December weather forecast
Milton, NH

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Weather in December

December, the first month of the winter in Milton, is also an icy month, with an average temperature ranging between min 23°F (-5°C) and max 33.8°F (1°C).

Temperature

Observing a mild shift, the average high-temperature during December reduces from November's chilly 45°F (7.2°C) to a wintry 33.8°F (1°C). Milton reports an average low-temperature of 23°F (-5°C) during the nights of December.

Humidity

The average relative humidity in December in Milton, New Hampshire, is 81%.

Rainfall

In Milton, in December, during 8.5 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, in Milton, there are 138.3 rainfall days, and 28.86" (733mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Milton, New Hampshire. In December, it is snowing for 8.7 days. Throughout December, 6.61" (168mm) of snow is accumulated. In Milton, during the entire year, snow falls for 45.3 days and aggregates up to 30.63" (778mm) 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 4:17 pm EST.

Sunshine

The average sunshine in December in Milton is 4.6h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

How cold is it in Milton in December?

In December, in Milton, the average high-temperature is 33.8°F (1°C), and the average low-temperature is 23°F (-5°C).

What is the average humidity in December in Milton?

In Milton, the average relative humidity in December is 81%.

How much does it rain in Milton in December?

In December, in Milton, New Hampshire, the rain falls for 8.5 days. Throughout December, 2.95" (75mm) of precipitation is accumulated.

How much does it snow in Milton in December?

In Milton, New Hampshire, during December, snow falls for 8.7 days and regularly aggregates up to 6.61" (168mm) of snow.

What is the month with the shortest days in Milton?

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

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

In December, the average day length is 9h and 1min.

What time are sunrise and sunset in December in Milton?

On the first day of December in Milton, 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 4:17 pm EST.

How many hours of sunshine does Milton have in December?

The average sunshine duration in December is 4.6h.

When is the lowest UV index in Milton?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Milton, New Hampshire.

How high is the UV index in December in Milton?

In Milton, 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
Milton, NH

Average temperature in December - Milton, NH
  • Average high temperature in December: 33.8°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in December: 23°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

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Average pressure in December
Milton, NH

Average pressure in December - Milton, 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 (29.91"Hg).

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Average wind speed in December
Milton, NH

Average wind speed in December - Milton, NH
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).

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Average humidity in December
Milton, NH

Average humidity in December - Milton, NH
  • Average humidity in December: 81%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in December
Milton, NH

Average rainfall in December - Milton, NH
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days in December
Milton, NH

Average rainfall days in December - Milton, NH
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6 days).

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Average snowfall in December
Milton, NH

Average snowfall in December - Milton, NH
  • Average snowfall in December: 6.61"

The month with the highest snowfall is February (6.97").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Milton, NH

Average snowfall days in December - Milton, NH
  • Average snowfall days in December: 8.7 days

The month with the highest number of snowfall days is January (10.7 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
Milton, NH

Average daylight in December / Average sunshine in December - Milton, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in December
Milton, NH

Average sunshine days in December - Milton, NH
  • Average sunshine days in December: 16.2 days

The months with the most sunshine days are September and November (16.9 days).
The month with the least sunshine days is April (12.3 days).

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Average UV index in December
Milton, NH

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

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

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Average cloud cover in December
Milton, NH

Average cloud cover in December - Milton, NH
  • Average cloud cover in December: 49

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in December
Milton, NH

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

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

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Milton, New Hampshire, USA

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