December weather forecast
Westmoreland, NH

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Weather in December

December, the first month of the winter in Westmoreland, is also a wintry month, with temperature in the range of an average low of 22.8°F (-5.1°C) and an average high of 33.4°F (0.8°C).

Temperature

Westmoreland's weather in December involves a decrease in the average high-temperature, moving down from November's chilly 44.4°F (6.9°C) to a cold 33.4°F (0.8°C). Throughout December, Westmoreland witnesses a consistent average low-temperature of 22.8°F (-5.1°C).

Humidity

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

Rainfall

In Westmoreland, New Hampshire, during December, the rain falls for 7.7 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Westmoreland, New Hampshire, during the entire year, the rain falls for 125.1 days and collects up to 11.69" (297mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Westmoreland, in December, during 7.4 snowfall days, 1.61" (41mm) of snow is typically accumulated. In Westmoreland, New Hampshire, during the entire year, snow falls for 39.8 days and aggregates up to 10.2" (259mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:16 pm. On the last day of December, in Westmoreland, sunrise is at 7:20 am and sunset at 4:25 pm EST.

Sunshine

In December, the average sunshine is 4.8h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

How cold is it in Westmoreland in December?

The high-temperature during December is 33.4°F (0.8°C) and the low-temperature is 22.8°F (-5.1°C).

What is the average humidity in December in Westmoreland?

The average relative humidity in December in Westmoreland, New Hampshire, is 82%.

How much does it rain in Westmoreland in December?

In Westmoreland, during December, the rain falls for 7.7 days and regularly aggregates up to 0.87" (22mm) of precipitation.

How many days does it snow in December in Westmoreland?

In December, it is snowing for 7.4 days. Throughout December, 1.61" (41mm) of snow is accumulated.

What is the month with the shortest days in Westmoreland?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

How many hours of daylight does Westmoreland have in December?

The average day length in December is 9h and 4min.

When is the sunrise / sunset in December in Westmoreland?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:16 pm. On the last day of the month, in Westmoreland, sunrise is at 7:20 am and sunset at 4:25 pm EST.

How many hours of sunshine does Westmoreland have in December?

In December, the average sunshine duration in Westmoreland, New Hampshire, is 4.8h.

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

The months with the lowest UV index in Westmoreland are January through March, October through December, with an average maximum UV index of 2.

What is the UV index reading in December in Westmoreland?

In Westmoreland, New Hampshire, the average daily maximum UV index in December is 2. A UV Index estimate 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
Westmoreland, NH

Average temperature in December - Westmoreland, NH
  • Average high temperature in December: 33.4°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in December: 22.8°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

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Average pressure in December
Westmoreland, NH

Average pressure in December - Westmoreland, NH
  • Average pressure in December: 30.04"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Westmoreland, NH

Average wind speed in December - Westmoreland, NH
  • Average wind speed in December: 7.3mph

The windiest months (with the highest average wind speed) are January, February and March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in December
Westmoreland, NH

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

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

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Average rainfall in December
Westmoreland, NH

Average rainfall in December - Westmoreland, NH
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.75").

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Average rainfall days in December
Westmoreland, NH

Average rainfall days in December - Westmoreland, NH
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in December
Westmoreland, NH

Average snowfall in December - Westmoreland, NH
  • Average snowfall in December: 1.61"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Westmoreland, NH

Average snowfall days in December - Westmoreland, NH
  • Average snowfall days in December: 7.4 days

The month with the highest number of snowfall days is February (9.4 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
Westmoreland, NH

Average daylight in December / Average sunshine in December - Westmoreland, NH
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in December
Westmoreland, NH

Average sunshine days in December - Westmoreland, NH
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (13.8 days).

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Average UV index in December
Westmoreland, NH

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in December
Westmoreland, NH

Average cloud cover in December - Westmoreland, NH
  • Average cloud cover in December: 49

The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in December
Westmoreland, NH

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

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

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Westmoreland, New Hampshire, USA

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