December weather forecast
Joyce, MD

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Weather in December

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

Temperature

December ushers in a minute temperature change, with average high-temperatures reducing from November's cool 53.8°F (12.1°C) to a chilly 45.5°F (7.5°C). During December, Joyce sees a mean low-temperature of 34.7°F (1.5°C).

Humidity

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

Rainfall

In Joyce, in December, during 11.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Joyce, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.

Snowfall

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

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Joyce.
On the first day of December in Joyce, 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 4:53 pm EST.

Sunshine

The average sunshine in December in Joyce, Maryland, 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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the usual temperature for Joyce in December?

In Joyce, in December, the average high-temperature is 45.5°F (7.5°C), and the average low-temperature is 34.7°F (1.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 91.4°F (33°C).

What is the average humidity in December in Joyce?

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

How many days does it rain in December in Joyce?

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

How many days does it snow in December in Joyce?

In Joyce, in December, snow falls for 2.4 days, with typically accumulated 0.63" (16mm) of snow.

What is the month with the shortest days in Joyce?

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

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

In December, the average day length in Joyce, Maryland, is 9h and 29min.

When is the sunrise / sunset in December in Joyce?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of the month, in Joyce, Maryland, sunrise is at 7:24 am and sunset at 4:53 pm EST.

How many hours of sunshine does Joyce have in December?

In December, the average sunshine duration is 5.2h.

What is the month with the lowest UV index in Joyce?

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

How high is the UV index in December in Joyce?

In December, the average daily maximum UV index in Joyce, Maryland, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe 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
Joyce, MD

Average temperature in December - Joyce, 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).

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Average pressure in December
Joyce, MD

Average pressure in December - Joyce, 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
Joyce, MD

Average wind speed in December - Joyce, 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).

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Average humidity in December
Joyce, MD

Average humidity in December - Joyce, 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%).

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Average rainfall in December
Joyce, MD

Average rainfall in December - Joyce, 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").

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Average rainfall days in December
Joyce, MD

Average rainfall days in December - Joyce, 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).

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Average snowfall in December
Joyce, MD

Average snowfall in December - Joyce, 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").

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Average snowfall days in December
Joyce, MD

Average snowfall days in December - Joyce, 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).

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

Average daylight in December / Average sunshine in December - Joyce, 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
Joyce, MD

Average sunshine days in December - Joyce, 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).

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Average UV index in December
Joyce, MD

Average UV index in December - Joyce, 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
Joyce, MD

Average cloud cover in December - Joyce, 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).

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Average visibility in December
Joyce, MD

Average visibility in December - Joyce, 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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Joyce, Maryland, USA

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