December weather forecast
Clarks Corner, CT

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Weather in December

The first month of the winter, December, is still a cold month in Clarks Corner, Connecticut, with temperature in the range of an average high of 39.2°F (4°C) and an average low of 28.2°F (-2.1°C).

Temperature

December suggests a modest reduction in the average high-temperature, shifting from a frosty 49.1°F (9.5°C) in November to a cold 39.2°F (4°C). In the month of December, the average temperature dips to a freezing cold 28.2°F (-2.1°C) during the night.

Humidity

The average relative humidity in December is 78%.

Rainfall

In Clarks Corner, Connecticut, in December, during 8.3 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 112.3 rainfall days, and 9.33" (237mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Clarks Corner. In December, it is snowing for 4.1 days. Throughout December, 0.63" (16mm) of snow is accumulated. In Clarks Corner, during the entire year, snow falls for 21.5 days and aggregates up to 3.15" (80mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:56 am and sunset at 4:18 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:27 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 4.7h of sunshine.

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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

Is it cold during December?

The high-temperature during December is 39.2°F (4°C) and the low-temperature is 28.2°F (-2.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in July is evaluated at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

How many days does it rain in December in Clarks Corner?

In Clarks Corner, in December, it is raining for 8.3 days, with typically 0.98" (25mm) of accumulated precipitation.

How many days does it snow in December?

In Clarks Corner, in December, during 4.1 snowfall days, 0.63" (16mm) of snow is typically accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Clarks Corner have in December?

In Clarks Corner, the average day length in December is 9h and 12min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:56 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:27 pm EST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 4.7h of sunshine.

How many hours of sunshine does Clarks Corner have in December?

The average sunshine duration in December is 4.7h.

What are the months 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.

What is the UV index intensity in December?

In Clarks Corner, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Clarks Corner, CT

Average temperature in December - Clarks Corner, CT
  • Average high temperature in December: 39.2°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in December: 28.2°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in December
Clarks Corner, CT

Average pressure in December - Clarks Corner, CT
  • 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 (29.93"Hg).

Average wind speed in December
Clarks Corner, CT

Average wind speed in December - Clarks Corner, CT
  • Average wind speed in December: 8.4mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Clarks Corner, CT

Average humidity in December - Clarks Corner, CT
  • Average humidity in December: 78%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).

Average rainfall in December
Clarks Corner, CT

Average rainfall in December - Clarks Corner, CT
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is July (1.14").
The driest month (with the least rainfall) is September (0.39").

Average rainfall days in December
Clarks Corner, CT

Average rainfall days in December - Clarks Corner, CT
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is July (13.4 days).
The month with the least rainy days is January (5.6 days).

Average snowfall in December
Clarks Corner, CT

Average snowfall in December - Clarks Corner, CT
  • Average snowfall in December: 0.63"

The month with the highest snowfall is March (0.94").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Clarks Corner, CT

Average snowfall days in December - Clarks Corner, CT
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Clarks Corner, CT

Average daylight in December / Average sunshine in December - Clarks Corner, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in December
Clarks Corner, CT

Average sunshine days in December - Clarks Corner, CT
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (14.9 days).

Average UV index in December
Clarks Corner, CT

Average UV index in December - Clarks Corner, CT
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (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
Clarks Corner, CT

Average cloud cover in December - Clarks Corner, CT
  • Average cloud cover in December: 48

The months with the most cloud cover are February, March, May and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Clarks Corner, CT

Average visibility in December - Clarks Corner, CT
  • Average visibility in December: 6mi

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

Clarks Corner, Connecticut, USA

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