December weather forecast and climate
North Grosvenor Dale, CT

Weather in December

December, the first month of the winter, in North Grosvenor Dale, is also a wintry month, with average temperature fluctuating between 37.2°F (2.9°C) and 27°F (-2.8°C).

Temperature

In North Grosvenor Dale, the average high-temperature decreases, from a chilly 47.3°F (8.5°C) in November, to a cold 37.2°F (2.9°C). In December, the average low-temperature is 27°F (-2.8°C).

Humidity

In North Grosvenor Dale, Connecticut, the average relative humidity is 79%.

Rainfall

December is the month with the most rainfall. Rain falls for 10.9 days and accumulates 3.11" (79mm) of precipitation.

Snowfall

Months with snowfall in North Grosvenor Dale are January through May, October through December. In North Grosvenor Dale, in December, during 6.1 snowfall days, 3.39" (86mm) of snow is typically accumulated. In North Grosvenor Dale, during the entire year, snow falls for 37.7 days, and aggregates up to 20.59" (523mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9.2h of daylight.

Sunshine

In North Grosvenor Dale, the average sunshine is 4.6h.

UV index

Months with the lowest UV index in North Grosvenor Dale are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in North Grosvenor Dale?

In December, in North Grosvenor Dale, Connecticut, the average high-temperature is 37.2°F (2.9°C), and the average low-temperature is 27°F (-2.8°C).

What is the average humidity in December in North Grosvenor Dale?

The average relative humidity in December in North Grosvenor Dale, Connecticut, is 79%.

How much does it rain in North Grosvenor Dale in December?

In North Grosvenor Dale, in December, it is raining for 10.9 days, with typically 3.11" (79mm) of accumulated precipitation.

What is the rainiest month in North Grosvenor Dale?

The month with the most rainfall in North Grosvenor Dale is December when the rain falls for 10.9 days and typically aggregates up to 3.11" (79mm) of precipitation.

How many days does it snow in December in North Grosvenor Dale?

In December, it is snowing for 6.1 days. Throughout December, 3.39" (86mm) of snow is accumulated.

What is the month with the shortest days in North Grosvenor Dale?

December has the shortest days of the year in North Grosvenor Dale, with an average of 9.2h of daylight.

What is the average length of the day in December in North Grosvenor Dale?

In North Grosvenor Dale, Connecticut, the average length of the day in December is 9.2h.

How long on average sun shines in December in North Grosvenor Dale?

In December, the average sunshine is 4.6h.

When is the lowest UV index in North Grosvenor Dale?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in North Grosvenor Dale.

What is the UV index intensity in December in North Grosvenor Dale?

In North Grosvenor Dale, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.

Average temperature in December
North Grosvenor Dale, CT

Average temperature in December - North Grosvenor Dale, CT
  • Average high temperature in December: 37.2°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in December: 27°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in December
North Grosvenor Dale, CT

Average pressure in December - North Grosvenor Dale, CT
  • Average pressure in December: 30.04"

The month with the highest atmospheric pressure is November (30.08").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in December
North Grosvenor Dale, CT

Average wind speed in December - North Grosvenor Dale, CT
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in December
North Grosvenor Dale, CT

Average humidity in December - North Grosvenor Dale, CT
  • Average humidity in December: 79%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in December
North Grosvenor Dale, CT

Average rainfall in December - North Grosvenor Dale, CT
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in December
North Grosvenor Dale, CT

Average rainfall days in December - North Grosvenor Dale, CT
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is July (16.3 days).
Months with the least rainy days are January and February (7.8 days).

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Average snowfall in December
North Grosvenor Dale, CT

Average snowfall in December - North Grosvenor Dale, CT
  • Average snowfall in December: 3.39"

Months with the highest snowfall are February and March (5.08").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
North Grosvenor Dale, CT

Average snowfall days in December - North Grosvenor Dale, CT
  • Average snowfall days in December: 6.1 days

The month with the highest number of snowfall days is March (9.1 days).
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
North Grosvenor Dale, CT

Average daylight in December / Average sunshine in December - North Grosvenor Dale, CT
  • Average daylight in December: 9.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 4.6h

The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days in December
North Grosvenor Dale, CT

Average sunshine days in December - North Grosvenor Dale, CT
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in December
North Grosvenor Dale, CT

Average UV index in December - North Grosvenor Dale, CT
  • Average UV index in December: 2

Months with the highest UV index are June and July (UV index 6).
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
North Grosvenor Dale, CT

Average cloud cover in December - North Grosvenor Dale, CT
  • Average cloud cover in December: 49

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in December
North Grosvenor Dale, CT

Average visibility in December - North Grosvenor Dale, CT
  • Average visibility in December: 6mi

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

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