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
December ushers in a minor alteration in Blair Woods's climate, with the average high-temperature moving from November's cool 54.5°F (12.5°C) to a frosty 46.2°F (7.9°C). An average low-temperature of 36.3°F (2.4°C) is anticipated throughout the nights during December.Humidity
In December, the average relative humidity in Blair Woods, Maryland, is 76%.Rainfall
In December, the rain falls for 11.4 days. Throughout December, 2.91" (74mm) of precipitation is accumulated. Throughout the year, there are 159 rainfall days, and 32.36" (822mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Blair Woods, in December, during 1.7 snowfall days, 0.31" (8mm) of snow is typically accumulated. In Blair Woods, during the entire year, snow falls for 11.4 days and aggregates up to 4.13" (105mm) 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 7:04 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:52 pm EST.
Sunshine
In Blair Woods, the average sunshine in December is 5.2h.UV index
The months with the lowest UV index in Blair Woods are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in Blair Woods in December?
What is the month with the shortest days?
How many hours of daylight does Blair Woods have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Blair Woods have in December?
What is the month with the lowest UV index in Blair Woods?
What is the UV index reading in December?
Average temperature in December
Blair Woods, MD
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in December: 36.3°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in December
Blair Woods, 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).
Average wind speed in December
Blair Woods, MD
- Average wind speed in December: 9.2mph
The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Blair Woods, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in December
Blair Woods, MD
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Blair Woods, MD
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Blair Woods, MD
- Average snowfall in December: 0.31"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Blair Woods, MD
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (4.2 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
Blair Woods, 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
Blair Woods, MD
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Blair Woods, 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
Blair Woods, MD
- Average cloud cover in December: 45
The months with the most cloud cover are February, March and December (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Blair Woods, 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).
Blair Woods, Maryland, USA
Weather forecast for your location
2. Allow the app to use your location