December weather forecast
Pelham, NH

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Weather in December

December is one of the coldest months, with temperature averages oscillating from lows of 37.9°F (3.3°C) to highs of 27.3°F (-2.6°C). A substantial amount of snow, 4.49" (114mm) over 5.3 days, graces the city, intensifying the winter effect brought on in November. At this time, shorter daylight hours and decreased sunshine duration become more prominent. Despite experiencing only 4.9 hours of sun in a day, Pelham in its wintry cloak is a delight to behold. While the year ends, the weather cycle in Pelham completes a full circle, reverting to its wintery origins.

Temperature

Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 48.2°F (9°C) in November to an icy 37.9°F (3.3°C). In Pelham, in December, the average low-temperature is a freezing cold 27.3°F (-2.6°C).

Humidity

The average relative humidity in December in Pelham, New Hampshire, is 77%.

Rainfall

The month with the most rainfall in Pelham is December, when the rain falls for 10.6 days and typically aggregates up to 2.87" (73mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Pelham, during December, snow falls for 5.3 days and regularly aggregates up to 4.49" (114mm) of snow. Throughout the year, in Pelham, there are 31.9 snowfall days, and 20.94" (532mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of December in Pelham, sunrise is at 6:56 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:21 pm EST.

Sunshine

The average sunshine in December in Pelham is 4.9h.

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 exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

How cold does it get in Pelham in December?

Pelham in December has an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 27.3°F (-2.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in July is evaluated at 86°F (30°C).

What is the average humidity in December in Pelham?

In Pelham, New Hampshire, the average relative humidity in December is 77%.

What is the rainiest month in Pelham?

December is the month with the most rainfall in Pelham, New Hampshire. Rain falls for 10.6 days and accumulates 2.87" (73mm) of precipitation.

How many days does it rain in December in Pelham?

In Pelham, New Hampshire, during December, the rain falls for 10.6 days and regularly aggregates up to 2.87" (73mm) of precipitation.

How much does it snow in Pelham in December?

In December, it is snowing for 5.3 days. Throughout December, 4.49" (114mm) of snow is accumulated.

What is the month with the shortest days in Pelham?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

What is the average length of the day in December in Pelham?

In Pelham, New Hampshire, the average day length in December is 9h and 6min.

When are sunrise and sunset in December in Pelham?

On the first day of December, sunrise is at 6:56 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:21 pm EST.

How many hours of sunshine does Pelham have in December?

The average sunshine duration in December is 4.9h.

When is the lowest UV index in Pelham?

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

How high is the UV index in December in Pelham?

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

Average temperature in December - Pelham, NH
  • Average high temperature in December: 37.9°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

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Average pressure in December
Pelham, NH

Average pressure in December - Pelham, 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).

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Average wind speed in December
Pelham, NH

Average wind speed in December - Pelham, NH
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Pelham, NH

Average humidity in December - Pelham, NH
  • Average humidity in December: 77%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in December
Pelham, NH

Average rainfall in December - Pelham, NH
  • Average rainfall in December: 2.87"

The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days in December
Pelham, NH

Average rainfall days in December - Pelham, NH
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is May (15.9 days).
The months with the least rainy days are January and February (7.6 days).

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Average snowfall in December
Pelham, NH

Average snowfall in December - Pelham, NH
  • Average snowfall in December: 4.49"

The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Pelham, NH

Average snowfall days in December - Pelham, NH
  • Average snowfall days in December: 5.3 days

The month with the highest number of snowfall days is January (8.5 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
Pelham, NH

Average daylight in December / Average sunshine in December - Pelham, 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 month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Pelham, NH

Average sunshine days in December - Pelham, NH
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is May (13.5 days).

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Average UV index in December
Pelham, NH

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
Pelham, NH

Average cloud cover in December - Pelham, 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 31).

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Average visibility in December
Pelham, NH

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

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

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Pelham, New Hampshire, USA

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