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
December's arrival comes with a decrease in the average high-temperature, moving from a chilly 44.6°F (7°C) in November to a cold 33.1°F (0.6°C). Contoocook usually reports an average low-temperature of 22.8°F (-5.1°C) during the month of December.Humidity
In December, the average relative humidity is 82%.Rainfall
In Contoocook, in December, it is raining for 9.3 days, with typically 2.91" (74mm) of accumulated precipitation. Throughout the year, in Contoocook, there are 144.3 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
Months with snowfall in Contoocook are January through May, October through December. In December, it is snowing for 8.3 days. Throughout December, 6.54" (166mm) of snow is accumulated. Throughout the year, in Contoocook, there are 45.3 snowfall days, and 31.42" (798mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Contoocook.On the first day of December, sunrise is at 6:59 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:21 pm EST.
Sunshine
In Contoocook, the average sunshine in December is 4.6h.UV index
December is the month with the lowest UV index in Contoocook, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. 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. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
How cold is December in Contoocook?
What is the average humidity in December in Contoocook?
How many days does it rain in December in Contoocook?
How much does it snow in Contoocook in December?
What is the month with the shortest days in Contoocook?
What is the average length of the day in December in Contoocook?
When are sunrise and sunset in December in Contoocook?
How many hours of sunshine does Contoocook have in December?
When is the lowest UV index in Contoocook?
How high is the UV index in December in Contoocook?
Average temperature in December
Contoocook, NH
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in December
Contoocook, 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 (29.92"Hg).
Average wind speed in December
Contoocook, NH
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Contoocook, NH
- Average humidity in December: 82%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Contoocook, NH
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Contoocook, NH
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Contoocook, NH
- Average snowfall in December: 6.54"
The month with the highest snowfall is February (8.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Contoocook, NH
- Average snowfall days in December: 8.3 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Contoocook, 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
Contoocook, NH
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is January (16.6 days).
The month with the least sunshine days is March (12.7 days).
Average UV index in December
Contoocook, NH
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Contoocook, NH
- Average cloud cover in December: 50
The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Contoocook, 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).
Contoocook, New Hampshire, USA
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