December weather forecast and climate
Woburn, MA

Weather in December

The first month of the winter, December, is still a cold month in Woburn, Massachusetts, with average temperature ranging between max 38.8°F (3.8°C) and min 28.9°F (-1.7°C).

Temperature

In December, the average high-temperature decreases, from a chilly 49.1°F (9.5°C) in November, to a wintry 38.8°F (3.8°C). The average low-temperature, in Woburn, is 28.9°F (-1.7°C).

Humidity

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

Rainfall

The month with the most rainfall is December when the rain falls for 9.2 days and typically aggregates up to 2.87" (73mm) of precipitation.

Snowfall

Months with snowfall in Woburn are January through May, October through December. In Woburn, during 5.5 snowfall days, 4.33" (110mm) of snow is typically accumulated. In Woburn, during the entire year, snow falls for 30.6 days, and aggregates up to 18.86" (479mm) of snow.

Daylight

The month with the shortest days in Woburn is December, with an average of 9.1h of daylight.

Sunshine

The average sunshine in Woburn is 4.8h.

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 minimal health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 2 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Woburn?

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

What is the rainiest month in Woburn?

December is the month with the most rainfall. Rain falls for 9.2 days and accumulates 2.87" (73mm) of precipitation.

How much does it rain in Woburn in December?

In Woburn, Massachusetts, in December, during 9.2 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

How much does it snow in Woburn in December?

In Woburn, in December, during 5.5 snowfall days, 4.33" (110mm) of snow is typically accumulated.

What is the month with the shortest days in Woburn?

December has the shortest days of the year in Woburn, with an average of 9.1h of daylight.

How many hours of daylight does Woburn have in December?

The average length of the day in December in Woburn is 9.1h.

How many hours of sunshine does Woburn have in December?

In December, the average sunshine in Woburn, Massachusetts, is 4.8h.

What is the month with the lowest UV index in Woburn?

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 Woburn?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the UV radiation.

Average temperature in December
Woburn, MA

Average temperature in December - Woburn, MA
  • Average high temperature in December: 38.8°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in December: 28.9°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in December
Woburn, MA

Average pressure in December - Woburn, MA
  • Average pressure in December: 30.03"

The month with the highest atmospheric pressure is November (30.07").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed in December
Woburn, MA

Average wind speed in December - Woburn, MA
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in December
Woburn, MA

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

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).

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Average rainfall in December
Woburn, MA

Average rainfall in December - Woburn, MA
  • Average rainfall in December: 2.87"

The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.22").

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Average rainfall days in December
Woburn, MA

Average rainfall days in December - Woburn, MA
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall in December
Woburn, MA

Average snowfall in December - Woburn, MA
  • Average snowfall in December: 4.33"

The month with the highest snowfall is February (4.96").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Woburn, MA

Average snowfall days in December - Woburn, MA
  • Average snowfall days in December: 5.5 days

The month with the highest number of snowfall days is January (7.5 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
Woburn, MA

Average daylight in December / Average sunshine in December - Woburn, MA
  • Average daylight in December: 9.1h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in December: 4.8h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in December
Woburn, MA

Average sunshine days in December - Woburn, MA
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (13.3 days).

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Average UV index in December
Woburn, MA

Average UV index in December - Woburn, MA
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (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
Woburn, MA

Average cloud cover in December - Woburn, MA
  • Average cloud cover in December: 48

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in December
Woburn, MA

Average visibility in December - Woburn, MA
  • Average visibility in December: 6mi

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

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