December weather forecast
Danbury, NH

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Weather in December

The first month of the winter, December, is still a freezing cold month in Danbury, New Hampshire, with an average temperature ranging between max 31.5°F (-0.3°C) and min 21°F (-6.1°C).

Temperature

As December arrives, Danbury's weather displays a decrease in high-temperatures, transitioning from November's frosty 43.2°F (6.2°C) to a subzero cold 31.5°F (-0.3°C). In Danbury, in December, the average low-temperature is a still freezing cold 21°F (-6.1°C).

Humidity

The average relative humidity in December in Danbury is 82%.

Rainfall

In December, in Danbury, the rain falls for 5.6 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. In Danbury, New Hampshire, during the entire year, the rain falls for 103.3 days and collects up to 12.52" (318mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Danbury. In December, in Danbury, New Hampshire, it is snowing for 8.2 days. Throughout December, 3.19" (81mm) of snow is accumulated. In Danbury, during the entire year, snow falls for 43.2 days and aggregates up to 14.49" (368mm) of snow.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of December in Danbury, sunrise is at 7:01 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:21 pm EST.

Sunshine

The average sunshine in December in Danbury, New Hampshire, is 4.3h.

UV index

The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a daily UV index of 1 turns into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

How cold is it in Danbury in December?

The high-temperature in Danbury, New Hampshire, during December is 31.5°F (-0.3°C) and the low-temperature is 21°F (-6.1°C).

What is the average humidity in December in Danbury?

In December, the average relative humidity is 82%.

How many days does it rain in December in Danbury?

In Danbury, in December, during 5.6 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

How much does it snow in Danbury in December?

In Danbury, in December, during 8.2 snowfall days, 3.19" (81mm) of snow is typically accumulated.

What is the month with the shortest days in Danbury?

December has the shortest days of the year, with an average of 9h and 0min of daylight.

How many hours of daylight does Danbury have in December?

The average day length in December is 9h and 1min.

When is the sunrise / sunset in December in Danbury?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:21 pm EST.

How long on average sun shines in December in Danbury?

In December, the average sunshine duration in Danbury is 4.3h.

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

The months with the lowest UV index in Danbury are February and December, with an average maximum UV index of 1.

How high is the UV index in December in Danbury?

In Danbury, New Hampshire, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health risk 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
Danbury, NH

Average temperature in December - Danbury, NH
  • Average high temperature in December: 31.5°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (25.9°F).

  • Average low temperature in December: 21°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).

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Average pressure in December
Danbury, NH

Average pressure in December - Danbury, NH
  • 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 (29.91"Hg).

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Average wind speed in December
Danbury, NH

Average wind speed in December - Danbury, NH
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in December
Danbury, NH

Average humidity in December - Danbury, NH
  • Average humidity in December: 82%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).

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Average rainfall in December
Danbury, NH

Average rainfall in December - Danbury, NH
  • Average rainfall in December: 1.06"

The wettest month (with the highest rainfall) is October (1.54").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days in December
Danbury, NH

Average rainfall days in December - Danbury, NH
  • Average rainfall days in December: 5.6 days

The month with the highest number of rainy days is July (11.6 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall in December
Danbury, NH

Average snowfall in December - Danbury, NH
  • Average snowfall in December: 3.19"

The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Danbury, NH

Average snowfall days in December - Danbury, NH
  • Average snowfall days in December: 8.2 days

The month with the highest number of snowfall days is February (10.1 days).
The 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
Danbury, NH

Average daylight in December / Average sunshine in December - Danbury, NH
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

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Average sunshine days in December
Danbury, NH

Average sunshine days in December - Danbury, NH
  • Average sunshine days in December: 19 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is February (16.1 days).

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Average UV index in December
Danbury, NH

Average UV index in December - Danbury, NH
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in December
Danbury, NH

Average cloud cover in December - Danbury, NH
  • Average cloud cover in December: 54

The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in December
Danbury, NH

Average visibility in December - Danbury, NH
  • Average visibility in December: 5mi

The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).

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Danbury, New Hampshire, USA

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