December weather forecast
Flintstone, MD

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Weather in December

December, the first month of the winter in Flintstone, is still a cold month, with an average temperature fluctuating between 27.9°F (-2.3°C) and 40.1°F (4.5°C).

Temperature

The shift to December brings a decrease in the average high-temperature, falling from a frosty 49.1°F (9.5°C) in November to a cold 40.1°F (4.5°C). Flintstone registers a consistent average low-temperature of 27.9°F (-2.3°C) during December.

Humidity

The average relative humidity in December is 80%.

Rainfall

In Flintstone, during December, the rain falls for 13.7 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Flintstone, during the entire year, the rain falls for 168 days and collects up to 23.15" (588mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Flintstone, in December, during 7 snowfall days, 1.81" (46mm) of snow is typically accumulated. In Flintstone, during the entire year, snow falls for 36.4 days and aggregates up to 13.19" (335mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of December in Flintstone, Maryland, sunrise is at 7:16 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:00 pm EST.

Sunshine

In Flintstone, the average sunshine in December is 4.9h.

UV index

The months with the lowest UV index in Flintstone are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

How cold is December in Flintstone?

In Flintstone, 40.1°F (4.5°C) is the average high-temperature and 27.9°F (-2.3°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is estimated at 86°F (30°C).

What is the average humidity in December in Flintstone?

In December, the average relative humidity in Flintstone, Maryland, is 80%.

How many days does it rain in December in Flintstone?

In Flintstone, Maryland, in December, during 13.7 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

How much does it snow in Flintstone in December?

In December, in Flintstone, Maryland, it is snowing for 7 days. Throughout December, 1.81" (46mm) of snow is accumulated.

What is the month with the shortest days in Flintstone?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

How many hours of daylight does Flintstone have in December?

In December, the average day length in Flintstone, Maryland, is 9h and 25min.

What time are sunrise and sunset in December in Flintstone?

On the first day of December in Flintstone, sunrise is at 7:16 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:00 pm EST.

How long on average sun shines in December in Flintstone?

In December, the average sunshine duration in Flintstone, Maryland, is 4.9h.

When is the lowest UV index in Flintstone?

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

What is the UV index reading in December in Flintstone?

In December, the average daily maximum UV index in Flintstone is 2. A UV Index value of 2, and less, symbolizes 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
Flintstone, MD

Average temperature in December - Flintstone, MD
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in December: 27.9°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

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Average pressure in December
Flintstone, MD

Average pressure in December - Flintstone, 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 (29.95"Hg).

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Average wind speed in December
Flintstone, MD

Average wind speed in December - Flintstone, MD
  • Average wind speed in December: 7mph

The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in December
Flintstone, MD

Average humidity in December - Flintstone, MD
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).

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Average rainfall in December
Flintstone, MD

Average rainfall in December - Flintstone, MD
  • Average rainfall in December: 1.93"

The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is November (1.46").

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Average rainfall days in December
Flintstone, MD

Average rainfall days in December - Flintstone, MD
  • Average rainfall days in December: 13.7 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.9 days).

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Average snowfall in December
Flintstone, MD

Average snowfall in December - Flintstone, MD
  • Average snowfall in December: 1.81"

The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Flintstone, MD

Average snowfall days in December - Flintstone, MD
  • Average snowfall days in December: 7 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Flintstone, MD
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in December
Flintstone, MD

Average sunshine days in December - Flintstone, MD
  • Average sunshine days in December: 13.8 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.9 days).

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Average UV index in December
Flintstone, MD

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

The month with the highest UV index is June (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
Flintstone, MD

Average cloud cover in December - Flintstone, MD
  • Average cloud cover in December: 50

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in December
Flintstone, MD

Average visibility in December - Flintstone, MD
  • Average visibility in December: 5mi

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

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Flintstone, Maryland, USA

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