December weather forecast
Dinterman, MD

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Weather in December

December, the first month of the winter in Dinterman, is also a wintry month, with an average temperature fluctuating between 42.6°F (5.9°C) and 30.4°F (-0.9°C).

Temperature

In Dinterman, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's cool 51.3°F (10.7°C) to an icy 42.6°F (5.9°C). In December, the temperature drops to an average of 30.4°F (-0.9°C) at night.

Humidity

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

Rainfall

In December, in Dinterman, the rain falls for 9.8 days. Throughout December, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 157.5 rainfall days, and 27.52" (699mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Dinterman, during December, snow falls for 3.9 days and regularly aggregates up to 1.57" (40mm) of snow. In Dinterman, during the entire year, snow falls for 22.3 days and aggregates up to 9.76" (248mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:11 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:55 pm EST.

Sunshine

In Dinterman, the average sunshine in December is 5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature, in December, in Dinterman, records 42.6°F (5.9°C), while the low-temperature is 30.4°F (-0.9°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, in August is evaluated at 87.8°F (31°C).

What is the average humidity in December?

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

How many days does it rain in December?

In Dinterman, during December, the rain falls for 9.8 days and regularly aggregates up to 1.77" (45mm) of precipitation.

How many days does it snow in December?

In December, it is snowing for 3.9 days. Throughout December, 1.57" (40mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days in Dinterman is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 25min.

When are sunrise and sunset in December in Dinterman?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:55 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 5h.

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

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

How high is the UV index in December?

In Dinterman, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Dinterman, MD

Average temperature in December - Dinterman, MD
  • Average high temperature in December: 42.6°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in December: 30.4°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in December
Dinterman, MD

Average pressure in December - Dinterman, 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
Dinterman, MD

Average wind speed in December - Dinterman, MD
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in December
Dinterman, MD

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

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in December
Dinterman, MD

Average rainfall in December - Dinterman, MD
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is February (1.61").

Average rainfall days in December
Dinterman, MD

Average rainfall days in December - Dinterman, MD
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in December
Dinterman, MD

Average snowfall in December - Dinterman, MD
  • Average snowfall in December: 1.57"

The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Dinterman, MD

Average snowfall days in December - Dinterman, MD
  • Average snowfall days in December: 3.9 days

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Dinterman, 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: 5h and 0min

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
Dinterman, MD

Average sunshine days in December - Dinterman, MD
  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in December
Dinterman, MD

Average UV index in December - Dinterman, 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
Dinterman, MD

Average cloud cover in December - Dinterman, MD
  • Average cloud cover in December: 47

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Dinterman, MD

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

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

Dinterman, Maryland, USA

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