Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A subtle decrease in the average high-temperature marks December, falling from November's frosty 44.4°F (6.9°C) to a wintry 33.1°F (0.6°C). In December, the average low-temperature records at a freezing cold 22.8°F (-5.1°C) during the nights.Humidity
In December, the average relative humidity is 81%.Rainfall
In Loudon, in December, during 9.5 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Loudon, during the entire year, the rain falls for 138.6 days and collects up to 27.24" (692mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Loudon, New Hampshire. In Loudon, in December, during 8.7 snowfall days, 6.22" (158mm) of snow is typically accumulated. In Loudon, during the entire year, snow falls for 48.2 days and aggregates up to 30.71" (780mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Loudon, New Hampshire.On the first day of December in Loudon, 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.
Sunshine
In Loudon, New Hampshire, the average sunshine in December 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. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December in Loudon?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Loudon have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Loudon, New Hampshire, USA
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