December weather forecast
Taneytown, MD

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Weather in December

December marks the full-fledged winter season in Taneytown, Maryland. Temperatures continue to slip further down, averaging at a high of 42.6°F (5.9°C). Snowfall significantly increases to an average of 1.57" (40mm), leaving the city under a frequent white blanket. The sun goes into hiding as daylight hours decrease to their lowest for the year, reaching only 9.4 hours. As it starts to feel a lot like winter, wind speeds rise even further, ensuring a chilly end to the year.

Temperature

As Taneytown enters December, the average high-temperature subtly lowers from the a fresh 51.3°F (10.7°C) of November to a cold 42.6°F (5.9°C). During December nights, Taneytown records an average temperature of 30.4°F (-0.9°C).

Humidity

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

Rainfall

In Taneytown, in December, it is raining for 9.8 days, with typically 1.77" (45mm) of accumulated precipitation. 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 December, in Taneytown, it is snowing for 3.9 days. Throughout December, 1.57" (40mm) of snow is accumulated. Throughout the year, there are 22.3 snowfall days, and 9.76" (248mm) of snow is accumulated.

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 7:10 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:54 pm EST.

Sunshine

In December, the average sunshine is 5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Taneytown. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.

Frequently asked questions

How cold does it get in December?

The average high-temperature and low-temperature during December are 42.6°F (5.9°C) and 30.4°F (-0.9°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 79%.

How much does it rain in December?

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

How much does it snow in December?

In Taneytown, in December, snow falls for 3.9 days, with typically accumulated 1.57" (40mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Taneytown have in December?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:10 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:54 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 5h.

What is the month with the lowest UV index?

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 December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Taneytown, MD

Average temperature in December - Taneytown, 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
Taneytown, MD

Average pressure in December - Taneytown, 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
Taneytown, MD

Average wind speed in December - Taneytown, 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
Taneytown, MD

Average humidity in December - Taneytown, 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
Taneytown, MD

Average rainfall in December - Taneytown, 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
Taneytown, MD

Average rainfall days in December - Taneytown, 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
Taneytown, MD

Average snowfall in December - Taneytown, 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
Taneytown, MD

Average snowfall days in December - Taneytown, 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
Taneytown, MD

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

Average sunshine days in December - Taneytown, 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
Taneytown, MD

Average UV index in December - Taneytown, 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
Taneytown, MD

Average cloud cover in December - Taneytown, 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
Taneytown, MD

Average visibility in December - Taneytown, 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).

Taneytown, Maryland, USA

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