December weather forecast
Centerbrook, CT

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Weather in December

December, the first month of the winter in Centerbrook, is also a wintry month, with an average temperature fluctuating between 41.9°F (5.5°C) and 32.4°F (0.2°C).

Temperature

With the onset of December, Centerbrook's climate undergoes a slight change as the average high-temperature moves from a fresh 50.7°F (10.4°C) in November to a wintry 41.9°F (5.5°C). Centerbrook's nighttime temperature in December drops to an average of 32.4°F (0.2°C).

Humidity

In Centerbrook, Connecticut, the average relative humidity in December is 75%.

Rainfall

The month with the most rainfall is December, when the rain falls for 13 days and typically aggregates up to 3.66" (93mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In December, it is snowing for 4.4 days. Throughout December, 1.34" (34mm) of snow is accumulated. In Centerbrook, during the entire year, snow falls for 24.2 days and aggregates up to 9.53" (242mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 6:56 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:30 pm EST.

Sunshine

The months with the least sunshine are February and December, with an average of 4.8h of sunshine.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

How cold does it get in December?

During December, Centerbrook experiences an average high-temperature of 41.9°F (5.5°C) and a low-temperature of 32.4°F (0.2°C).

What is the average humidity in December?

In December, the average relative humidity is 75%.

What is the wettest month?

December is the month with the most rainfall. Rain falls for 13 days and accumulates 3.66" (93mm) of precipitation.

How much does it rain in December?

In Centerbrook, in December, it is raining for 13 days, with typically 3.66" (93mm) of accumulated precipitation.

How much does it snow in December?

In Centerbrook, in December, during 4.4 snowfall days, 1.34" (34mm) 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.

What is the average length of the day in December?

In December, the average day length is 9h and 15min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:56 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:30 pm EST.

What are the months with the least sunshine?

The months with the least sunshine are February and December, with an average of 4.8h of sunshine.

How many hours of sunshine does Centerbrook have in December?

In December, the average sunshine duration is 4.8h.

When is 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?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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
Centerbrook, CT

Average temperature in December - Centerbrook, CT
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 32.4°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

Average pressure in December
Centerbrook, CT

Average pressure in December - Centerbrook, 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
Centerbrook, CT

Average wind speed in December - Centerbrook, CT
  • Average wind speed in December: 10.6mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in December
Centerbrook, CT

Average humidity in December - Centerbrook, CT
  • Average humidity in December: 75%

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).

Average rainfall in December
Centerbrook, CT

Average rainfall in December - Centerbrook, CT
  • Average rainfall in December: 3.66"

The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December
Centerbrook, CT

Average rainfall days in December - Centerbrook, CT
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).

Average snowfall in December
Centerbrook, CT

Average snowfall in December - Centerbrook, CT
  • Average snowfall in December: 1.34"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Centerbrook, CT

Average snowfall days in December - Centerbrook, CT
  • Average snowfall days in December: 4.4 days

The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Centerbrook, CT

Average daylight in December / Average sunshine in December - Centerbrook, CT
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in December
Centerbrook, CT

Average sunshine days in December - Centerbrook, CT
  • Average sunshine days in December: 14.8 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).

Average UV index in December
Centerbrook, CT

Average UV index in December - Centerbrook, 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
Centerbrook, CT

Average cloud cover in December - Centerbrook, CT
  • Average cloud cover in December: 48

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Centerbrook, CT

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

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

Centerbrook, Connecticut, USA

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