December weather forecast
Tamworth, NH

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Weather in December

December, the first month of the winter in Tamworth, is still a freezing cold month, with an average temperature fluctuating between 30.6°F (-0.8°C) and 20.3°F (-6.5°C).

Temperature

December's arrival corresponds with a decrease in average high-temperatures, from November's icy 42.4°F (5.8°C) to a subzero cold 30.6°F (-0.8°C). Nighttime temperatures hover around an average low of 20.3°F (-6.5°C) in December.

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Tamworth, during December, the rain falls for 12 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 156.4 rainfall days, and 27.09" (688mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Tamworth are January through May, October through December. In Tamworth, in December, during 11.3 snowfall days, 7.36" (187mm) of snow is typically accumulated. In Tamworth, during the entire year, snow falls for 62.3 days and aggregates up to 42.32" (1075mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 6:59 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:17 pm EST.

Sunshine

The average sunshine in December is 4.7h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature, in December, in Tamworth, is 30.6°F (-0.8°C), while the low-temperature averages to 20.3°F (-6.5°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

How much does it rain in December?

In Tamworth, during December, the rain falls for 12 days and regularly aggregates up to 2.68" (68mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 11.3 days. Throughout December, 7.36" (187mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days in Tamworth, New Hampshire, is December, with an average of 9h and 0min of daylight.

What is the average length of the day in December?

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

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:59 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:17 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.7h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

In Tamworth, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Tamworth, NH

Average temperature in December - Tamworth, NH
  • Average high temperature in December: 30.6°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.7°F).

  • Average low temperature in December: 20.3°F

The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

Average pressure in December
Tamworth, NH

Average pressure in December - Tamworth, NH
  • Average pressure in December: 30.03"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Tamworth, NH

Average wind speed in December - Tamworth, NH
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is January (6.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Tamworth, NH

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

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are May and November (77%).

Average rainfall in December
Tamworth, NH

Average rainfall in December - Tamworth, NH
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in December
Tamworth, NH

Average rainfall days in December - Tamworth, NH
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (9.3 days).

Average snowfall in December
Tamworth, NH

Average snowfall in December - Tamworth, NH
  • Average snowfall in December: 7.36"

The month with the highest snowfall is February (11.5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Tamworth, NH

Average snowfall days in December - Tamworth, NH
  • Average snowfall days in December: 11.3 days

The month with the highest number of snowfall days is February (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Tamworth, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in December
Tamworth, NH

Average sunshine days in December - Tamworth, NH
  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (10.6 days).

Average UV index in December
Tamworth, NH

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in December
Tamworth, NH

Average cloud cover in December - Tamworth, NH
  • Average cloud cover in December: 50

The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in December
Tamworth, NH

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

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

Tamworth, New Hampshire, USA

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