December weather forecast
Loudon, NH

englishespañol中文
Share

Weather in December

In December, Loudon, New Hampshire welcomes winter with a combination of low temperatures, increased snowfall, and shorter daylight hours. Average temperatures plunge to 33.1°F (0.6°C) from November's 44.4°F (6.9°C), marking the beginning of the coldest season. A steady rise in snowfall, coupled with a decrease in daylight, contributes to the frosty, wintry vibes. The days become progressively shorter, paving the way for long and crisp winter nights. With the setting in of the new year, Loudon bids farewell to the fleeting year while bundled up under a fresh blanket of snow.

Temperature

The arrival of December corresponds with a reduction in the average high-temperature, down from November's frosty 44.4°F (6.9°C) to a cold 33.1°F (0.6°C). The average low-temperature in Loudon during December nights is a subzero cold 22.8°F (-5.1°C).

Humidity

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

Rainfall

In Loudon, New Hampshire, in December, it is raining for 9.5 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 138.6 rainfall days, and 27.24" (692mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Loudon, in December, during 8.7 snowfall days, 6.22" (158mm) of snow is typically accumulated. Throughout the year, there are 48.2 snowfall days, and 30.71" (780mm) of snow is accumulated.

Daylight

The month with the shortest days in Loudon is December, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 6:58 am and sunset at 4:11 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:20 pm EST.

Sunshine

In December, the average sunshine is 4.6h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Loudon. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
[Resources]

Frequently asked questions

How cold is it in Loudon in December?

December temperatures in Loudon, New Hampshire, vary between a high-temperature of 33.1°F (0.6°C) and a low-temperature of 22.8°F (-5.1°C).

What is the average humidity in December in Loudon?

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

How many days does it rain in December in Loudon?

In Loudon, New Hampshire, in December, during 9.5 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

How much does it snow in Loudon in December?

In December, in Loudon, it is snowing for 8.7 days. Throughout December, 6.22" (158mm) of snow is accumulated.

What is the month with the shortest days in Loudon?

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

How many hours of daylight does Loudon have in December?

The average day length in December in Loudon is 9h and 2min.

When is the sunrise / sunset in December in Loudon?

In December, on the first day of the month, sunrise is at 6:58 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:20 pm EST.

How many hours of sunshine does Loudon have in December?

In December, the average sunshine duration in Loudon is 4.6h.

What is the month with the lowest UV index in Loudon?

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

How high is the UV index in December in Loudon?

In Loudon, 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 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
Loudon, NH

Average temperature in December - Loudon, NH
  • Average high temperature in December: 33.1°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in December: 22.8°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

[Resources]

Average pressure in December
Loudon, NH

Average pressure in December - Loudon, NH
  • Average pressure in December: 30.03"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).

[Resources]

Average wind speed in December
Loudon, NH

Average wind speed in December - Loudon, NH
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

[Resources]

Average humidity in December
Loudon, NH

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

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (73%).

[Resources]

Average rainfall in December
Loudon, NH

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

The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.57").

[Resources]

Average rainfall days in December
Loudon, NH

Average rainfall days in December - Loudon, NH
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is April (15.2 days).
The month with the least rainy days is January (6.8 days).

[Resources]

Average snowfall in December
Loudon, NH

Average snowfall in December - Loudon, NH
  • Average snowfall in December: 6.22"

The month with the highest snowfall is February (7.36").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Loudon, NH

Average snowfall days in December - Loudon, NH
  • Average snowfall days in December: 8.7 days

The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Loudon, NH
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

[Resources]

Average sunshine days in December
Loudon, NH

Average sunshine days in December - Loudon, NH
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is April (12.4 days).

[Resources]

Average UV index in December
Loudon, NH

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

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

[Resources]

Average cloud cover in December
Loudon, NH

Average cloud cover in December - Loudon, NH
  • Average cloud cover in December: 49

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 34).

[Resources]

Average visibility in December
Loudon, NH

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

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

[Resources]

Loudon, New Hampshire, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location