December weather forecast
Coventry, CT

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Weather in December

The first month of the winter, December, is still a cold month in Coventry, Connecticut, with an average temperature varying between 28.2°F (-2.1°C) and 39.2°F (4°C).

Temperature

Onset of December witnesses a reduction in the average high-temperature, falling from a chilly 49.1°F (9.5°C) in November to a wintry 39.2°F (4°C). December's average low-temperature reading settles at a subzero cold 28.2°F (-2.1°C).

Humidity

The average relative humidity in December is 78%.

Rainfall

In Coventry, 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

Months with snowfall are January through May, November and December. In December, it is snowing for 4.1 days. Throughout December, 0.63" (16mm) of snow is accumulated. In Coventry, during the entire year, snow falls for 21.5 days and aggregates up to 3.15" (80mm) 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 in Coventry, sunrise is at 6:57 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:28 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 4.7h 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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

Is it cold during December?

In Coventry, 39.2°F (4°C) is the average high-temperature and 28.2°F (-2.1°C) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in July is calculated to be 87.8°F (31°C).

What is the average humidity in December?

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

How many days does it rain in December?

In December, the rain falls for 8.3 days. Throughout December, 0.98" (25mm) of precipitation is accumulated.

How many days does it snow in December?

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

What is the month with the shortest days?

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

What is the average length of the day in December?

The average day length in December is 9h and 12min.

When are sunrise and sunset in December?

On the first day of December in Coventry, sunrise is at 6:57 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:28 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 long on average sun shines in December?

In December, the average sunshine duration in Coventry is 4.7h.

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 reading in December?

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

Average temperature in December - Coventry, 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
Coventry, CT

Average pressure in December - Coventry, 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
Coventry, CT

Average wind speed in December - Coventry, 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
Coventry, CT

Average humidity in December - Coventry, 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
Coventry, CT

Average rainfall in December - Coventry, 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
Coventry, CT

Average rainfall days in December - Coventry, 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
Coventry, CT

Average snowfall in December - Coventry, 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
Coventry, CT

Average snowfall days in December - Coventry, 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
Coventry, CT

Average daylight in December / Average sunshine in December - Coventry, 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
Coventry, CT

Average sunshine days in December - Coventry, 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
Coventry, CT

Average UV index in December - Coventry, 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
Coventry, CT

Average cloud cover in December - Coventry, 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
Coventry, CT

Average visibility in December - Coventry, 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).

Coventry, Connecticut, USA

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