December weather forecast
Georgetown, CT

Weather in December

December, the first month of the winter in Georgetown, is still a cold month, with an average temperature varying between 40.3°F (4.6°C) and 31.3°F (-0.4°C).

Temperature

In Georgetown, Connecticut, the average high-temperature in December drops from a frosty 49.6°F (9.8°C) in November to a wintry 40.3°F (4.6°C). In December, the average low-temperature is 31.3°F (-0.4°C).

Humidity

The average relative humidity in December in Georgetown, Connecticut, is 76%.

Rainfall

The month with the most rainfall is December, when the rain falls for 12.3 days and typically aggregates up to 4.21" (107mm) of precipitation.

Snowfall

Months with snowfall in Georgetown, Connecticut, are January through May, November and December. In Georgetown, snow falls for 5.1 days, with typically accumulated 2.68" (68mm) of snow. Throughout the year, there are 30.3 snowfall days, and 13.19" (335mm) of snow is accumulated.

Daylight

With an average of 9h and 16min of daylight, December has the shortest days of the year.
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

The average sunshine in December is 4.9h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Georgetown. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Georgetown?

In Georgetown, the average relative humidity in December is 76%.

What is the rainiest month in Georgetown?

The month with the most rainfall in Georgetown, Connecticut, is December, when the rain falls for 12.3 days and typically aggregates up to 4.21" (107mm) of precipitation.

How many days does it rain in December in Georgetown?

In Georgetown, in December, during 12.3 rainfall days, 4.21" (107mm) of precipitation is typically accumulated.

How much does it snow in Georgetown in December?

In Georgetown, Connecticut, in December, snow falls for 5.1 days, with typically accumulated 2.68" (68mm) of snow.

What is the month with the shortest days in Georgetown?

December has the shortest days of the year in Georgetown, Connecticut, with an average of 9h and 16min of daylight.

How many hours of daylight does Georgetown have in December?

In December, the average day length in Georgetown, Connecticut, is 9h and 16min.

When is the sunrise / sunset in December in Georgetown?

On the first day of December in Georgetown, Connecticut, 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 long on average sun shines in December in Georgetown?

In December, the average sunshine duration in Georgetown is 4.9h.

When is the lowest UV index in Georgetown?

The months with the lowest UV index in Georgetown, Connecticut, are January through March, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Georgetown?

In Georgetown, Connecticut, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from 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
Georgetown, CT

Average temperature in December - Georgetown, CT
  • Average high temperature in December: 40.3°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in December: 31.3°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 (24.4°F).

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Average pressure in December
Georgetown, CT

Average pressure in December - Georgetown, 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
Georgetown, CT

Average wind speed in December - Georgetown, CT
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in December
Georgetown, CT

Average humidity in December - Georgetown, CT
  • Average humidity in December: 76%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in December
Georgetown, CT

Average rainfall in December - Georgetown, CT
  • Average rainfall in December: 4.21"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is January (2.52").

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Average rainfall days in December
Georgetown, CT

Average rainfall days in December - Georgetown, CT
  • Average rainfall days in December: 12.3 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall in December
Georgetown, CT

Average snowfall in December - Georgetown, CT
  • Average snowfall in December: 2.68"

The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Georgetown, CT

Average snowfall days in December - Georgetown, CT
  • Average snowfall days in December: 5.1 days

The month with the highest number of snowfall days is February (9 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
Georgetown, CT

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

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 16min).

  • Average sunshine in December: 4h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Georgetown, CT

Average sunshine days in December - Georgetown, CT
  • Average sunshine days in December: 14.4 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (10.2 days).

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Average UV index in December
Georgetown, CT

Average UV index in December - Georgetown, 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).

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Average cloud cover in December
Georgetown, CT

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

The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Georgetown, CT

Average visibility in December - Georgetown, 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).

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