December weather forecast
Milton, VT

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Weather in December

December ushers in the full force of winter in Milton, Vermont. This month is synonymous with short days, cold temperatures and heavy snowfall. Despite the freezing weather, the holiday spirit takes over the city with decorated shops, streets and homes sparkling under snow-lined rooftops. The end of the year is marked by quiet, peaceful winter days creating spectacular winter sceneries. December's significant weather elements include temperatures ranging from 20.5°F (-6.4°C) to 30°F (-1.1°C), substantial snowfall measuring 7.2" (183mm), and the shortest daylight hours of the year, reduced to 8.9 hours.

Temperature

The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a wintry 41.5°F (5.3°C) in November to a subzero cold 30°F (-1.1°C). Milton's nighttime temperature in December drops to an average of 20.5°F (-6.4°C).

Humidity

In December, the average relative humidity is 84%.

Rainfall

In Milton, in December, during 12 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. In Milton, during the entire year, the rain falls for 172.5 days and collects up to 28.07" (713mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 18.2 days. Throughout December, 7.2" (183mm) of snow is accumulated. Throughout the year, there are 92.6 snowfall days, and 43.98" (1117mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:13 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:22 pm EST.

Sunshine

In December, the average sunshine is 3.5h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Milton. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 1 transforms into these recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

How cold is December?

During December, Milton experiences an average high-temperature of 30°F (-1.1°C) and a low-temperature of 20.5°F (-6.4°C).

What is the average humidity in December?

In Milton, the average relative humidity in December is 84%.

How many days does it rain in December?

In Milton, in December, during 12 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Milton, in December, during 18.2 snowfall days, 7.2" (183mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

What is the average length of the day in December?

The average day length in December is 8h and 53min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:09 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:22 pm EST.

How many hours of sunshine does Milton have in December?

The average sunshine duration in December is 3.5h.

What is the month with the lowest UV index?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in December?

In Milton, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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, VT

Average temperature in December - Milton, VT
  • Average high temperature in December: 30°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in December: 20.5°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (12°F).

Average pressure in December
Milton, VT

Average pressure in December - Milton, VT
  • 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).

Average wind speed in December
Milton, VT

Average wind speed in December - Milton, VT
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Milton, VT

Average humidity in December - Milton, VT
  • Average humidity in December: 84%

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

Average rainfall in December
Milton, VT

Average rainfall in December - Milton, VT
  • Average rainfall in December: 2.17"

The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is February (1.73").

Average rainfall days in December
Milton, VT

Average rainfall days in December - Milton, VT
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is January (9 days).

Average snowfall in December
Milton, VT

Average snowfall in December - Milton, VT
  • Average snowfall in December: 7.2"

The month with the highest snowfall is February (9.65").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Milton, VT

Average snowfall days in December - Milton, VT
  • Average snowfall days in December: 18.2 days

The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Milton, VT

Average daylight in December / Average sunshine in December - Milton, VT
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 3h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).

Average sunshine days in December
Milton, VT

Average sunshine days in December - Milton, VT
  • Average sunshine days in December: 6.8 days

The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (6 days).

Average UV index in December
Milton, VT

Average UV index in December - Milton, VT
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Milton, VT

Average cloud cover in December - Milton, VT
  • Average cloud cover in December: 66

The month with the most cloud cover is February (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in December
Milton, VT

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

The months with the highest visibility are May, July and August (6mi).
The months with the lowest visibility are January, February and March (4mi).

Milton, Vermont, USA

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