January weather forecastRockburn Commons, MD
January
Weather in January
January, the same as December, is a wintry winter month in Rockburn Commons, Maryland, with an average temperature fluctuating between 38.8°F (3.8°C) and 27.3°F (-2.6°C).Temperature
Rockburn Commons's January weather reaches an average high of 38.8°F (3.8°C) and an average low of 27.3°F (-2.6°C), making it the coldest month.Humidity
The average relative humidity in January is 73%.Rainfall
The month with the least rainfall is January, when the rain falls for 8.6 days and typically collects 1.77" (45mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 3.8 days and accumulates 2.24" (57mm) of snow.Daylight
The average length of the day in January is 9h and 47min.On the first day of January in Rockburn Commons, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:25 pm EST.
Sunshine
In Rockburn Commons, Maryland, the average sunshine in January is 5.2h.UV index
January, February, November 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 hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Rockburn Commons, MD
- Average high temperature in January: 38.8°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 (38.8°F).
- Average low temperature in January: 27.3°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in January
Rockburn Commons, MD
- Average pressure in January: 30.1"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 January
Rockburn Commons, MD
- Average wind speed in January: 8.9mph
The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in January
Rockburn Commons, MD
- Average humidity in January: 73%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall in January
Rockburn Commons, MD
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in January
Rockburn Commons, MD
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in January
Rockburn Commons, MD
- Average snowfall in January: 2.24"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Rockburn Commons, MD
- Average snowfall days in January: 3.8 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Rockburn Commons, MD
- Average daylight in January: 9h and 48min
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 January: 5h and 12min
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).
Average sunshine days in January
Rockburn Commons, MD
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in January
Rockburn Commons, MD
- Average UV index in January: 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 January
Rockburn Commons, MD
- Average cloud cover in January: 42
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in January
Rockburn Commons, MD
- Average visibility in January: 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).
