December weather forecast
Wentworth, NH

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Weather in December

December in Wentworth is characterized by freezing temperatures dropping to a low of 19.8°F (-6.8°C). This time of the year marks the heart of winter, which is much colder than November, with an increased snowfall of 2.72" (69mm). City streets sparkle with Christmas lights, contrasting the stark white snow, creating an enchantingly cute atmosphere. Despite the biting cold, the holiday spirit brings warmth, transforming the city into a festive wonderland. With this, Wentworth, New Hampshire bids adieu to the year, holding promises of a new climate cycle in the coming year.

Temperature

Wentworth in December demonstrates a small temperature transition, adjusting from an average high of a cold 40.6°F (4.8°C) in November to a freezing cold 29.1°F (-1.6°C). During the month of December, an average temperature of 19.8°F (-6.8°C) is noted during the nights in Wentworth, New Hampshire.

Humidity

The average relative humidity in December is 83%.

Rainfall

In Wentworth, in December, during 9.8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Wentworth, New Hampshire, during the entire year, the rain falls for 136.5 days and collects up to 13.54" (344mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 13.4 days. Throughout December, 2.72" (69mm) of snow is accumulated. Throughout the year, there are 77.2 snowfall days, and 22.52" (572mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 7:02 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:20 pm EST.

Sunshine

In December, the average sunshine is 4.2h.

UV index

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

An average high-temperature, in December, in Wentworth, is 29.1°F (-1.6°C) and the average low-temperature is 19.8°F (-6.8°C).

What is the average humidity in December?

In December, the average relative humidity is 83%.

How much does it rain in December?

In Wentworth, during December, the rain falls for 9.8 days and regularly aggregates up to 1.02" (26mm) of precipitation.

How much does it snow in December?

In Wentworth, in December, during 13.4 snowfall days, 2.72" (69mm) of snow is typically accumulated.

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 Wentworth, the average day length in December is 8h and 58min.

When is the sunrise / sunset in December?

On the first day of December in Wentworth, sunrise is at 7:02 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:20 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.2h.

What is the UV index reading in December in Wentworth?

In Wentworth, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents 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
Wentworth, NH

Average temperature in December - Wentworth, NH
  • Average high temperature in December: 29.1°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.9°F).

  • Average low temperature in December: 19.8°F

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

Average pressure in December
Wentworth, NH

Average pressure in December - Wentworth, 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
Wentworth, NH

Average wind speed in December - Wentworth, NH
  • Average wind speed in December: 6.5mph

The windiest months (with the highest average wind speed) are January, February and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in December
Wentworth, NH

Average humidity in December - Wentworth, NH
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (76%).

Average rainfall in December
Wentworth, NH

Average rainfall in December - Wentworth, NH
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is October (1.5").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in December
Wentworth, NH

Average rainfall days in December - Wentworth, NH
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is November (8.2 days).

Average snowfall in December
Wentworth, NH

Average snowfall in December - Wentworth, NH
  • Average snowfall in December: 2.72"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Wentworth, NH

Average snowfall days in December - Wentworth, NH
  • Average snowfall days in December: 13.4 days

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Wentworth, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

Average sunshine days in December
Wentworth, NH

Average sunshine days in December - Wentworth, NH
  • Average sunshine days in December: 14.1 days

The month with the most sunshine days is September (17 days).
The month with the least sunshine days is February (10.8 days).

Average UV index in December
Wentworth, NH

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

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

Average cloud cover in December
Wentworth, NH

Average cloud cover in December - Wentworth, NH
  • Average cloud cover in December: 56

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in December
Wentworth, NH

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

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

Wentworth, New Hampshire, USA

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