Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Riden in December experiences a gentle temperature dip, with average high-temperatures reducing from a fresh 54°F (12.2°C) in November to a chilly 45.5°F (7.5°C). Nighttime temperature dips to a mean of 34.5°F (1.4°C) during December.Humidity
The average relative humidity in December is 76%.Rainfall
In Riden, during December, the rain falls for 9.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 156.7 rainfall days, and 31.81" (808mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Riden, during December, snow falls for 2.4 days and regularly aggregates up to 0.63" (16mm) of snow. In Riden, during the entire year, snow falls for 13.6 days and aggregates up to 6.73" (171mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:54 pm EST.
Sunshine
The average sunshine in December is 5.1h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: An average UV index of 2 in December transforms into this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Riden in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Riden have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Riden, MD
- Average high temperature in December: 45.5°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 (39.7°F).
- Average low temperature in December: 34.5°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in December
Riden, 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
Riden, MD
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in December
Riden, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Riden, MD
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in December
Riden, MD
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in December
Riden, MD
- Average snowfall in December: 0.63"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Riden, MD
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Riden, 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 0min).
Average sunshine days in December
Riden, MD
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in December
Riden, 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).
Average cloud cover in December
Riden, MD
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Riden, 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).
Riden, Maryland, USA
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