December weather forecast
Brownsville, MD

Share

Weather in December

The first month of the winter, December, is also a frosty month in Brownsville, Maryland, with an average temperature ranging between max 43.5°F (6.4°C) and min 31.1°F (-0.5°C).

Temperature

December brings a minor decrease, with the average high-temperature reducing from a fresh 52.5°F (11.4°C) in November to a chilly 43.5°F (6.4°C). Throughout December, the average low-temperature dips to a freezing cold 31.1°F (-0.5°C).

Humidity

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

Rainfall

In Brownsville, in December, it is raining for 10.9 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, in Brownsville, Maryland, there are 163.3 rainfall days, and 29.84" (758mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Brownsville, in December, snow falls for 3.6 days, with typically accumulated 2.05" (52mm) of snow. Throughout the year, there are 20.6 snowfall days, and 12.13" (308mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:12 am and sunset at 4:47 pm. On the last day of December, in Brownsville, sunrise is at 7:30 am and sunset at 4:57 pm EST.

Sunshine

In Brownsville, the average sunshine in December is 5.1h.

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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
[Resources]

Frequently asked questions

Is it cold in Brownsville during December?

An average high-temperature, in December, in Brownsville, is 43.5°F (6.4°C) and the average low-temperature is 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 91.4°F (33°C).

What is the average humidity in December in Brownsville?

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

How much does it rain in Brownsville in December?

In Brownsville, in December, during 10.9 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

How much does it snow in Brownsville in December?

In Brownsville, Maryland, in December, during 3.6 snowfall days, 2.05" (52mm) of snow is typically accumulated.

What is the month with the shortest days in Brownsville?

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

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

The average day length in December in Brownsville, Maryland, is 9h and 27min.

When are sunrise and sunset in December in Brownsville?

On the first day of December in Brownsville, sunrise is at 7:12 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:57 pm EST.

How many hours of sunshine does Brownsville have in December?

In Brownsville, Maryland, the average sunshine duration in December is 5.1h.

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

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

What is the UV index intensity in December in Brownsville?

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

Average temperature in December - Brownsville, MD
  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

[Resources]

Average pressure in December
Brownsville, MD

Average pressure in December - Brownsville, 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).

[Resources]

Average wind speed in December
Brownsville, MD

Average wind speed in December - Brownsville, MD
  • Average wind speed in December: 6.7mph

The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

[Resources]

Average humidity in December
Brownsville, MD

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

The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).

[Resources]

Average rainfall in December
Brownsville, MD

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

The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is January (1.97").

[Resources]

Average rainfall days in December
Brownsville, MD

Average rainfall days in December - Brownsville, MD
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (9.1 days).

[Resources]

Average snowfall in December
Brownsville, MD

Average snowfall in December - Brownsville, MD
  • Average snowfall in December: 2.05"

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

[Resources]

Average snowfall days in December
Brownsville, MD

Average snowfall days in December - Brownsville, MD
  • Average snowfall days in December: 3.6 days

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Brownsville, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).

[Resources]

Average sunshine days in December
Brownsville, MD

Average sunshine days in December - Brownsville, MD
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10.7 days).

[Resources]

Average UV index in December
Brownsville, MD

Average UV index in December - Brownsville, 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).

[Resources]

Average cloud cover in December
Brownsville, MD

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

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

[Resources]

Average visibility in December
Brownsville, MD

Average visibility in December - Brownsville, MD
  • Average visibility in December: 5mi

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

[Resources]

Brownsville, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location