December weather forecast
Bowmans Mill, MD

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Weather in December

The first month of the winter, December, is still a cold month in Bowmans Mill, Maryland, with an average temperature ranging between min 29.3°F (-1.5°C) and max 41.5°F (5.3°C).

Temperature

Onset of December comes with a temperature decline, the average high falling from a fresh 50.7°F (10.4°C) in November to a wintry 41.5°F (5.3°C). Bowmans Mill records a consistent low-temperature of 29.3°F (-1.5°C) during December nights.

Humidity

In Bowmans Mill, the average relative humidity in December is 78%.

Rainfall

In Bowmans Mill, during December, the rain falls for 11.2 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Bowmans Mill, during the entire year, the rain falls for 164.7 days and collects up to 29.17" (741mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Bowmans Mill. In Bowmans Mill, in December, snow falls for 5.2 days, with typically accumulated 2.17" (55mm) of snow. In Bowmans Mill, during the entire year, snow falls for 28.6 days and aggregates up to 14.65" (372mm) 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 the month, sunrise is at 7:12 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:56 pm EST.

Sunshine

In December, the average sunshine in Bowmans Mill, Maryland, is 4.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Bowmans Mill. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

How cold is December in Bowmans Mill?

The average high-temperature and low-temperature in Bowmans Mill during December are 41.5°F (5.3°C) and 29.3°F (-1.5°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 87.8°F (31°C).

What is the average humidity in December in Bowmans Mill?

In December, the average relative humidity in Bowmans Mill is 78%.

How many days does it rain in December in Bowmans Mill?

In December, in Bowmans Mill, Maryland, the rain falls for 11.2 days. Throughout December, 2.24" (57mm) of precipitation is accumulated.

How many days does it snow in December in Bowmans Mill?

In Bowmans Mill, Maryland, in December, snow falls for 5.2 days, with typically accumulated 2.17" (55mm) of snow.

What is the month with the shortest days in Bowmans Mill?

December has the shortest days of the year in Bowmans Mill, with an average of 9h and 24min of daylight.

What is the average length of the day in December in Bowmans Mill?

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

When is the sunrise / sunset in December in Bowmans Mill?

On the first day of December, sunrise is at 7:12 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:56 pm EST.

How long on average sun shines in December in Bowmans Mill?

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

What is the month with the lowest UV index in Bowmans Mill?

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

What is the UV index reading in December in Bowmans Mill?

In Bowmans Mill, Maryland, the average daily maximum UV index in December is 2. A UV Index estimate 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
Bowmans Mill, MD

Average temperature in December - Bowmans Mill, MD
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure in December
Bowmans Mill, MD

Average pressure in December - Bowmans Mill, 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
Bowmans Mill, MD

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

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in December
Bowmans Mill, MD

Average humidity in December - Bowmans Mill, MD
  • Average humidity in December: 78%

The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (75%).

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Average rainfall in December
Bowmans Mill, MD

Average rainfall in December - Bowmans Mill, MD
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.97").

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Average rainfall days in December
Bowmans Mill, MD

Average rainfall days in December - Bowmans Mill, MD
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in December
Bowmans Mill, MD

Average snowfall in December - Bowmans Mill, MD
  • Average snowfall in December: 2.17"

The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Bowmans Mill, MD

Average snowfall days in December - Bowmans Mill, MD
  • Average snowfall days in December: 5.2 days

The month with the highest number of snowfall days is January (9 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
Bowmans Mill, MD

Average daylight in December / Average sunshine in December - Bowmans Mill, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Bowmans Mill, MD

Average sunshine days in December - Bowmans Mill, MD
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in December
Bowmans Mill, MD

Average UV index in December - Bowmans Mill, MD
  • Average UV index in December: 2

The months with the highest UV index are May, June and July (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
Bowmans Mill, MD

Average cloud cover in December - Bowmans Mill, MD
  • Average cloud cover in December: 49

The months with the most cloud cover are January, February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in December
Bowmans Mill, MD

Average visibility in December - Bowmans Mill, MD
  • Average visibility in December: 6mi

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

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Bowmans Mill, Maryland, USA

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