December weather forecast and climate
Middlefield, CT

Weather in December

The first month of the winter, December, is also a wintry month in Middlefield, Connecticut, with average temperature fluctuating between 29.1°F (-1.6°C) and 39.7°F (4.3°C).

Temperature

In Middlefield, Connecticut, the average high-temperature drops, from a chilly 49.3°F (9.6°C) in November, to a cold 39.7°F (4.3°C). In December, the average low-temperature is 29.1°F (-1.6°C).

Humidity

In Middlefield, the average relative humidity is 77%.

Rainfall

Months with the most rainfall in Middlefield are July and December, with an average 1.26" (32mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. In December, it is snowing for 3.9 days. Throughout December, 0.91" (23mm) of snow is accumulated. In Middlefield, during the entire year, snow falls for 22.3 days, and aggregates up to 4.96" (126mm) of snow.

Daylight

With an average of 9.2h of daylight, December has the shortest days of the year.

Sunshine

In Middlefield, Connecticut, the average sunshine is 4.7h.

UV index

Months with the lowest UV index in Middlefield, Connecticut, are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
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 Middlefield?

In December, in Middlefield, Connecticut, the average high-temperature is 39.7°F (4.3°C), and the average low-temperature is 29.1°F (-1.6°C).

What is the average humidity in December in Middlefield?

The average relative humidity in December is 77%.

How many days does it rain in December in Middlefield?

In Middlefield, Connecticut, during December, the rain falls for 8.3 days and regularly aggregates up to 1.26" (32mm) of precipitation.

What is the rainiest month in Middlefield?

The wettest months in Middlefield, Connecticut, are July and December, with an average 1.26" (32mm) of rainfall.

How much does it snow in Middlefield in December?

In Middlefield, in December, during 3.9 snowfall days, 0.91" (23mm) of snow is typically accumulated.

What is the month with the shortest days in Middlefield?

December has the shortest days of the year, with an average of 9.2h of daylight.

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

In December, the average length of the day in Middlefield, Connecticut, is 9.2h.

How long on average sun shines in December in Middlefield?

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

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

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

How high is the UV index in December in Middlefield?

In Middlefield, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.

Average temperature in December
Middlefield, CT

Average temperature in December - Middlefield, 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 (34°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 (22.3°F).

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Average pressure in December
Middlefield, CT

Average pressure in December - Middlefield, CT
  • Average pressure in December: 30.05"

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

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Average wind speed in December
Middlefield, CT

Average wind speed in December - Middlefield, 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 (5.4mph).

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Average humidity in December
Middlefield, CT

Average humidity in December - Middlefield, 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
Middlefield, CT

Average rainfall in December - Middlefield, CT
  • Average rainfall in December: 1.26"

The wettest months (with the highest rainfall) are July and December (1.26").
The driest month (with the least rainfall) is September (0.55").

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Average rainfall days in December
Middlefield, CT

Average rainfall days in December - Middlefield, CT
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (6.1 days).

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Average snowfall in December
Middlefield, CT

Average snowfall in December - Middlefield, CT
  • Average snowfall in December: 0.91"

The month with the highest snowfall is March (1.5").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Middlefield, CT

Average snowfall days in December - Middlefield, CT
  • Average snowfall days in December: 3.9 days

The month with the highest number of snowfall days is February (6.3 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Middlefield, CT

Average daylight in December / Average sunshine in December - Middlefield, CT
  • Average daylight in December: 9.2h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 4.7h

Months with the most sunshine are July and August (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in December
Middlefield, CT

Average sunshine days in December - Middlefield, CT
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (15.3 days).

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Average UV index in December
Middlefield, CT

Average UV index in December - Middlefield, CT
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 6).
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
Middlefield, CT

Average cloud cover in December - Middlefield, CT
  • Average cloud cover in December: 49

Months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in December
Middlefield, CT

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

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

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