December weather forecast
Mondell, MD

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Weather in December

December, the first month of the winter in Mondell, is also an icy month, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 30.2°F (-1°C).

Temperature

December's arrival corresponds with a decrease in average high-temperatures, from November's fresh 51.6°F (10.9°C) to a wintry 42.3°F (5.7°C). Mondell encounters a steady low-temperature average of 30.2°F (-1°C) throughout the month of December.

Humidity

May, October and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Mondell, in December, during 10.8 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Mondell, during the entire year, the rain falls for 162.4 days and collects up to 30.16" (766mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Mondell, during December, snow falls for 4.5 days and regularly aggregates up to 2.09" (53mm) of snow. In Mondell, Maryland, during the entire year, snow falls for 24.4 days and aggregates up to 14.29" (363mm) 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 4:47 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:57 pm EST.

Sunshine

In Mondell, the average sunshine in December is 4.8h.

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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

Is it cold in Mondell during December?

The average high-temperature and low-temperature during December are 42.3°F (5.7°C) and 30.2°F (-1°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 91.4°F (33°C).

What are the most humid months?

May, October and December, with an average relative humidity of 79%, are most humid months in Mondell, Maryland.

What is the average humidity in December in Mondell?

In Mondell, the average relative humidity in December is 79%.

How many days does it rain in December?

In Mondell, in December, it is raining for 10.8 days, with typically 2.2" (56mm) of accumulated precipitation.

How many days does it snow in December?

In December, it is snowing for 4.5 days. Throughout December, 2.09" (53mm) 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 24min of daylight.

How many hours of daylight does Mondell have in December?

In December, the average day length in Mondell is 9h and 26min.

When are sunrise and sunset in December?

On the first day of December in Mondell, sunrise is at 7:12 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:57 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.8h.

When is 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 reading in December?

The average daily maximum UV index in December in Mondell is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Mondell, MD

Average temperature in December - Mondell, MD
  • Average high temperature in December: 42.3°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 (37°F).

  • Average low temperature in December: 30.2°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in December
Mondell, MD

Average pressure in December - Mondell, 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
Mondell, MD

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

The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December
Mondell, MD

Average humidity in December - Mondell, MD
  • Average humidity in December: 79%

The months with the highest relative humidity are May, October and December (79%).
The month with the lowest relative humidity is July (74%).

Average rainfall in December
Mondell, MD

Average rainfall in December - Mondell, MD
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (1.97").

Average rainfall days in December
Mondell, MD

Average rainfall days in December - Mondell, MD
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in December
Mondell, MD

Average snowfall in December - Mondell, MD
  • Average snowfall in December: 2.09"

The month with the highest snowfall is January (4.72").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Mondell, MD

Average snowfall days in December - Mondell, MD
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Mondell, 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).

Average sunshine days in December
Mondell, MD

Average sunshine days in December - Mondell, MD
  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is April (11 days).

Average UV index in December
Mondell, MD

Average UV index in December - Mondell, 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
Mondell, MD

Average cloud cover in December - Mondell, MD
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Mondell, MD

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

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

Mondell, Maryland, USA

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