December weather forecast
Robin Hood Hill, MD

Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
°Celsius°Fahrenheit
Share

Contents

Weather in December

The first month of the winter, December, is also a frosty month in Robin Hood Hill, Maryland, with an average temperature fluctuating between 45.5°F (7.5°C) and 34.7°F (1.5°C).

Temperature

The onset of December entails a subtle temperature shift, as the average high-temperature eases from a fresh 53.8°F (12.1°C) in November to a chilly 45.5°F (7.5°C). In December, the nighttime temperature in Robin Hood Hill lowers to an average of 34.7°F (1.5°C).

Humidity

The average relative humidity in December is 75%.

Rainfall

In December, in Robin Hood Hill, Maryland, the rain falls for 11.4 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. Throughout the year, in Robin Hood Hill, Maryland, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Robin Hood Hill, in December, snow falls for 2.4 days, with typically accumulated 0.63" (16mm) of snow. In Robin Hood Hill, during the entire year, snow falls for 14 days and aggregates up to 6.14" (156mm) of snow.

Ocean temperature

In Robin Hood Hill, Maryland, in December, the average water temperature is 52°F (11.1°C).
Note: Beware when you're in 52°F (11.1°C) waters; 55.4°F (13°C) is chilling and anything below 50°F (10°C) could cause breathing hindrance and a sudden cold shock, given your physical condition.

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 7:06 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:53 pm EST.

Sunshine

The average sunshine in December in Robin Hood Hill is 5.2h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
[Resources]

Frequently asked questions

What is the temperature in December in Robin Hood Hill?

An average high-temperature, in December, in Robin Hood Hill, is 45.5°F (7.5°C) and the average low-temperature is 34.7°F (1.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in August is calculated to be 91.4°F (33°C).

What is the average humidity in December in Robin Hood Hill?

In Robin Hood Hill, the average relative humidity in December is 75%.

How many days does it rain in December in Robin Hood Hill?

In Robin Hood Hill, in December, during 11.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

How many days does it snow in December in Robin Hood Hill?

In Robin Hood Hill, Maryland, in December, snow falls for 2.4 days, with typically accumulated 0.63" (16mm) of snow.

How cold is the water in December in Robin Hood Hill?

In Robin Hood Hill, Maryland, in December, the average water temperature is 52°F (11.1°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the month with the shortest days in Robin Hood Hill?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

How many hours of daylight does Robin Hood Hill have in December?

In December, the average day length in Robin Hood Hill, Maryland, is 9h and 29min.

When is the sunrise / sunset in December in Robin Hood Hill?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of the month, in Robin Hood Hill, Maryland, sunrise is at 7:24 am and sunset at 4:53 pm EST.

How many hours of sunshine does Robin Hood Hill have in December?

In December, the average sunshine duration in Robin Hood Hill, Maryland, is 5.2h.

What are the months with the lowest UV index in Robin Hood Hill?

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Robin Hood Hill.

How high is the UV index in December in Robin Hood Hill?

In Robin Hood Hill, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
53.8°F 12.1°C
45.5°F 7.5°C
39.6°F 4.2°C
Average low temperature
41.4°F 5.2°C
34.7°F 1.5°C
28.4°F -2°C
Average pressure
30.14" 766mmHg
30.11" 765mmHg
30.1" 765mmHg
Average wind speed
8.5mph 13.7km/h
8.6mph 13.8km/h
9.3mph 15km/h
Average max. wind speed
9.2mph 14.8km/h
9.3mph 15km/h
10.1mph 16.3km/h
Average wind speed gusts
13.8mph 22.2km/h
13.9mph 22.4km/h
14.9mph 24km/h
Average humidity
72%
75%
72%
Average rainfall
2.17" 55mm
2.83" 72mm
2.01" 51mm
Average rainfall days
9.4
11.4
9.9
Average snowfall
0.08" 2mm
0.63" 16mm
2.05" 52mm
Average snowfall days
0.5
2.4
4.4
Average sea temperature
58.4°F 14.7°C
52°F 11.1°C
47.8°F 8.8°C
Average daylight
10h 1min
9h 3min
9h 5min
Average sunshine
5h 5min
5h 1min
5h 2min
Average sunshine days
18.7
16.9
17.5
Average UV index
2
2
2
Average cloud cover
36%
44%
43%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in December
Robin Hood Hill, MD

Average temperature in December - Robin Hood Hill, MD
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in December: 34.7°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

[Resources]

Average pressure in December
Robin Hood Hill, MD

Average pressure in December - Robin Hood Hill, 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).

[Resources]

Average wind speed in December
Robin Hood Hill, MD

Average wind speed in December - Robin Hood Hill, MD
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

[Resources]

Average humidity in December
Robin Hood Hill, MD

Average humidity in December - Robin Hood Hill, MD
  • Average humidity in December: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

[Resources]

Average rainfall in December
Robin Hood Hill, MD

Average rainfall in December - Robin Hood Hill, MD
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

[Resources]

Average rainfall days in December
Robin Hood Hill, MD

Average rainfall days in December - Robin Hood Hill, MD
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

[Resources]

Average snowfall in December
Robin Hood Hill, MD

Average snowfall in December - Robin Hood Hill, MD
  • Average snowfall in December: 0.63"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in December
Robin Hood Hill, MD

Average snowfall days in December - Robin Hood Hill, MD
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average sea temperature in December
Robin Hood Hill, MD

Average sea temperature in December - Robin Hood Hill, MD
  • Average sea temperature in December: 52°F

The best month for swimming (with the highest average sea temperature) is August (78°F).
The coldest month (with the lowest average sea temperature) is February (45.9°F).

[Resources]

Average daylight in December /
Average sunshine in December
Robin Hood Hill, MD

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

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 30min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

[Resources]

Average sunshine days in December
Robin Hood Hill, MD

Average sunshine days in December - Robin Hood Hill, MD
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

[Resources]

Average UV index in December
Robin Hood Hill, MD

Average UV index in December - Robin Hood Hill, 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, November and December (UV index 2).

[Resources]

Average cloud cover in December
Robin Hood Hill, MD

Average cloud cover in December - Robin Hood Hill, MD
  • Average cloud cover in December: 44

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

[Resources]

Average visibility in December
Robin Hood Hill, MD

Average visibility in December - Robin Hood Hill, 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]

Robin Hood Hill, 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