December weather forecast
Laconia, NH

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Weather in December

December marks the onset of winter in Laconia, New Hampshire. The cold front settles in, with temperatures plummeting significantly to a frigid average of 32.4°F (0.2°C), with the last traces of autumn erased by generous snowfall averaging 6.93" (176mm). The decreasing daylight hours and occasional snowstorms set a fitting backdrop for the holiday season. Despite the piercing cold, it's a time of warm hearts as the city is lit for the Christmas season, turning this New England town into a winter wonderland.

Temperature

With December's arrival, Laconia's weather changes as the average high-temperature falls from a frosty 43.7°F (6.5°C) in November to an icy 32.4°F (0.2°C). Laconia, during December nights, observes an average temperature of 21.7°F (-5.7°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

In December, the rain falls for 8.7 days. Throughout December, 2.99" (76mm) of precipitation is accumulated. Throughout the year, in Laconia, there are 132.1 rainfall days, and 29.25" (743mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Laconia, New Hampshire. In Laconia, in December, snow falls for 9.9 days, with typically accumulated 6.93" (176mm) of snow. Throughout the year, there are 56.1 snowfall days, and 40.39" (1026mm) of snow is accumulated.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year in Laconia.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:10 pm. On the last day of December, in Laconia, New Hampshire, sunrise is at 7:18 am and sunset at 4:19 pm EST.

Sunshine

The average sunshine in December in Laconia is 4.4h.

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 exposure to the Sun's UV radiation for the ordinary person.
Note: In December, an average UV index of 2 transforms into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. When the Sun is at its strongest around midday, find shade and limit exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Laconia in December?

December temperatures in Laconia vary between a high-temperature of 32.4°F (0.2°C) and a low-temperature of 21.7°F (-5.7°C).

What is the average humidity in December in Laconia?

In Laconia, the average relative humidity in December is 81%.

How many days does it rain in December in Laconia?

In Laconia, during December, the rain falls for 8.7 days and regularly aggregates up to 2.99" (76mm) of precipitation.

How many days does it snow in December in Laconia?

In Laconia, New Hampshire, in December, during 9.9 snowfall days, 6.93" (176mm) of snow is typically accumulated.

What is the month with the shortest days in Laconia?

With an average of 9h and 0min of daylight, December has the shortest days of the year in Laconia, New Hampshire.

How many hours of daylight does Laconia have in December?

The average day length in December in Laconia, New Hampshire, is 9h and 1min.

When is the sunrise / sunset in December in Laconia?

On the first day of December in Laconia, New Hampshire, sunrise is at 6:59 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:19 pm EST.

How long on average sun shines in December in Laconia?

In Laconia, New Hampshire, the average sunshine duration in December is 4.4h.

What is the UV index reading in December in Laconia?

In Laconia, New Hampshire, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Laconia, NH

Average temperature in December - Laconia, NH
  • Average high temperature in December: 32.4°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in December: 21.7°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in December
Laconia, NH

Average pressure in December - Laconia, 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
Laconia, NH

Average wind speed in December - Laconia, NH
  • Average wind speed in December: 6.7mph

The windiest month (with the highest average wind speed) is January (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in December
Laconia, NH

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

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

Average rainfall in December
Laconia, NH

Average rainfall in December - Laconia, NH
  • Average rainfall in December: 2.99"

The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in December
Laconia, NH

Average rainfall days in December - Laconia, NH
  • Average rainfall days in December: 8.7 days

The month with the highest number of rainy days is April (14.4 days).
The month with the least rainy days is February (5.5 days).

Average snowfall in December
Laconia, NH

Average snowfall in December - Laconia, NH
  • Average snowfall in December: 6.93"

The month with the highest snowfall is February (10.63").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Laconia, NH

Average snowfall days in December - Laconia, NH
  • Average snowfall days in December: 9.9 days

The month with the highest number of snowfall days is February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Laconia, 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 2min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in December
Laconia, NH

Average sunshine days in December - Laconia, NH
  • Average sunshine days in December: 15.3 days

The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is March (12.8 days).

Average UV index in December
Laconia, NH

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in December
Laconia, NH

Average cloud cover in December - Laconia, NH
  • Average cloud cover in December: 52

The month with the most cloud cover is March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in December
Laconia, NH

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

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

Laconia, New Hampshire, USA

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