December weather forecast
Westmore, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Westmore, Maryland, with an average temperature ranging between max 45.3°F (7.4°C) and min 32.9°F (0.5°C).

Temperature

December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a cool 53.4°F (11.9°C) in November to a chilly 45.3°F (7.4°C). In the month of December, the temperature generally rests at an average low of 32.9°F (0.5°C).

Humidity

The most humid month is December, with an average relative humidity of 77%.

Rainfall

In Westmore, in December, it is raining for 9.9 days, with typically 2.44" (62mm) of accumulated precipitation. In Westmore, during the entire year, the rain falls for 156.4 days and collects up to 30.79" (782mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 3.2 days. Throughout December, 1.42" (36mm) of snow is accumulated. Throughout the year, there are 17.7 snowfall days, and 9.92" (252mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:56 pm EST.

Sunshine

January, February and December, with an average of 5.1h of sunshine, are months with the least sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 2 during December translates into the following guidance:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

What are December temperatures?

The high-temperature during December is 45.3°F (7.4°C) and the low-temperature is 32.9°F (0.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is evaluated at 95°F (35°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 77%.

What is the average humidity in December in Westmore?

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

How many days does it rain in December?

In Westmore, in December, during 9.9 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Westmore, Maryland, in December, during 3.2 snowfall days, 1.42" (36mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Westmore, the average day length in December is 9h and 29min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:56 pm EST.

What is the month with the least sunshine?

January, February and December, with an average of 5.1h of sunshine, are months with the least sunshine in Westmore.

How long on average sun shines in December?

In December, the average sunshine duration is 5.1h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In Westmore, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Westmore, MD

Average temperature in December - Westmore, MD
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in December
Westmore, MD

Average pressure in December - Westmore, 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).

Average wind speed in December
Westmore, MD

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

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Westmore, MD

Average humidity in December - Westmore, MD
  • Average humidity in December: 77%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).

Average rainfall in December
Westmore, MD

Average rainfall in December - Westmore, MD
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (1.97").

Average rainfall days in December
Westmore, MD

Average rainfall days in December - Westmore, MD
  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.2 days).

Average snowfall in December
Westmore, MD

Average snowfall in December - Westmore, MD
  • Average snowfall in December: 1.42"

The month with the highest snowfall is March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Westmore, MD

Average snowfall days in December - Westmore, MD
  • Average snowfall days in December: 3.2 days

The months with the highest number of snowfall days are January and February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Westmore, 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 months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

Average sunshine days in December
Westmore, MD

Average sunshine days in December - Westmore, MD
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (12 days).

Average UV index in December
Westmore, MD

Average UV index in December - Westmore, 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).

Average cloud cover in December
Westmore, MD

Average cloud cover in December - Westmore, MD
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in December
Westmore, MD

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

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

Westmore, Maryland, USA

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