December weather forecast
North Welham, MD

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Weather in December

The first month of the winter, December, is still a chilly month in North Welham, Maryland, with an average temperature fluctuating between 34.5°F (1.4°C) and 45.5°F (7.5°C).

Temperature

December signals a slight drop in average high-temperature, sliding from November's cool 53.6°F (12°C) to a chilly 45.5°F (7.5°C). North Welham experiences a consistent average temperature of 34.5°F (1.4°C) throughout the nights in December.

Humidity

The average relative humidity in December in North Welham, Maryland, is 76%.

Rainfall

In North Welham, in December, it is raining for 10.4 days, with typically 2.32" (59mm) of accumulated precipitation. In North Welham, during the entire year, the rain falls for 157.2 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In North Welham, in December, snow falls for 2.1 days, with typically accumulated 0.39" (10mm) of snow. In North Welham, during the entire year, snow falls for 11.9 days and aggregates up to 5.75" (146mm) of snow.

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 7:07 am and sunset at 4:44 pm. On the last day of December, in North Welham, sunrise is at 7:25 am and sunset at 4:53 pm EST.

Sunshine

In December, the average sunshine in North Welham 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 of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the average December temperature in North Welham?

The average high-temperature, in December, in North Welham, is 45.5°F (7.5°C), while the average low-temperature is 34.5°F (1.4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is estimated at 91.4°F (33°C).

What is the average humidity in December in North Welham?

The average relative humidity in December in North Welham, Maryland, is 76%.

How much does it rain in North Welham in December?

In North Welham, during December, the rain falls for 10.4 days and regularly aggregates up to 2.32" (59mm) of precipitation.

How much does it snow in North Welham in December?

In North Welham, in December, snow falls for 2.1 days, with typically accumulated 0.39" (10mm) of snow.

What is the month with the shortest days in North Welham?

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

How many hours of daylight does North Welham have in December?

In December, the average day length is 9h and 28min.

When are sunrise and sunset in December in North Welham?

On the first day of December in North Welham, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:53 pm EST.

How long on average sun shines in December in North Welham?

In December, the average sunshine duration is 5.2h.

What is the month with the lowest UV index in North Welham?

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

How high is the UV index in December in North Welham?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat 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
North Welham, MD

Average temperature in December - North Welham, MD
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in December
North Welham, MD

Average pressure in December - North Welham, 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).

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Average wind speed in December
North Welham, MD

Average wind speed in December - North Welham, MD
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in December
North Welham, MD

Average humidity in December - North Welham, MD
  • Average humidity in December: 76%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are March, April and July (72%).

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Average rainfall in December
North Welham, MD

Average rainfall in December - North Welham, MD
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").

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Average rainfall days in December
North Welham, MD

Average rainfall days in December - North Welham, MD
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and November (8.4 days).

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Average snowfall in December
North Welham, MD

Average snowfall in December - North Welham, MD
  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
North Welham, MD

Average snowfall days in December - North Welham, MD
  • Average snowfall days in December: 2.1 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
North Welham, MD

Average daylight in December / Average sunshine in December - North Welham, 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).

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Average sunshine days in December
North Welham, MD

Average sunshine days in December - North Welham, MD
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).

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Average UV index in December
North Welham, MD

Average UV index in December - North Welham, 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).

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Average cloud cover in December
North Welham, MD

Average cloud cover in December - North Welham, MD
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in December
North Welham, MD

Average visibility in December - North Welham, 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).

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North Welham, Maryland, USA

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