December weather forecast
Milldale, CT

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Weather in December

December, the first month of the winter in Milldale, is also a wintry month, with temperature in the range of an average high of 39.7°F (4.3°C) and an average low of 29.1°F (-1.6°C).

Temperature

December's arrival coincides with a drop in the average high-temperature, decreasing from November's chilly 49.1°F (9.5°C) to an icy 39.7°F (4.3°C). Milldale records a mean low-temperature of 29.1°F (-1.6°C) in December.

Humidity

In Milldale, the average relative humidity in December is 77%.

Rainfall

The month with the most rainfall is December, when the rain falls for 11.5 days and typically aggregates up to 3.82" (97mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In Milldale, in December, during 5.4 snowfall days, 2.28" (58mm) of snow is typically accumulated. In Milldale, during the entire year, snow falls for 30 days and aggregates up to 15.28" (388mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of December in Milldale, sunrise is at 6:59 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:31 pm EST.

Sunshine

In Milldale, the average sunshine in December is 4.7h.

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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

How cold is it in Milldale in December?

December temperatures in Milldale vary between a high-temperature of 39.7°F (4.3°C) and a low-temperature of 29.1°F (-1.6°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 86°F (30°C).

What is the average humidity in December in Milldale?

In December, the average relative humidity in Milldale, Connecticut, is 77%.

What is the rainiest month in Milldale?

December is the month with the most rainfall in Milldale. Rain falls for 11.5 days and accumulates 3.82" (97mm) of precipitation.

How much does it rain in Milldale in December?

In Milldale, Connecticut, in December, during 11.5 rainfall days, 3.82" (97mm) of precipitation is typically accumulated.

How much does it snow in Milldale in December?

In Milldale, in December, during 5.4 snowfall days, 2.28" (58mm) of snow is typically accumulated.

What is the month with the shortest days in Milldale?

December has the shortest days of the year in Milldale, with an average of 9h and 12min of daylight.

How many hours of daylight does Milldale have in December?

In Milldale, Connecticut, the average day length in December is 9h and 14min.

When are sunrise and sunset in December in Milldale?

On the first day of December in Milldale, sunrise is at 6:59 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:31 pm EST.

How many hours of sunshine does Milldale have in December?

In Milldale, Connecticut, the average sunshine duration in December is 4.7h.

What is the month with the lowest UV index in Milldale?

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

What is the UV index reading in December in Milldale?

In Milldale, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Milldale, CT

Average temperature in December - Milldale, CT
  • Average high temperature in December: 39.7°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in December: 29.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

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Average pressure in December
Milldale, CT

Average pressure in December - Milldale, CT
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Milldale, CT

Average wind speed in December - Milldale, CT
  • Average wind speed in December: 8mph

The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Milldale, CT

Average humidity in December - Milldale, CT
  • 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
Milldale, CT

Average rainfall in December - Milldale, CT
  • Average rainfall in December: 3.82"

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in December
Milldale, CT

Average rainfall days in December - Milldale, CT
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in December
Milldale, CT

Average snowfall in December - Milldale, CT
  • Average snowfall in December: 2.28"

The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Milldale, CT

Average snowfall days in December - Milldale, CT
  • Average snowfall days in December: 5.4 days

The month with the highest number of snowfall days is February (8.4 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
Milldale, CT

Average daylight in December / Average sunshine in December - Milldale, CT
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in December
Milldale, CT

Average sunshine days in December - Milldale, CT
  • Average sunshine days in December: 14.7 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in December
Milldale, CT

Average UV index in December - Milldale, CT
  • 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
Milldale, CT

Average cloud cover in December - Milldale, CT
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in December
Milldale, CT

Average visibility in December - Milldale, CT
  • Average visibility in December: 6mi

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

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Milldale, Connecticut, USA

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