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
The shift to December brings a decrease in the average high-temperature, falling from a frosty 46.6°F (8.1°C) in November to a cold 35.4°F (1.9°C). In New Boston, December nights cool down to an average of 24.6°F (-4.1°C).Humidity
In New Boston, the average relative humidity in December is 80%.Rainfall
In December, in New Boston, the rain falls for 10.9 days. Throughout December, 2.8" (71mm) of precipitation is accumulated. Throughout the year, in New Boston, New Hampshire, there are 146.9 rainfall days, and 28.15" (715mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In New Boston, in December, during 6.3 snowfall days, 5.43" (138mm) of snow is typically accumulated. Throughout the year, in New Boston, there are 38.3 snowfall days, and 26.42" (671mm) of snow is accumulated.Daylight
December has the shortest days of the year in New Boston, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 6:58 am and sunset at 4:13 pm. On the last day of December, in New Boston, sunrise is at 7:17 am and sunset at 4:22 pm EST.
Sunshine
The average sunshine in December is 4.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
How cold is it in New Boston in December?
What is the average humidity in December in New Boston?
How many days does it rain in December in New Boston?
How much does it snow in New Boston in December?
What is the month with the shortest days in New Boston?
What is the average length of the day in December in New Boston?
When are sunrise and sunset in December in New Boston?
How many hours of sunshine does New Boston have in December?
When is the lowest UV index in New Boston?
What is the UV index reading in December in New Boston?
Average temperature in December
New Boston, NH
- Average high temperature in December: 35.4°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
New Boston, 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
New Boston, NH
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
New Boston, NH
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
New Boston, NH
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
New Boston, NH
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
New Boston, NH
- Average snowfall in December: 5.43"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
New Boston, NH
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
New Boston, NH
- Average daylight in December: 9h and 1min
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 6min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
New Boston, NH
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in December
New Boston, 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, November and December (UV index 2).
Average cloud cover in December
New Boston, NH
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
New Boston, NH
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
New Boston, New Hampshire, USA
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