December weather forecast
Warren, NH

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Weather in December

December, the first month of the winter in Warren, is also a subzero cold month, with an average temperature fluctuating between 29.1°F (-1.6°C) and 19.8°F (-6.8°C).

Temperature

Onset of December witnesses a reduction in the average high-temperature, falling from a cold 40.6°F (4.8°C) in November to a freezing cold 29.1°F (-1.6°C). In December, Warren reports a consistent average low-temperature of 19.8°F (-6.8°C) during the nights.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Warren, during December, the rain falls for 9.8 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, there are 136.5 rainfall days, and 13.54" (344mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Warren, in December, snow falls for 13.4 days, with typically accumulated 2.72" (69mm) of snow. Throughout the year, there are 77.2 snowfall days, and 22.52" (572mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 7:02 am and sunset at 4:11 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:19 pm EST.

Sunshine

In Warren, the average sunshine in December is 4.2h.

UV index

In December, the average daily maximum UV index in Warren is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In December, an average UV index of 2 transforms into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

How cold is December in Warren?

The average high-temperature, in December, in Warren, is 29.1°F (-1.6°C), while the average low-temperature is 19.8°F (-6.8°C).

What is the average humidity in December in Warren?

In December, the average relative humidity in Warren, New Hampshire, is 83%.

How many days does it rain in December in Warren?

In December, the rain falls for 9.8 days. Throughout December, 1.02" (26mm) of precipitation is accumulated.

How much does it snow in Warren in December?

In December, it is snowing for 13.4 days. Throughout December, 2.72" (69mm) of snow is accumulated.

What is the month with the shortest days in Warren?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

How many hours of daylight does Warren have in December?

In December, the average day length in Warren, New Hampshire, is 8h and 58min.

When are sunrise and sunset in December in Warren?

On the first day of December, sunrise is at 7:02 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:19 pm EST.

How long on average sun shines in December in Warren?

The average sunshine duration in December in Warren is 4.2h.

What is the UV index intensity in December in Warren?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Warren, NH

Average temperature in December - Warren, NH
  • Average high temperature in December: 29.1°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.9°F).

  • Average low temperature in December: 19.8°F

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).

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Average pressure in December
Warren, NH

Average pressure in December - Warren, 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).

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Average wind speed in December
Warren, NH

Average wind speed in December - Warren, NH
  • Average wind speed in December: 6.5mph

The windiest months (with the highest average wind speed) are January, February and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity in December
Warren, NH

Average humidity in December - Warren, NH
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (76%).

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Average rainfall in December
Warren, NH

Average rainfall in December - Warren, NH
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is October (1.5").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days in December
Warren, NH

Average rainfall days in December - Warren, NH
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is November (8.2 days).

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Average snowfall in December
Warren, NH

Average snowfall in December - Warren, NH
  • Average snowfall in December: 2.72"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Warren, NH

Average snowfall days in December - Warren, NH
  • Average snowfall days in December: 13.4 days

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Warren, NH
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h and 1min

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 54min).

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Average sunshine days in December
Warren, NH

Average sunshine days in December - Warren, NH
  • Average sunshine days in December: 14.1 days

The month with the most sunshine days is September (17 days).
The month with the least sunshine days is February (10.8 days).

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Average UV index in December
Warren, NH

Average UV index in December - Warren, NH
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in December
Warren, NH

Average cloud cover in December - Warren, NH
  • Average cloud cover in December: 56

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 38).

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Average visibility in December
Warren, NH

Average visibility in December - Warren, NH
  • Average visibility in December: 5mi

The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).

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Warren, New Hampshire, USA

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