December weather forecast
Hebron, NH

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Weather in December

The first month of the winter, December, is still a freezing cold month in Hebron, New Hampshire, with an average temperature ranging between max 29.1°F (-1.6°C) and min 19.8°F (-6.8°C).

Temperature

Hebron'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). Hebron temperatures generally rest at a low of 19.8°F (-6.8°C) during the December nights.

Humidity

The average relative humidity in December is 83%.

Rainfall

In Hebron, in December, during 9.8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 136.5 rainfall days, and 13.54" (344mm) of precipitation is accumulated.

Snowfall

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

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year in Hebron.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:11 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:20 pm EST.

Sunshine

The average sunshine in December in Hebron is 4.2h.

UV index

In Hebron, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Hebron, is 29.1°F (-1.6°C), while the low-temperature averages to 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 Hebron, in December, during 9.8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 13.4 days. Throughout December, 2.72" (69mm) of snow is accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Hebron have in December?

In December, the average day length is 8h and 59min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:11 pm. On the last day of the month, in Hebron, New Hampshire, sunrise is at 7:20 am and sunset at 4:20 pm EST.

How many hours of sunshine does Hebron have in December?

In December, the average sunshine duration is 4.2h.

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from 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
Hebron, NH

Average temperature in December - Hebron, 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
Hebron, NH

Average pressure in December - Hebron, 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
Hebron, NH

Average wind speed in December - Hebron, 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
Hebron, NH

Average humidity in December - Hebron, 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
Hebron, NH

Average rainfall in December - Hebron, 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
Hebron, NH

Average rainfall days in December - Hebron, 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
Hebron, NH

Average snowfall in December - Hebron, 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
Hebron, NH

Average snowfall days in December - Hebron, 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
Hebron, NH

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

Average sunshine days in December - Hebron, 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
Hebron, NH

Average UV index in December - Hebron, 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
Hebron, NH

Average cloud cover in December - Hebron, 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
Hebron, NH

Average visibility in December - Hebron, 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).

Hebron, New Hampshire, USA

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