December weather forecast
Norwood, MA

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Weather in December

December, the first month of the winter in Norwood, is still a cold month, with temperature in the range of an average high of 40.8°F (4.9°C) and an average low of 30.7°F (-0.7°C).

Temperature

Norwood experiences a temperature shift at the start of December, with average high-temperatures adjusting from a fresh 50.4°F (10.2°C) in November to a wintry 40.8°F (4.9°C). Norwood's temperature drops to an average low of 30.7°F (-0.7°C) during the nights of December.

Humidity

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

Rainfall

In Norwood, in December, it is raining for 10.2 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 135.6 rainfall days, and 20.31" (516mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Norwood are January through May, November and December. In Norwood, in December, during 4 snowfall days, 1.06" (27mm) of snow is typically accumulated. Throughout the year, there are 21.2 snowfall days, and 6.46" (164mm) of snow is accumulated.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:54 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:22 pm EST.

Sunshine

In December, the average sunshine 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. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

How cold is December in Norwood?

The average high-temperature, in December, in Norwood, is 40.8°F (4.9°C), while the average low-temperature is 30.7°F (-0.7°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is evaluated at 86°F (30°C).

What is the average humidity in December in Norwood?

The average relative humidity in December in Norwood, Massachusetts, is 76%.

How many days does it rain in December in Norwood?

In Norwood, in December, it is raining for 10.2 days, with typically 1.77" (45mm) of accumulated precipitation.

How many days does it snow in December in Norwood?

In Norwood, Massachusetts, in December, during 4 snowfall days, 1.06" (27mm) of snow is typically accumulated.

What is the month with the shortest days in Norwood?

December has the shortest days of the year in Norwood, Massachusetts, with an average of 9h and 12min of daylight.

How many hours of daylight does Norwood have in December?

In Norwood, Massachusetts, the average day length in December is 9h and 10min.

When are sunrise and sunset in December in Norwood?

In December, on the first day of the month, sunrise is at 6:54 am and sunset at 4:13 pm. On the last day of the month, in Norwood, Massachusetts, sunrise is at 7:13 am and sunset at 4:22 pm EST.

How long on average sun shines in December in Norwood?

The average sunshine duration in December in Norwood, Massachusetts, is 4.9h.

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

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

What is the UV index reading in December in Norwood?

The average daily maximum UV index in December in Norwood, Massachusetts, is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Norwood, MA

Average temperature in December - Norwood, MA
  • Average high temperature in December: 40.8°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 30.7°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

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Average pressure in December
Norwood, MA

Average pressure in December - Norwood, MA
  • Average pressure in December: 30.04"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Norwood, MA

Average wind speed in December - Norwood, MA
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

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Average humidity in December
Norwood, MA

Average humidity in December - Norwood, MA
  • Average humidity in December: 76%

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in December
Norwood, MA

Average rainfall in December - Norwood, MA
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is April (2.17").
The driest month (with the least rainfall) is September (0.91").

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Average rainfall days in December
Norwood, MA

Average rainfall days in December - Norwood, MA
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in December
Norwood, MA

Average snowfall in December - Norwood, MA
  • Average snowfall in December: 1.06"

The month with the highest snowfall is March (1.89").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Norwood, MA

Average snowfall days in December - Norwood, MA
  • Average snowfall days in December: 4 days

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Norwood, MA

Average daylight in December / Average sunshine in December - Norwood, MA
  • 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 5min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in December
Norwood, MA

Average sunshine days in December - Norwood, MA
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (12.9 days).

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Average UV index in December
Norwood, MA

Average UV index in December - Norwood, MA
  • 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
Norwood, MA

Average cloud cover in December - Norwood, MA
  • Average cloud cover in December: 46

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Norwood, MA

Average visibility in December - Norwood, MA
  • 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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Norwood, Massachusetts, USA

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