December weather forecast
Hartford, NY

Weather in December

The first month of the winter, December, is still a cold month in Hartford, New York, with an average temperature ranging between max 32.7°F (0.4°C) and min 23°F (-5°C).

Temperature

In December, the average high-temperature decreases from a frosty 43.7°F (6.5°C) in November to a cold 32.7°F (0.4°C). In December, the average low-temperature is 23°F (-5°C).

Humidity

In Hartford, the average relative humidity in December is 81%.

Rainfall

In Hartford, during 11.9 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, in Hartford, New York, there are 159.1 rainfall days, and 29.69" (754mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Hartford. In Hartford, during 11.5 snowfall days, 6.18" (157mm) of snow is typically accumulated. Throughout the year, in Hartford, New York, there are 64.7 snowfall days, and 36.81" (935mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Hartford, with an average of 9h and 2min of daylight.
On the first day of December in Hartford, New York, sunrise is at 7:06 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:27 pm EST.

Sunshine

The average sunshine in December is 4.3h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Hartford?

The average high-temperature, in December, is 32.7°F (0.4°C), while the average low-temperature is 23°F (-5°C).

What is the average humidity in December in Hartford?

In December, the average relative humidity is 81%.

How much does it rain in Hartford in December?

In Hartford, New York, during December, the rain falls for 11.9 days and regularly aggregates up to 2.64" (67mm) of precipitation.

How many days does it snow in December in Hartford?

In Hartford, during December, snow falls for 11.5 days and regularly aggregates up to 6.18" (157mm) of snow.

What is the month with the shortest days in Hartford?

December has the shortest days of the year in Hartford, with an average of 9h and 2min of daylight.

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

The average day length in December in Hartford is 9h and 2min.

When is the sunrise / sunset in December in Hartford?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:19 pm. On the last day of the month, in Hartford, New York, sunrise is at 7:25 am and sunset at 4:27 pm EST.

How many hours of sunshine does Hartford have in December?

The average sunshine duration in December is 4.3h.

When is the lowest UV index in Hartford?

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

What is the UV index intensity in December in Hartford?

In Hartford, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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
Hartford, NY

Average temperature in December - Hartford, NY
  • Average high temperature in December: 32.7°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in December: 23°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 (15.1°F).

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Average pressure in December
Hartford, NY

Average pressure in December - Hartford, NY
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Hartford, NY

Average wind speed in December - Hartford, NY
  • Average wind speed in December: 6.7mph

The windiest months (with the highest average wind speed) are January and April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Hartford, NY

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

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in December
Hartford, NY

Average rainfall in December - Hartford, NY
  • Average rainfall in December: 2.64"

The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in December
Hartford, NY

Average rainfall days in December - Hartford, NY
  • Average rainfall days in December: 11.9 days

The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (7.9 days).

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Average snowfall in December
Hartford, NY

Average snowfall in December - Hartford, NY
  • Average snowfall in December: 6.18"

The month with the highest snowfall is February (10.59").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Hartford, NY

Average snowfall days in December - Hartford, NY
  • Average snowfall days in December: 11.5 days

The month with the highest number of snowfall days is January (16.3 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
Hartford, NY

Average daylight in December / Average sunshine in December - Hartford, NY
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

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Average sunshine days in December
Hartford, NY

Average sunshine days in December - Hartford, NY
  • Average sunshine days in December: 13.4 days

The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (10.8 days).

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Average UV index in December
Hartford, NY

Average UV index in December - Hartford, 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).

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Average cloud cover in December
Hartford, NY

Average cloud cover in December - Hartford, NY
  • Average cloud cover in December: 55

The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July, August and September (Cloud cover 34).

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Average visibility in December
Hartford, NY

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

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

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