December weather forecast
Salisbury, NH

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Weather in December

December, the first month of the winter in Salisbury, is also an icy month, with an average temperature fluctuating between 21.7°F (-5.7°C) and 32.4°F (0.2°C).

Temperature

The onset of December is marked by a decrease in temperature, transitioning from a frosty 43.5°F (6.4°C) in November to a wintry 32.4°F (0.2°C). An average nighttime temperature of 21.7°F (-5.7°C) is recorded during December.

Humidity

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

Rainfall

In Salisbury, New Hampshire, during December, the rain falls for 9.5 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Salisbury, during the entire year, the rain falls for 139.8 days and collects up to 28.19" (716mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Salisbury, during December, snow falls for 8.9 days and regularly aggregates up to 6.54" (166mm) of snow. Throughout the year, there are 50.4 snowfall days, and 32.8" (833mm) of snow is accumulated.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:12 pm. On the last day of December, in Salisbury, sunrise is at 7:19 am and sunset at 4:21 pm EST.

Sunshine

The average sunshine in December is 4.5h.

UV index

In Salisbury, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the UV index of 2 transforms into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

How cold is it in December?

During December, Salisbury experiences an average high-temperature of 32.4°F (0.2°C) and a low-temperature of 21.7°F (-5.7°C).

What is the average humidity in December in Salisbury?

The average relative humidity in December in Salisbury is 81%.

How much does it rain in December?

In Salisbury, during December, the rain falls for 9.5 days and regularly aggregates up to 2.8" (71mm) of precipitation.

How many days does it snow in December in Salisbury?

In Salisbury, in December, snow falls for 8.9 days, with typically accumulated 6.54" (166mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In Salisbury, the average day length in December is 9h and 2min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:00 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:21 pm EST.

How many hours of sunshine does Salisbury have in December?

In December, the average sunshine duration is 4.5h.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Salisbury, NH

Average temperature in December - Salisbury, NH
  • Average high temperature in December: 32.4°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in December: 21.7°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in December
Salisbury, NH

Average pressure in December - Salisbury, 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).

Average wind speed in December
Salisbury, NH

Average wind speed in December - Salisbury, NH
  • Average wind speed in December: 6.8mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in December
Salisbury, NH

Average humidity in December - Salisbury, NH
  • Average humidity in December: 81%

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (74%).

Average rainfall in December
Salisbury, NH

Average rainfall in December - Salisbury, NH
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in December
Salisbury, NH

Average rainfall days in December - Salisbury, NH
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in December
Salisbury, NH

Average snowfall in December - Salisbury, NH
  • Average snowfall in December: 6.54"

The month with the highest snowfall is February (8.78").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Salisbury, NH

Average snowfall days in December - Salisbury, NH
  • Average snowfall days in December: 8.9 days

The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Salisbury, NH

Average daylight in December / Average sunshine in December - Salisbury, 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 3min

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 12min).

Average sunshine days in December
Salisbury, NH

Average sunshine days in December - Salisbury, NH
  • Average sunshine days in December: 15.3 days

The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is March (12.5 days).

Average UV index in December
Salisbury, NH

Average UV index in December - Salisbury, NH
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in December
Salisbury, NH

Average cloud cover in December - Salisbury, NH
  • Average cloud cover in December: 52

The months with the most cloud cover are February and March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in December
Salisbury, NH

Average visibility in December - Salisbury, 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).

Salisbury, New Hampshire, USA

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