December weather forecast
Cambridge, MD

Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
°Celsius°Fahrenheit
Share

Contents

A long pier leading the large and highly set Choptank River Lighthouse in Cambridge, Maryland
A long pier leading the large and highly set Choptank River Lighthouse in Cambridge, Maryland

Weather in December

December ushers in winter in its full intensity in Cambridge, Maryland. Cold weather engulfs the city, with temperatures often dipping close to freezing. December is imbued with the winter chill that carries along an array of festive celebrations. Snowfall is common, laying down a fresh, white layer that creates a winter wonderland effect. However, the highlight of December is the cold nights, which are at the yearly lowest, averaging a chilling 36.5°F (2.5°C), complementing the festive spirit with perfect winter weather.

Temperature

December in Cambridge, Maryland, signifies a minor drop in average high-temperature, transitioning from a cool 55°F (12.8°C) in November to a chilly 46.9°F (8.3°C). Nighttime temperatures in December average to a cold 36.5°F (2.5°C).

Humidity

In Cambridge, the average relative humidity in December is 76%.

Rainfall

In Cambridge, during December, the rain falls for 8.4 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Cambridge, during the entire year, the rain falls for 109.9 days and collects up to 10.91" (277mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall in Cambridge is December, when snow falls for 1.5 days and typically aggregates up to 0.51" (13mm) of snow.

Ocean temperature

In Cambridge, Maryland, in December, the average water temperature is 44.6°F (7°C).
Note: In 44.6°F (7°C), cold shock and rapid breathing can occur when swimming at temperatures below 50°F (10°C).

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:53 pm EST.

Sunshine

February and December, with an average of 5.2h of sunshine, are months with the least sunshine in Cambridge.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
[Resources]

Frequently asked questions

What is the average December temperature in Cambridge?

Cambridge in December has an average high-temperature of 46.9°F (8.3°C) and an average low-temperature of 36.5°F (2.5°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 91.4°F (33°C).

What is the average humidity in December in Cambridge?

In December, the average relative humidity in Cambridge is 76%.

How much does it rain in Cambridge in December?

In Cambridge, in December, during 8.4 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

What is the snowiest month in Cambridge?

The month with the most snowfall is December, when snow falls for 1.5 days and typically aggregates up to 0.51" (13mm) of snow.

How much does it snow in Cambridge in December?

In Cambridge, in December, during 1.5 snowfall days, 0.51" (13mm) of snow is typically accumulated.

What is the water temperature in December in Cambridge?

In December, the average ocean temperature is 44.6°F (7°C). Swimming in 44.6°F (7°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Cambridge?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Cambridge.

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

The average day length in December in Cambridge, Maryland, is 9h and 32min.

What time are sunrise and sunset in December in Cambridge?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 4:43 pm. On the last day of the month, in Cambridge, Maryland, sunrise is at 7:21 am and sunset at 4:53 pm EST.

What are the months with the least sunshine in Cambridge?

February and December, with an average of 5.2h of sunshine, are months with the least sunshine in Cambridge.

How many hours of sunshine does Cambridge have in December?

In Cambridge, Maryland, the average sunshine duration in December is 5.2h.

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

The months with the lowest UV index in Cambridge, Maryland, are January and December, with an average maximum UV index of 2.

What is the UV index reading in December in Cambridge?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
55°F 12.8°C
46.9°F 8.3°C
41.2°F 5.1°C
Average low temperature
42.8°F 6°C
36.5°F 2.5°C
30.2°F -1°C
Average pressure
30.13" 765mmHg
30.11" 765mmHg
30.1" 765mmHg
Average wind speed
8.9mph 14.3km/h
8.9mph 14.3km/h
9.8mph 15.8km/h
Average max. wind speed
9.7mph 15.6km/h
9.7mph 15.6km/h
10.6mph 17.1km/h
Average wind speed gusts
15mph 24.1km/h
15mph 24.1km/h
16.2mph 26.1km/h
Average humidity
74%
76%
73%
Average rainfall
0.83" 21mm
0.87" 22mm
0.67" 17mm
Average rainfall days
6.3
8.4
6.3
Average snowfall
0.08" 2mm
0.51" 13mm
0.39" 10mm
Average snowfall days
0.4
1.5
2.1
Average sea temperature
54°F 12.2°C
45°F 7.2°C
37°F 2.8°C
Average daylight
10h 1min
9h 3min
9h 5min
Average sunshine
5h 4min
5h 1min
5h 2min
Average sunshine days
22.2
20.4
21.3
Average UV index
3
2
2
Average cloud cover
35%
44%
43%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in December
Cambridge, MD

Average temperature in December - Cambridge, MD
  • Average high temperature in December: 46.9°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

[Resources]

Average pressure in December
Cambridge, MD

Average pressure in December - Cambridge, MD
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed in December
Cambridge, MD

Average wind speed in December - Cambridge, MD
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

[Resources]

Average humidity in December
Cambridge, MD

Average humidity in December - Cambridge, MD
  • Average humidity in December: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (73%).

[Resources]

Average rainfall in December
Cambridge, MD

Average rainfall in December - Cambridge, MD
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is September (0.47").

[Resources]

Average rainfall days in December
Cambridge, MD

Average rainfall days in December - Cambridge, MD
  • Average rainfall days in December: 8.4 days

The month with the highest number of rainy days is August (11.6 days).
The months with the least rainy days are January and November (6.3 days).

[Resources]

Average snowfall in December
Cambridge, MD

Average snowfall in December - Cambridge, MD
  • Average snowfall in December: 0.51"

The month with the highest snowfall is December (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in December
Cambridge, MD

Average snowfall days in December - Cambridge, MD
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

Average sea temperature in December
Cambridge, MD

Average sea temperature in December - Cambridge, MD
  • Average sea temperature in December: 45°F

The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is February (34°F).

[Resources]

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

Average daylight in December / Average sunshine in December - Cambridge, MD
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).

[Resources]

Average sunshine days in December
Cambridge, MD

Average sunshine days in December - Cambridge, MD
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is August (16.8 days).

[Resources]

Average UV index in December
Cambridge, MD

Average UV index in December - Cambridge, 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 and December (UV index 2).

[Resources]

Average cloud cover in December
Cambridge, MD

Average cloud cover in December - Cambridge, MD
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 28).

[Resources]

Average visibility in December
Cambridge, MD

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

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

[Resources]

Cambridge, Maryland, USA

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

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