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 weather is marked by a drop in the average high-temperature, falling from a chilly 44.6°F (7°C) in November to a wintry 33.1°F (0.6°C). In Contoocook, the average low-temperature during the month of December is a subzero cold 22.8°F (-5.1°C).Humidity
In Contoocook, the average relative humidity in December is 82%.Rainfall
In December, the rain falls for 9.3 days. Throughout December, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 144.3 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Contoocook, in December, snow falls for 8.3 days, with typically accumulated 6.54" (166mm) of snow. Throughout the year, there are 45.3 snowfall days, and 31.42" (798mm) of snow is accumulated.Daylight
The month with the shortest days in Contoocook is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:21 pm EST.
Sunshine
In December, the average sunshine is 4.6h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Contoocook have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading 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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