December weather forecast
Winchester Center, CT

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Weather in December

The first month of the winter, December, is still a cold month in Winchester Center, Connecticut, with an average temperature varying between 25.3°F (-3.7°C) and 36.1°F (2.3°C).

Temperature

December comes with a decrease in the average high-temperature, falling from a chilly 46.4°F (8°C) in November to a wintry 36.1°F (2.3°C). Winchester Center in December experiences a low-temperature average of 25.3°F (-3.7°C).

Humidity

In December, the average relative humidity in Winchester Center is 81%.

Rainfall

The wettest months are October and December, with an average 3.31" (84mm) of rainfall.

Snowfall

January through May, October through December are months with snowfall. In Winchester Center, Connecticut, in December, during 7.7 snowfall days, 4.88" (124mm) of snow is typically accumulated. In Winchester Center, Connecticut, during the entire year, snow falls for 45.3 days and aggregates up to 25.63" (651mm) 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 the month, sunrise is at 7:01 am and sunset at 4:22 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:31 pm EST.

Sunshine

In December, the average sunshine is 4.5h.

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 hazard from unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

Winchester Center in December has an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 25.3°F (-3.7°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in July is appraised at 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

What is the wettest month?

The months with the most rainfall are October and December, with an average 3.31" (84mm) of precipitation.

How much does it rain in December?

In Winchester Center, in December, during 10.4 rainfall days, 3.31" (84mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Winchester Center, in December, snow falls for 7.7 days, with typically accumulated 4.88" (124mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 12min of daylight.

How many hours of daylight does Winchester Center have in December?

In Winchester Center, the average day length in December is 9h and 11min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:31 pm EST.

How many hours of sunshine does Winchester Center have in December?

The average sunshine duration in December is 4.5h.

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?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes 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
Winchester Center, CT

Average temperature in December - Winchester Center, CT
  • Average high temperature in December: 36.1°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in December: 25.3°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in December
Winchester Center, CT

Average pressure in December - Winchester Center, 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).

Average wind speed in December
Winchester Center, CT

Average wind speed in December - Winchester Center, CT
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in December
Winchester Center, CT

Average humidity in December - Winchester Center, CT
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (74%).

Average rainfall in December
Winchester Center, CT

Average rainfall in December - Winchester Center, CT
  • Average rainfall in December: 3.31"

The wettest months (with the highest rainfall) are October and December (3.31").
The driest month (with the least rainfall) is September (2.09").

Average rainfall days in December
Winchester Center, CT

Average rainfall days in December - Winchester Center, CT
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in December
Winchester Center, CT

Average snowfall in December - Winchester Center, CT
  • Average snowfall in December: 4.88"

The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Winchester Center, CT

Average snowfall days in December - Winchester Center, CT
  • Average snowfall days in December: 7.7 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Winchester Center, CT

Average daylight in December / Average sunshine in December - Winchester Center, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in December
Winchester Center, CT

Average sunshine days in December - Winchester Center, CT
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in December
Winchester Center, CT

Average UV index in December - Winchester Center, CT
  • Average UV index in December: 2

The month with the highest UV index is June (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
Winchester Center, CT

Average cloud cover in December - Winchester Center, CT
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in December
Winchester Center, CT

Average visibility in December - Winchester Center, CT
  • Average visibility in December: 5mi

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

Winchester Center, Connecticut, USA

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