December weather forecast
Stamford, NY

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Weather in December

December, the first month of the winter in Stamford, is also an icy month, with an average temperature ranging between max 32°F (0°C) and min 21.7°F (-5.7°C).

Temperature

December suggests a modest reduction in the average high-temperature, shifting from an icy 41.9°F (5.5°C) in November to a still wintry 32°F (0°C). Stamford, in December, observes a steady average low-temperature of 21.7°F (-5.7°C).

Humidity

The months with the highest humidity in Stamford, New York, are February and December, with an average relative humidity of 87%.

Rainfall

In December, the rain falls for 8.4 days. Throughout December, 2.05" (52mm) of precipitation is accumulated. Throughout the year, in Stamford, there are 150.7 rainfall days, and 27.83" (707mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 18 days and typically aggregates up to 9.84" (250mm) of snow.

Daylight

December has the shortest days of the year in Stamford, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:26 pm. On the last day of December, in Stamford, New York, sunrise is at 7:27 am and sunset at 4:35 pm EST.

Sunshine

In Stamford, the average sunshine in December is 3h.

UV index

January through March, November 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 minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 1 in December leads to these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

How cold is it in Stamford in December?

December temperatures in Stamford vary between a high-temperature of 32°F (0°C) and a low-temperature of 21.7°F (-5.7°C).

What are the most humid months in Stamford?

The months with the highest humidity in Stamford are February and December, with an average relative humidity of 87%.

What is the average humidity in December in Stamford?

The average relative humidity in December in Stamford, New York, is 87%.

How many days does it rain in December in Stamford?

In Stamford, in December, during 8.4 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

What is the snowiest month in Stamford?

December is the month with the most snowfall. Snow falls for 18 days and accumulates 9.84" (250mm) of snow.

How much does it snow in Stamford in December?

In Stamford, New York, in December, during 18 snowfall days, 9.84" (250mm) of snow is typically accumulated.

What is the month with the shortest days in Stamford?

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

How many hours of daylight does Stamford have in December?

In Stamford, the average day length in December is 9h and 8min.

What time are sunrise and sunset in December in Stamford?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:26 pm. On the last day of the month, in Stamford, sunrise is at 7:27 am and sunset at 4:35 pm EST.

How many hours of sunshine does Stamford have in December?

The average sunshine duration in December in Stamford is 3h.

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

The months with the lowest UV index in Stamford are January through March, November and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Stamford?

The average daily maximum UV index in December in Stamford, New York, is 1. A UV Index estimate of 2, and below, represents a low health risk 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
Stamford, NY

Average temperature in December - Stamford, NY
  • Average high temperature in December: 32°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in December: 21.7°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

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Average pressure in December
Stamford, NY

Average pressure in December - Stamford, 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
Stamford, NY

Average wind speed in December - Stamford, NY
  • Average wind speed in December: 8.7mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Stamford, NY

Average humidity in December - Stamford, NY
  • Average humidity in December: 87%

The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are April, May, June and July (80%).

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Average rainfall in December
Stamford, NY

Average rainfall in December - Stamford, NY
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is January (1.5").

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Average rainfall days in December
Stamford, NY

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

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (4.6 days).

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Average snowfall in December
Stamford, NY

Average snowfall in December - Stamford, NY
  • Average snowfall in December: 9.84"

The month with the highest snowfall is December (9.84").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Stamford, NY

Average snowfall days in December - Stamford, NY
  • Average snowfall days in December: 18 days

The month with the highest number of snowfall days is January (19 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
Stamford, NY

Average daylight in December / Average sunshine in December - Stamford, NY
  • 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 6min).

  • Average sunshine in December: 3h and 0min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).

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Average sunshine days in December
Stamford, NY

Average sunshine days in December - Stamford, NY
  • Average sunshine days in December: 9.3 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (7.5 days).

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Average UV index in December
Stamford, NY

Average UV index in December - Stamford, NY
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

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Average cloud cover in December
Stamford, NY

Average cloud cover in December - Stamford, NY
  • Average cloud cover in December: 71

The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 42).

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Average visibility in December
Stamford, NY

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

The months with the highest visibility are January, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February, March and September (4mi).

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Stamford, New York, USA

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