December weather forecast
Crouse Mill, MD

Share

Weather in December

December, the first month of the winter in Crouse Mill, is also an icy month, with an average temperature ranging between max 42.6°F (5.9°C) and min 30.4°F (-0.9°C).

Temperature

The start of December comes with a small reduction in the average high-temperature, subtly receding from a cool 51.3°F (10.7°C) in November to a cold 42.6°F (5.9°C). In Crouse Mill, December is marked by an average low-temperature of 30.4°F (-0.9°C).

Humidity

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

Rainfall

In Crouse Mill, during December, the rain falls for 9.8 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Crouse Mill, during the entire year, the rain falls for 157.5 days and collects up to 27.52" (699mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Crouse Mill, in December, snow falls for 3.9 days, with typically accumulated 1.57" (40mm) of snow. 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 in Crouse Mill.
On the first day of the month, sunrise is at 7:10 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:54 pm EST.

Sunshine

The average sunshine in December 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 Crouse Mill, Maryland. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Crouse Mill, 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. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December in Crouse Mill is 79%.

How many days does it rain in December?

In December, the rain falls for 9.8 days. Throughout December, 1.77" (45mm) of precipitation is accumulated.

How much does it snow in December?

In Crouse Mill, during December, snow falls for 3.9 days and regularly aggregates up to 1.57" (40mm) of snow.

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 Crouse Mill?

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

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:10 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:54 pm EST.

How many hours of sunshine does Crouse Mill have in December?

The average sunshine duration in December is 5h.

What are the months 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.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Crouse Mill, MD

Average temperature in December - Crouse Mill, 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
Crouse Mill, MD

Average pressure in December - Crouse Mill, 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
Crouse Mill, MD

Average wind speed in December - Crouse Mill, 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
Crouse Mill, MD

Average humidity in December - Crouse Mill, 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
Crouse Mill, MD

Average rainfall in December - Crouse Mill, 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
Crouse Mill, MD

Average rainfall days in December - Crouse Mill, 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
Crouse Mill, MD

Average snowfall in December - Crouse Mill, 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
Crouse Mill, MD

Average snowfall days in December - Crouse Mill, 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
Crouse Mill, MD

Average daylight in December / Average sunshine in December - Crouse Mill, 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
Crouse Mill, MD

Average sunshine days in December - Crouse Mill, 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
Crouse Mill, MD

Average UV index in December - Crouse Mill, 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
Crouse Mill, MD

Average cloud cover in December - Crouse Mill, 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
Crouse Mill, MD

Average visibility in December - Crouse Mill, 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).

Crouse Mill, Maryland, USA

Weather forecast for your location

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