December weather forecast and climate
Morris, CT

Weather in December

The first month of the winter, December, is still a cold month in Morris, Connecticut, with average temperature ranging between max 37.2°F (2.9°C) and min 26.4°F (-3.1°C).

Temperature

In December, the average high-temperature decreases, from a frosty 47.5°F (8.6°C) in November, to a wintry 37.2°F (2.9°C). In Morris, in December, the average low-temperature is 26.4°F (-3.1°C).

Humidity

In Morris, the average relative humidity in December is 80%.

Rainfall

The month with the most rainfall is December when the rain falls for 10.8 days and typically aggregates up to 3.62" (92mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Morris. In Morris, in December, snow falls for 7.4 days, with typically accumulated 3.94" (100mm) of snow. In Morris, Connecticut, during the entire year, snow falls for 39.4 days, and aggregates up to 24.37" (619mm) of snow.

Daylight

With an average of 9.2h of daylight, December has the shortest days of the year in Morris, Connecticut.

Sunshine

In December, the average sunshine in Morris, Connecticut, is 4.6h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Morris. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Morris?

The average high-temperature, in December, in Morris, Connecticut, is 37.2°F (2.9°C), while the average low-temperature is 26.4°F (-3.1°C).

What is the average humidity in December in Morris?

In Morris, Connecticut, the average relative humidity in December is 80%.

How much does it rain in Morris in December?

In December, the rain falls for 10.8 days. Throughout December, 3.62" (92mm) of precipitation is accumulated.

What is the wettest month in Morris?

December is the month with the most rainfall in Morris, Connecticut. Rain falls for 10.8 days and accumulates 3.62" (92mm) of precipitation.

How much does it snow in Morris in December?

In Morris, during December, snow falls for 7.4 days and regularly aggregates up to 3.94" (100mm) of snow.

What is the month with the shortest days in Morris?

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

What is the average length of the day in December in Morris?

The average length of the day in December is 9.2h.

How long on average sun shines in December in Morris?

In Morris, Connecticut, the average sunshine in December is 4.6h.

What are the months with the lowest UV index in Morris?

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

What is the UV index reading in December in Morris?

In Morris, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to the Sun's UV rays.

Average temperature in December
Morris, CT

Average temperature in December - Morris, CT
  • Average high temperature in December: 37.2°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 (31.5°F).

  • Average low temperature in December: 26.4°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in December
Morris, CT

Average pressure in December - Morris, CT
  • Average pressure in December: 30.06"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in December
Morris, CT

Average wind speed in December - Morris, CT
  • Average wind speed in December: 7.7mph

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Morris, CT

Average humidity in December - Morris, CT
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in December
Morris, CT

Average rainfall in December - Morris, CT
  • Average rainfall in December: 3.62"

The wettest month (with the highest rainfall) is December (3.62").
The driest month (with the least rainfall) is September (2.24").

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Average rainfall days in December
Morris, CT

Average rainfall days in December - Morris, CT
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is June (17.7 days).
Months with the least rainy days are January and February (8.1 days).

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Average snowfall in December
Morris, CT

Average snowfall in December - Morris, CT
  • Average snowfall in December: 3.94"

The month with the highest snowfall is February (6.1").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Morris, CT

Average snowfall days in December - Morris, CT
  • Average snowfall days in December: 7.4 days

The month with the highest number of snowfall days is January (9.8 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
Morris, CT

Average daylight in December / Average sunshine in December - Morris, 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 July (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.4h).

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Average sunshine days in December
Morris, CT

Average sunshine days in December - Morris, CT
  • Average sunshine days in December: 15 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (10.5 days).

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Average UV index in December
Morris, CT

Average UV index in December - Morris, 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
Morris, CT

Average cloud cover in December - Morris, CT
  • Average cloud cover in December: 50

Months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in December
Morris, CT

Average visibility in December - Morris, CT
  • Average visibility in December: 5mi

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

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