December weather forecast
Hampstead, MD

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Weather in December

December in Hampstead, Maryland, marks the return of winter. Temperatures drop further reaching the lowest average low temperatures of 30.7°F (-0.7°C) for the year, and several events indicate the onset of the cold season. However, it is not all gloomy; the holiday spirit keeps the town vibrant and festive. Local events, Christmas markets, and decorations create a warm and festive atmosphere. Despite the cold weather and shorter days, the season still brings charm and joy to Hampstead.

Temperature

Hampstead's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's cool 51.3°F (10.7°C) to a cold 42.3°F (5.7°C). Hampstead experiences a consistent average temperature of 30.7°F (-0.7°C) throughout the nights in December.

Humidity

In Hampstead, the average relative humidity in December is 78%.

Rainfall

In Hampstead, in December, during 10.7 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 160.1 rainfall days, and 29.84" (758mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Hampstead. In December, it is snowing for 4.2 days. Throughout December, 1.69" (43mm) of snow is accumulated. In Hampstead, during the entire year, snow falls for 22 days and aggregates up to 11.85" (301mm) 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 7:09 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:53 pm EST.

Sunshine

In December, the average sunshine 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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

Is it cold during December?

In Hampstead, 42.3°F (5.7°C) is the average high-temperature and 30.7°F (-0.7°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 87.8°F (31°C).

What is the average humidity in December?

In Hampstead, the average relative humidity in December is 78%.

How many days does it rain in December?

In December, the rain falls for 10.7 days. Throughout December, 2.24" (57mm) of precipitation is accumulated.

How much does it snow in December?

In Hampstead, in December, during 4.2 snowfall days, 1.69" (43mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Hampstead, the average day length in December is 9h and 26min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:09 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:53 pm EST.

How many hours of sunshine does Hampstead have in December?

In December, the average sunshine duration is 5h.

When is 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.

What is the UV index reading in December?

In December, the average daily maximum UV index in Hampstead is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Hampstead, MD

Average temperature in December - Hampstead, MD
  • Average high temperature in December: 42.3°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in December: 30.7°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in December
Hampstead, MD

Average pressure in December - Hampstead, 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).

Average wind speed in December
Hampstead, MD

Average wind speed in December - Hampstead, MD
  • Average wind speed in December: 8.1mph

The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in December
Hampstead, MD

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

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, March, April, July and November (76%).

Average rainfall in December
Hampstead, MD

Average rainfall in December - Hampstead, MD
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (1.93").

Average rainfall days in December
Hampstead, MD

Average rainfall days in December - Hampstead, MD
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in December
Hampstead, MD

Average snowfall in December - Hampstead, MD
  • Average snowfall in December: 1.69"

The month with the highest snowfall is March (3.62").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Hampstead, MD

Average snowfall days in December - Hampstead, MD
  • Average snowfall days in December: 4.2 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Hampstead, 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 48min).

Average sunshine days in December
Hampstead, MD

Average sunshine days in December - Hampstead, MD
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in December
Hampstead, MD

Average UV index in December - Hampstead, MD
  • Average UV index in December: 2

The months with the highest UV index are 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
Hampstead, MD

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

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in December
Hampstead, MD

Average visibility in December - Hampstead, 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).

Hampstead, Maryland, USA

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