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
The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a cool 53.4°F (11.9°C) in November to a frosty 45.3°F (7.4°C). During the nights in December, an average low-temperature of 32.9°F (0.5°C) is observed.Humidity
The most humid month is December, with an average relative humidity of 77%.Rainfall
In North Bethesda, during December, the rain falls for 9.9 days and regularly aggregates up to 2.44" (62mm) of precipitation. In North Bethesda, during the entire year, the rain falls for 156.4 days and collects up to 30.79" (782mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in North Bethesda, Maryland. In North Bethesda, during December, snow falls for 3.2 days and regularly aggregates up to 1.42" (36mm) of snow. In North Bethesda, during the entire year, snow falls for 17.7 days and aggregates up to 9.92" (252mm) of snow.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 7:09 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:56 pm EST.
Sunshine
The months with the least sunshine in North Bethesda are January, February and December, with an average of 5.1h of sunshine.UV index
The months with the lowest UV index in North Bethesda are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the average December temperature in North Bethesda?
What is the most humid month in North Bethesda?
What is the average humidity in December in North Bethesda?
How many days does it rain in December in North Bethesda?
How much does it snow in North Bethesda in December?
What is the month with the shortest days in North Bethesda?
How many hours of daylight does North Bethesda have in December?
When are sunrise and sunset in December in North Bethesda?
What is the month with the least sunshine in North Bethesda?
How many hours of sunshine does North Bethesda have in December?
What are the months with the lowest UV index in North Bethesda?
How high is the UV index in December in North Bethesda?
Average temperature in December
North Bethesda, MD
- Average high temperature in December: 45.3°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in December
North Bethesda, 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
North Bethesda, MD
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
North Bethesda, MD
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
North Bethesda, MD
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in December
North Bethesda, MD
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
North Bethesda, MD
- Average snowfall in December: 1.42"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
North Bethesda, MD
- Average snowfall days in December: 3.2 days
The months with the highest number of snowfall days are January and February (5.3 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
North Bethesda, 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 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in December
North Bethesda, MD
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (12 days).
Average UV index in December
North Bethesda, 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
North Bethesda, 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 30).
Average visibility in December
North Bethesda, MD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
North Bethesda, Maryland, USA
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