December weather forecast
Barrington, NH

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Weather in December

Unfolding the winter saga, December exhibits chilly temperatures in Barrington, New Hampshire. The average highs stay at 35.6°F (2°C) and lows plunge to 24.6°F (-4.1°C). Witnessing a surge in snowfall after a prolonged wait, the city gets cloaked in a whitish cover. Although the daylight hours are relatively scarce, the month ends with festivities, marking the onset of another cycle of weather transition ahead.

Temperature

The onset of December results in a decrease in the average high-temperature, receding from a chilly 46°F (7.8°C) in November to a cold 35.6°F (2°C). Throughout December, an average low-temperature of 24.6°F (-4.1°C) is experienced.

Humidity

In Barrington, the average relative humidity in December is 80%.

Rainfall

The months with the most rainfall are October and December, with an average 3.11" (79mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 7.2 days and accumulates 6.69" (170mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 6:57 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:18 pm EST.

Sunshine

The average sunshine in December is 4.8h.

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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

How cold is it in Barrington in December?

In December, in Barrington, the average high-temperature is 35.6°F (2°C), and the average low-temperature is 24.6°F (-4.1°C).

What is the average humidity in December?

In Barrington, the average relative humidity in December is 80%.

What is the wettest month?

The wettest months are October and December, with an average 3.11" (79mm) of rainfall.

How much does it rain in December?

In Barrington, during December, the rain falls for 10 days and regularly aggregates up to 3.11" (79mm) of precipitation.

What is the snowiest month?

December is the month with the most snowfall. Snow falls for 7.2 days and accumulates 6.69" (170mm) of snow.

How much does it snow in December?

In Barrington, during December, snow falls for 7.2 days and regularly aggregates up to 6.69" (170mm) of snow.

What is the month with the shortest days?

With an average of 9h and 0min of daylight, December has the shortest days of the year.

How many hours of daylight does Barrington have in December?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:57 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:18 pm EST.

How long on average sun shines in December?

The average sunshine duration in December 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 in Barrington.

What is the UV index intensity in December?

In Barrington, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Barrington, NH

Average temperature in December - Barrington, NH
  • Average high temperature in December: 35.6°F

The warmest month (with the highest average high temperature) is July (78.3°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 (60.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in December
Barrington, NH

Average pressure in December - Barrington, 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
Barrington, NH

Average wind speed in December - Barrington, NH
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in December
Barrington, NH

Average humidity in December - Barrington, NH
  • Average humidity in December: 80%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is April (75%).

Average rainfall in December
Barrington, NH

Average rainfall in December - Barrington, NH
  • Average rainfall in December: 3.11"

The wettest months (with the highest rainfall) are October and December (3.11").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in December
Barrington, NH

Average rainfall days in December - Barrington, NH
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (6.8 days).

Average snowfall in December
Barrington, NH

Average snowfall in December - Barrington, NH
  • Average snowfall in December: 6.69"

The month with the highest snowfall is December (6.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Barrington, NH

Average snowfall days in December - Barrington, NH
  • Average snowfall days in December: 7.2 days

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Barrington, NH

Average daylight in December / Average sunshine in December - Barrington, 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 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 42min).

Average sunshine days in December
Barrington, NH

Average sunshine days in December - Barrington, NH
  • Average sunshine days in December: 16.1 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is April (13.3 days).

Average UV index in December
Barrington, NH

Average UV index in December - Barrington, 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
Barrington, NH

Average cloud cover in December - Barrington, 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 32).

Average visibility in December
Barrington, NH

Average visibility in December - Barrington, NH
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).

Barrington, New Hampshire, USA

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