December weather forecast
Brittany, MD

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Weather in December

December, the first month of the winter in Brittany, is still a chilly month, with an average temperature ranging between max 44.1°F (6.7°C) and min 32.9°F (0.5°C).

Temperature

The start of December involves a subtle temperature drop, shifting from a fresh 53.1°F (11.7°C) in November to a chilly 44.1°F (6.7°C). An average low-temperature of 32.9°F (0.5°C) is recorded during the nights in December.

Humidity

In December, the average relative humidity in Brittany is 76%.

Rainfall

In Brittany, in December, it is raining for 11.8 days, with typically 2.6" (66mm) of accumulated precipitation. In Brittany, during the entire year, the rain falls for 165.5 days and collects up to 31.65" (804mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In December, in Brittany, it is snowing for 2.9 days. Throughout December, 1.22" (31mm) of snow is accumulated. Throughout the year, in Brittany, there are 16.6 snowfall days, and 7.8" (198mm) of snow is accumulated.

Daylight

The month with the shortest days in Brittany is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:54 pm EST.

Sunshine

The average sunshine in December is 5.2h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Brittany. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

Is December cold in Brittany?

December temperatures in Brittany, Maryland, vary between a high-temperature of 44.1°F (6.7°C) and a low-temperature of 32.9°F (0.5°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 89.6°F (32°C).

What is the average humidity in December in Brittany?

In Brittany, Maryland, the average relative humidity in December is 76%.

How much does it rain in Brittany in December?

In Brittany, during December, the rain falls for 11.8 days and regularly aggregates up to 2.6" (66mm) of precipitation.

How many days does it snow in December in Brittany?

In Brittany, Maryland, during December, snow falls for 2.9 days and regularly aggregates up to 1.22" (31mm) of snow.

What is the month with the shortest days in Brittany?

The month with the shortest days in Brittany, Maryland, is December, with an average of 9h and 30min of daylight.

How many hours of daylight does Brittany have in December?

In Brittany, the average day length in December is 9h and 28min.

When is the sunrise / sunset in December in Brittany?

On the first day of December in Brittany, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:54 pm EST.

How long on average sun shines in December in Brittany?

In Brittany, Maryland, the average sunshine duration in December is 5.2h.

What are the months with the lowest UV index in Brittany?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Brittany, Maryland.

How high is the UV index in December in Brittany?

The average daily maximum UV index in December in Brittany is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from 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
Brittany, MD

Average temperature in December - Brittany, MD
  • Average high temperature in December: 44.1°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in December
Brittany, MD

Average pressure in December - Brittany, MD
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Brittany, MD

Average wind speed in December - Brittany, MD
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in December
Brittany, MD

Average humidity in December - Brittany, MD
  • Average humidity in December: 76%

The months with the highest relative humidity are May and October (77%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in December
Brittany, MD

Average rainfall in December - Brittany, MD
  • Average rainfall in December: 2.6"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").

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Average rainfall days in December
Brittany, MD

Average rainfall days in December - Brittany, MD
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).

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Average snowfall in December
Brittany, MD

Average snowfall in December - Brittany, MD
  • Average snowfall in December: 1.22"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Brittany, MD

Average snowfall days in December - Brittany, MD
  • Average snowfall days in December: 2.9 days

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Brittany, MD

Average daylight in December / Average sunshine in December - Brittany, MD
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in December
Brittany, MD

Average sunshine days in December - Brittany, MD
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).

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Average UV index in December
Brittany, MD

Average UV index in December - Brittany, MD
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Brittany, MD

Average cloud cover in December - Brittany, MD
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in December
Brittany, MD

Average visibility in December - Brittany, MD
  • Average visibility in December: 6mi

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

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Brittany, Maryland, USA

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