December weather forecast
Indian Harbor, MD

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Weather in December

December, the first month of the winter in Indian Harbor, is also a frosty month, with temperature in the range of an average high of 46.2°F (7.9°C) and an average low of 36.5°F (2.5°C).

Temperature

As November makes way for December, Indian Harbor's average high-temperature eases from a cool 54.5°F (12.5°C) to a chilly 46.2°F (7.9°C). In the month of December, the average temperature in Indian Harbor dips to a cold 36.5°F (2.5°C) during the night.

Humidity

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

Rainfall

In Indian Harbor, Maryland, during December, the rain falls for 11.1 days and regularly aggregates up to 2.91" (74mm) of precipitation. Throughout the year, there are 157 rainfall days, and 32.91" (836mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Indian Harbor, in December, during 1.6 snowfall days, 0.67" (17mm) of snow is typically accumulated. In Indian Harbor, during the entire year, snow falls for 9.8 days and aggregates up to 3.82" (97mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:53 pm EST.

Sunshine

The average sunshine in December is 5.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

What is the average December temperature?

In December, in Indian Harbor, the average high-temperature is 46.2°F (7.9°C), and the average low-temperature is 36.5°F (2.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 89.6°F (32°C).

What is the average humidity in December?

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

How much does it rain in December?

In Indian Harbor, in December, during 11.1 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 1.6 days. Throughout December, 0.67" (17mm) of snow is accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Indian Harbor have in December?

The average day length in December is 9h and 31min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:53 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.3h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents 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
Indian Harbor, MD

Average temperature in December - Indian Harbor, MD
  • Average high temperature in December: 46.2°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in December
Indian Harbor, MD

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

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Indian Harbor, MD

Average wind speed in December - Indian Harbor, MD
  • Average wind speed in December: 9.2mph

The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in December
Indian Harbor, MD

Average humidity in December - Indian Harbor, MD
  • Average humidity in December: 76%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in December
Indian Harbor, MD

Average rainfall in December - Indian Harbor, MD
  • Average rainfall in December: 2.91"

The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (1.93").

Average rainfall days in December
Indian Harbor, MD

Average rainfall days in December - Indian Harbor, MD
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is May (17.2 days).
The months with the least rainy days are January and November (8.8 days).

Average snowfall in December
Indian Harbor, MD

Average snowfall in December - Indian Harbor, MD
  • Average snowfall in December: 0.67"

The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Indian Harbor, MD

Average snowfall days in December - Indian Harbor, MD
  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is January (3.2 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
Indian Harbor, MD

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days in December
Indian Harbor, MD

Average sunshine days in December - Indian Harbor, MD
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and August (11.8 days).

Average UV index in December
Indian Harbor, MD

Average UV index in December - Indian Harbor, 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 and December (UV index 2).

Average cloud cover in December
Indian Harbor, MD

Average cloud cover in December - Indian Harbor, MD
  • Average cloud cover in December: 43

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in December
Indian Harbor, MD

Average visibility in December - Indian Harbor, 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).

Indian Harbor, Maryland, USA

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