December weather forecast
Madbury, NH

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Weather in December

The first month of the winter, December, is also an icy month in Madbury, New Hampshire, with an average temperature ranging between min 27.3°F (-2.6°C) and max 37°F (2.8°C).

Temperature

Madbury in December experiences a subtle temperature decline, with average high-temperatures reducing from a chilly 46.6°F (8.1°C) in November to a cold 37°F (2.8°C). Madbury's December nights cool down to an average low-temperature of 27.3°F (-2.6°C).

Humidity

In December, the average relative humidity is 78%.

Rainfall

The months with the most rainfall are October and December, with an average 2.87" (73mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. December is the month with the most snowfall. Snow falls for 7.3 days and accumulates 4.53" (115mm) of snow.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year in Madbury.
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

The months with the least sunshine are February and December, with an average of 4.8h of sunshine.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The average high-temperature and low-temperature during December are 37°F (2.8°C) and 27.3°F (-2.6°C) respectively.

What is the average humidity in December?

In Madbury, the average relative humidity in December is 78%.

What is the wettest month?

The months with the most rainfall are October and December, with an average 2.87" (73mm) of precipitation.

How many days does it rain in December?

In Madbury, in December, during 11.2 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

When does it snow the most in Madbury?

December is the month with the most snowfall. Snow falls for 7.3 days and accumulates 4.53" (115mm) of snow.

How many days does it snow in December?

In Madbury, during December, snow falls for 7.3 days and regularly aggregates up to 4.53" (115mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

What is the average length of the day in December?

In Madbury, the average day length in December is 9h and 3min.

What time are sunrise and sunset in December?

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.

What are the months with the least sunshine?

February and December, with an average of 4.8h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 4.8h.

When is the lowest UV index?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Madbury, NH

Average temperature in December - Madbury, 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
Madbury, NH

Average pressure in December - Madbury, 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
Madbury, NH

Average wind speed in December - Madbury, 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
Madbury, NH

Average humidity in December - Madbury, 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
Madbury, NH

Average rainfall in December - Madbury, 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
Madbury, NH

Average rainfall days in December - Madbury, 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
Madbury, NH

Average snowfall in December - Madbury, 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
Madbury, NH

Average snowfall days in December - Madbury, 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
Madbury, NH

Average daylight in December / Average sunshine in December - Madbury, 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
Madbury, NH

Average sunshine days in December - Madbury, 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
Madbury, NH

Average UV index in December - Madbury, 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
Madbury, NH

Average cloud cover in December - Madbury, 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
Madbury, NH

Average visibility in December - Madbury, 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).

Madbury, New Hampshire, USA

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