December weather forecast
Rumney, NH

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Weather in December

The first month of the winter, December, is also a subzero cold month in Rumney, New Hampshire, with temperature in the range of an average low of 19.8°F (-6.8°C) and an average high of 29.1°F (-1.6°C).

Temperature

Rumney's progression into December includes a drop in the average high-temperature, from an icy 40.6°F (4.8°C) in November to a freezing cold 29.1°F (-1.6°C). Rumney encounters a steady low-temperature average of 19.8°F (-6.8°C) throughout the month of December.

Humidity

In Rumney, New Hampshire, the average relative humidity in December is 83%.

Rainfall

In Rumney, New Hampshire, in December, it is raining for 9.8 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, there are 136.5 rainfall days, and 13.54" (344mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Rumney, in December, during 13.4 snowfall days, 2.72" (69mm) of snow is typically accumulated. In Rumney, during the entire year, snow falls for 77.2 days and aggregates up to 22.52" (572mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 0min of daylight.
On the first day of December in Rumney, sunrise is at 7:01 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:19 pm EST.

Sunshine

In December, the average sunshine in Rumney, New Hampshire, is 4.2h.

UV index

In December, the average daily maximum UV index in Rumney is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Rumney?

The average high-temperature, in December, in Rumney, is 29.1°F (-1.6°C), while the average low-temperature is 19.8°F (-6.8°C).

What is the average humidity in December in Rumney?

The average relative humidity in December in Rumney is 83%.

How much does it rain in Rumney in December?

In December, in Rumney, the rain falls for 9.8 days. Throughout December, 1.02" (26mm) of precipitation is accumulated.

How many days does it snow in December in Rumney?

In Rumney, in December, snow falls for 13.4 days, with typically accumulated 2.72" (69mm) of snow.

What is the month with the shortest days in Rumney?

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 Rumney?

In Rumney, New Hampshire, the average day length in December is 8h and 59min.

When are sunrise and sunset in December in Rumney?

On the first day of December, sunrise is at 7:01 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:19 pm EST.

How long on average sun shines in December in Rumney?

In Rumney, New Hampshire, the average sunshine duration in December is 4.2h.

What is the UV index reading in December in Rumney?

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

Average temperature in December - Rumney, 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
Rumney, NH

Average pressure in December - Rumney, 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
Rumney, NH

Average wind speed in December - Rumney, 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
Rumney, NH

Average humidity in December - Rumney, 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
Rumney, NH

Average rainfall in December - Rumney, 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
Rumney, NH

Average rainfall days in December - Rumney, 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
Rumney, NH

Average snowfall in December - Rumney, 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
Rumney, NH

Average snowfall days in December - Rumney, 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
Rumney, NH

Average daylight in December / Average sunshine in December - Rumney, 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
Rumney, NH

Average sunshine days in December - Rumney, 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
Rumney, NH

Average UV index in December - Rumney, 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
Rumney, NH

Average cloud cover in December - Rumney, 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
Rumney, NH

Average visibility in December - Rumney, 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).

Rumney, New Hampshire, USA

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