December weather forecast
Ridgefield, CT

Weather in December

December, the first month of the winter in Ridgefield, is still a cold month, with temperature in the range of an average high of 39.6°F (4.2°C) and an average low of 29.3°F (-1.5°C).

Temperature

In December, the average high-temperature drops from a frosty 48.7°F (9.3°C) in November to a cold 39.6°F (4.2°C). In Ridgefield, in December, the average low-temperature is 29.3°F (-1.5°C).

Humidity

In December, the average relative humidity in Ridgefield, Connecticut, is 78%.

Rainfall

In Ridgefield, during 8.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 123.7 rainfall days, and 11.65" (296mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 4.1 days. Throughout December, 0.55" (14mm) of snow is accumulated. Throughout the year, there are 20.5 snowfall days, and 2.68" (68mm) of snow is accumulated.

Daylight

The month with the shortest days in Ridgefield, Connecticut, is December, with an average of 9h and 16min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:34 pm EST.

Sunshine

In Ridgefield, the average sunshine in December is 4.7h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index in Ridgefield. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Ridgefield?

In December, the average relative humidity in Ridgefield is 78%.

How many days does it rain in December in Ridgefield?

In December, in Ridgefield, the rain falls for 8.1 days. Throughout December, 1.02" (26mm) of precipitation is accumulated.

How much does it snow in Ridgefield in December?

In December, in Ridgefield, Connecticut, it is snowing for 4.1 days. Throughout December, 0.55" (14mm) of snow is accumulated.

What is the month with the shortest days in Ridgefield?

The month with the shortest days in Ridgefield is December, with an average of 9h and 16min of daylight.

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

The average day length in December in Ridgefield is 9h and 16min.

When are sunrise and sunset in December in Ridgefield?

In December, on the first day of the month, sunrise is at 7:00 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:34 pm EST.

How many hours of sunshine does Ridgefield have in December?

In December, the average sunshine duration is 4.7h.

When is the lowest UV index in Ridgefield?

December is the month with the lowest UV index, with an average maximum UV index of 1.

How high is the UV index in December in Ridgefield?

In Ridgefield, Connecticut, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes 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
Ridgefield, CT

Average temperature in December - Ridgefield, CT
  • Average high temperature in December: 39.6°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in December
Ridgefield, CT

Average pressure in December - Ridgefield, 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).

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Average wind speed in December
Ridgefield, CT

Average wind speed in December - Ridgefield, CT
  • Average wind speed in December: 7.8mph

The windiest months (with the highest average wind speed) are January and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Ridgefield, CT

Average humidity in December - Ridgefield, CT
  • Average humidity in December: 78%

The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in December
Ridgefield, CT

Average rainfall in December - Ridgefield, CT
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are January and February (0.55").

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Average rainfall days in December
Ridgefield, CT

Average rainfall days in December - Ridgefield, CT
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall in December
Ridgefield, CT

Average snowfall in December - Ridgefield, CT
  • Average snowfall in December: 0.55"

The months with the highest snowfall are January and February (0.75").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Ridgefield, CT

Average snowfall days in December - Ridgefield, CT
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is February (5.7 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
Ridgefield, CT

Average daylight in December / Average sunshine in December - Ridgefield, CT
  • Average daylight in December: 9h and 16min

The month with the longest days is June (Average daylight: 15h and 7min).
The month with the shortest days is December (Average daylight: 9h and 16min).

  • Average sunshine in December: 4h and 42min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in December
Ridgefield, CT

Average sunshine days in December - Ridgefield, CT
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is June (13.3 days).

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Average UV index in December
Ridgefield, CT

Average UV index in December - Ridgefield, CT
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Ridgefield, CT

Average cloud cover in December - Ridgefield, CT
  • Average cloud cover in December: 50

The months with the most cloud cover are February, March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in December
Ridgefield, CT

Average visibility in December - Ridgefield, CT
  • Average visibility in December: 6mi

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

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