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 arrival of December in Newmarket corresponds with a reduction in the average high-temperature, down from November's chilly 46.6°F (8.1°C) to an icy 37°F (2.8°C). In December, Newmarket reports a consistent average low-temperature of 27.3°F (-2.6°C) during the nights.Humidity
In December, the average relative humidity in Newmarket is 78%.Rainfall
The months with the most rainfall in Newmarket are October and December, with an average 2.87" (73mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 7.3 days and typically aggregates up to 4.53" (115mm) of snow.Daylight
December has the shortest days of the year in Newmarket, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 6:56 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:18 pm EST.
Sunshine
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Newmarket. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during December leads to these advisories:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is it in Newmarket in December?
What is the average humidity in December in Newmarket?
What is the wettest month in Newmarket?
How much does it rain in Newmarket in December?
What is the snowiest month in Newmarket?
How many days does it snow in December in Newmarket?
What is the month with the shortest days in Newmarket?
How many hours of daylight does Newmarket have in December?
What time are sunrise and sunset in December in Newmarket?
What are the months with the least sunshine in Newmarket?
How long on average sun shines in December in Newmarket?
What are the months with the lowest UV index in Newmarket?
How high is the UV index in December in Newmarket?
Average temperature in December
Newmarket, NH
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Newmarket, NH
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Newmarket, NH
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Newmarket, NH
- Average humidity in December: 78%
The months with the highest relative humidity are January and February (80%).
The months with the lowest relative humidity are April and November (75%).
Average rainfall in December
Newmarket, NH
- Average rainfall in December: 2.87"
The wettest months (with the highest rainfall) are October and December (2.87").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in December
Newmarket, NH
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in December
Newmarket, NH
- Average snowfall in December: 4.53"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Newmarket, NH
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Newmarket, 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 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Newmarket, NH
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in December
Newmarket, 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
Newmarket, NH
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Newmarket, NH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Newmarket, New Hampshire, USA
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