December weather forecast and climate
Milton Mills, NH

Weather in December

The first month of the winter, December, is still a cold month in Milton Mills, New Hampshire, with average temperature fluctuating between 23°F (-5°C) and 33.8°F (1°C).

Temperature

In December, the average high-temperature drops, from a chilly 45°F (7.2°C) in November, to a wintry 33.8°F (1°C). The average low-temperature, in Milton Mills, is 23°F (-5°C).

Humidity

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

Rainfall

In Milton Mills, during 8.5 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Milton Mills, during the entire year, the rain falls for 138.3 days and collects up to 28.86" (733mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Milton Mills, snow falls for 8.7 days, with typically accumulated 6.61" (168mm) of snow. In Milton Mills, 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 in Milton Mills, New Hampshire, is December, with an average of 9h of daylight.

Sunshine

In December, the average sunshine in Milton Mills is 4.6h.

UV index

Months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Milton Mills?

In December, 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 Mills?

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

How many days does it rain in December in Milton Mills?

In Milton Mills, New Hampshire, during December, the rain falls for 8.5 days and regularly aggregates up to 2.95" (75mm) of precipitation.

How much does it snow in Milton Mills in December?

In Milton Mills, 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 Mills?

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

How many hours of daylight does Milton Mills have in December?

In December, the average length of the day in Milton Mills, New Hampshire, is 9h.

How long on average sun shines in December in Milton Mills?

The average sunshine in December is 4.6h.

When is the lowest UV index in Milton Mills?

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

What is the UV index intensity in December in Milton Mills?

In Milton Mills, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to the UV radiation.

Average temperature in December
Milton Mills, NH

Average temperature in December - Milton Mills, 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 Mills, NH

Average pressure in December - Milton Mills, NH
  • Average pressure in December: 30.03"

The month with the highest atmospheric pressure is November (30.06").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in December
Milton Mills, NH

Average wind speed in December - Milton Mills, 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 Mills, NH

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

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 Mills, NH

Average rainfall in December - Milton Mills, 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 Mills, NH

Average rainfall days in December - Milton Mills, 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 Mills, NH

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

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

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Average snowfall days in December
Milton Mills, NH

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

The month with the highest number of snowfall days is January (10.7 days).
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 Mills, NH

Average daylight in December / Average sunshine in December - Milton Mills, NH
  • Average daylight in December: 9h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in December: 4.6h

The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days in December
Milton Mills, NH

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

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 Mills, NH

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

The month with the highest UV index is August (UV index 6).
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 Mills, NH

Average cloud cover in December - Milton Mills, 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 Mills, NH

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

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

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