December weather forecastNewbury, NH
December
Weather in December
December, the first month of the winter in Newbury, is still a freezing cold month, with an average temperature ranging between max 31.3°F (-0.4°C) and min 21°F (-6.1°C).Temperature
As November transitions to December, the average high-temperature falls from a cold 42.4°F (5.8°C) to a subzero cold 31.3°F (-0.4°C). Newbury encounters a steady low-temperature average of 21°F (-6.1°C) throughout the month of December.Humidity
The average relative humidity in December is 83%.Rainfall
In Newbury, in December, it is raining for 8.1 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, there are 121.9 rainfall days, and 13.58" (345mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 11.2 days. Throughout December, 2.6" (66mm) of snow is accumulated. Throughout the year, there are 65.7 snowfall days, and 19.88" (505mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:01 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:22 pm EST.
Sunshine
In December, the average sunshine is 4.2h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Newbury, NH
- Average high temperature in December: 31.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in December: 21°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in December
Newbury, 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 (29.91"Hg).
Average wind speed in December
Newbury, NH
- Average wind speed in December: 7.3mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Newbury, NH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Newbury, NH
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is October (1.61").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in December
Newbury, NH
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Newbury, NH
- Average snowfall in December: 2.6"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Newbury, NH
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is February (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Newbury, 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 12min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Newbury, NH
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is April (12.9 days).
Average UV index in December
Newbury, NH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Newbury, NH
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Newbury, NH
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
