.3" (33mm) of snow is accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December in New Hartford?

In December, the average day length is 9h and 11min.

When are sunrise and sunset in December in New Hartford?

On the first day of December, sunrise is at 7:00 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:31 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.5h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
New Hartford, CT

Average temperature in December - New Hartford, CT
  • Average high temperature in December: 36.3°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in December
New Hartford, CT

Average pressure in December - New Hartford, CT
  • 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 (29.93"Hg).

Average wind speed in December
New Hartford, CT

Average wind speed in December - New Hartford, CT
  • Average wind speed in December: 8.3mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in December
New Hartford, CT

Average humidity in December - New Hartford, CT
  • Average humidity in December: 80%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).

Average rainfall in December
New Hartford, CT

Average rainfall in December - New Hartford, CT
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in December
New Hartford, CT

Average rainfall days in December - New Hartford, CT
  • Average rainfall days in December: 8.4 days

The months with the highest number of rainy days are May and July (15.3 days).
The month with the least rainy days is February (5.9 days).

Average snowfall in December
New Hartford, CT

Average snowfall in December - New Hartford, CT
  • Average snowfall in December: 1.3"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
New Hartford, CT

Average snowfall days in December - New Hartford, CT
  • Average snowfall days in December: 6 days

The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
New Hartford, CT

Average daylight in December / Average sunshine in December - New Hartford, CT
  • 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: 4h and 3min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in December
New Hartford, CT

Average sunshine days in December - New Hartford, CT
  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is January (19.4 days).
The months with the least sunshine days are April and May (13.1 days).

Average UV index in December
New Hartford, CT

Average UV index in December - New Hartford, CT
  • 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
New Hartford, CT

Average cloud cover in December - New Hartford, CT
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in December
New Hartford, CT

Average visibility in December - New Hartford, CT
  • Average visibility in December: 6mi

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

New Hartford, Connecticut, USA

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