December weather forecast
Clumber, MD

Share

Weather in December

December, the first month of the winter in Clumber, is still a chilly month, with an average temperature ranging between min 34.7°F (1.5°C) and max 45.5°F (7.5°C).

Temperature

The average high-temperature shows a slight dip in December, from November's cool 53.8°F (12.1°C) to a chilly 45.5°F (7.5°C). Clumber's nights in December cool down to an average low-temperature of 34.7°F (1.5°C).

Humidity

In Clumber, the average relative humidity in December is 75%.

Rainfall

In Clumber, in December, it is raining for 11.4 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 2.4 days. Throughout December, 0.63" (16mm) of snow is accumulated. Throughout the year, there are 14 snowfall days, and 6.14" (156mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:54 pm EST.

Sunshine

In Clumber, the average sunshine in December is 5.2h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 2 during December translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the temperature in December?

The high-temperature, in December, in Clumber, records 45.5°F (7.5°C), while the low-temperature is 34.7°F (1.5°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in August is appraised at 91.4°F (33°C).

What is the average humidity in December?

In December, the average relative humidity is 75%.

How many days does it rain in December?

In Clumber, during December, the rain falls for 11.4 days and regularly aggregates up to 2.83" (72mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 2.4 days. Throughout December, 0.63" (16mm) of snow is 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 December, the average day length is 9h and 29min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:54 pm EST.

How long on average sun shines in December in Clumber?

In December, the average sunshine duration is 5.2h.

When is the lowest UV index?

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

What is the UV index reading in December in Clumber?

The average daily maximum UV index in December in Clumber is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's 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
Clumber, MD

Average temperature in December - Clumber, MD
  • Average high temperature in December: 45.5°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 (39.6°F).

  • Average low temperature in December: 34.7°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in December
Clumber, MD

Average pressure in December - Clumber, 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 (29.94"Hg).

Average wind speed in December
Clumber, MD

Average wind speed in December - Clumber, MD
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in December
Clumber, MD

Average humidity in December - Clumber, MD
  • Average humidity in December: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall in December
Clumber, MD

Average rainfall in December - Clumber, MD
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in December
Clumber, MD

Average rainfall days in December - Clumber, MD
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in December
Clumber, MD

Average snowfall in December - Clumber, MD
  • Average snowfall in December: 0.63"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Clumber, MD

Average snowfall days in December - Clumber, MD
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (4.4 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
Clumber, MD

Average daylight in December / Average sunshine in December - Clumber, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in December
Clumber, MD

Average sunshine days in December - Clumber, MD
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in December
Clumber, MD

Average UV index in December - Clumber, 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, November and December (UV index 2).

Average cloud cover in December
Clumber, MD

Average cloud cover in December - Clumber, MD
  • Average cloud cover in December: 44

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in December
Clumber, MD

Average visibility in December - Clumber, 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).

Clumber, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location