December weather forecast
Elmer, MD

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Weather in December

December, the first month of the winter in Elmer, is also a frosty month, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 44.1°F (6.7°C).

Temperature

December indicates a shift in the average high-temperature, from November's cool 53.2°F (11.8°C) to a frosty 44.1°F (6.7°C). Throughout December, an average low-temperature of 31.1°F (-0.5°C) is expected.

Humidity

October and December, with an average relative humidity of 78%, are the most humid months in Elmer, Maryland.

Rainfall

In Elmer, Maryland, during December, the rain falls for 11.1 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Elmer, during the entire year, the rain falls for 161.6 days and collects up to 31.38" (797mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Elmer, in December, snow falls for 3.2 days, with typically accumulated 2.05" (52mm) of snow. In Elmer, Maryland, during the entire year, snow falls for 18.2 days and aggregates up to 12.6" (320mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December in Elmer, sunrise is at 7:10 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:57 pm EST.

Sunshine

In December, the average sunshine is 5.1h.

UV index

The months with the lowest UV index in Elmer, Maryland, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, a daily UV index of 2 turns into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

Is December cold in Elmer?

In Elmer, in December, the average high-temperature is 44.1°F (6.7°C), and the average low-temperature is 31.1°F (-0.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in August is evaluated at 93.2°F (34°C).

What is the most humid month in Elmer?

The months with the highest humidity in Elmer are October and December, with an average relative humidity of 78%.

What is the average humidity in December in Elmer?

The average relative humidity in December is 78%.

How much does it rain in Elmer in December?

In Elmer, Maryland, during December, the rain falls for 11.1 days and regularly aggregates up to 2.64" (67mm) of precipitation.

How many days does it snow in December in Elmer?

In Elmer, during December, snow falls for 3.2 days and regularly aggregates up to 2.05" (52mm) of snow.

What is the month with the shortest days in Elmer?

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

What is the average length of the day in December in Elmer?

The average day length in December in Elmer, Maryland, is 9h and 28min.

When is the sunrise / sunset in December in Elmer?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:57 pm EST.

How long on average sun shines in December in Elmer?

In December, the average sunshine duration in Elmer, Maryland, is 5.1h.

What are the months with the lowest UV index in Elmer?

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

What is the UV index intensity in December in Elmer?

The average daily maximum UV index in December in Elmer, Maryland, is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
53.2°F 11.8°C
44.1°F 6.7°C
38.8°F 3.8°C
Average low temperature
36.5°F 2.5°C
31.1°F -0.5°C
25.2°F -3.8°C
Average pressure
30.14" 766mmHg
30.11" 765mmHg
30.11" 765mmHg
Average wind speed
6.5mph 10.5km/h
6.6mph 10.6km/h
7.2mph 11.6km/h
Average max. wind speed
7.1mph 11.4km/h
7.3mph 11.7km/h
8mph 12.9km/h
Average wind speed gusts
10.9mph 17.5km/h
10.8mph 17.4km/h
11.6mph 18.7km/h
Average humidity
76%
78%
75%
Average rainfall
2.32" 59mm
2.64" 67mm
2.13" 54mm
Average rainfall days
9.6
11.1
9.8
Average snowfall
0.2" 5mm
2.05" 52mm
3.66" 93mm
Average snowfall days
0.6
3.2
5.5
Average daylight
10h 0min
9h 3min
9h 5min
Average sunshine
5h 5min
5h 1min
5h 0min
Average sunshine days
19.5
16.9
16.8
Average UV index
2
2
2
Average cloud cover
37%
46%
46%
Average visibility
6mi 9.7km
6mi 9.7km
5mi 8km

Average temperature in December
Elmer, MD

Average temperature in December - Elmer, MD
  • Average high temperature in December: 44.1°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in December
Elmer, MD

Average pressure in December - Elmer, 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
Elmer, MD

Average wind speed in December - Elmer, MD
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is March (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in December
Elmer, MD

Average humidity in December - Elmer, MD
  • Average humidity in December: 78%

The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (72%).

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Average rainfall in December
Elmer, MD

Average rainfall in December - Elmer, MD
  • Average rainfall in December: 2.64"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in December
Elmer, MD

Average rainfall days in December - Elmer, MD
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.6 days).

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Average snowfall in December
Elmer, MD

Average snowfall in December - Elmer, MD
  • Average snowfall in December: 2.05"

The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Elmer, MD

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

The months with the highest number of snowfall days are January and February (5.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Elmer, 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 month with the least sunshine is January (Average sunshine: 5h and 0min).

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Average sunshine days in December
Elmer, MD

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

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in December
Elmer, MD

Average UV index in December - Elmer, 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).

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Average cloud cover in December
Elmer, MD

Average cloud cover in December - Elmer, MD
  • Average cloud cover in December: 46

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in December
Elmer, MD

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

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

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Elmer, Maryland, USA

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