January weather forecastGreenhills, MD
January
Weather in January
January, like December, in Greenhills, Maryland, is an icy winter month, with an average temperature ranging between min 24.8°F (-4°C) and max 37.8°F (3.2°C).Temperature
January, known for its average high temperature of 37.8°F (3.2°C) and an average low temperature of 24.8°F (-4°C), is the coldest month.Humidity
In January, the average relative humidity in Greenhills is 75%.Rainfall
The month with the least rainfall is January, when the rain falls for 8.3 days and typically collects 1.93" (49mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Greenhills, Maryland, in January, during 6.3 snowfall days, 3.54" (90mm) of snow is typically accumulated. Throughout the year, in Greenhills, there are 21.3 snowfall days, and 13.31" (338mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 47min.On the first day of January, sunrise is at 7:28 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:27 pm EST.
Sunshine
In Greenhills, the average sunshine in January is 5h.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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Greenhills, MD
- Average high temperature in January: 37.8°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 (37.8°F).
- Average low temperature in January: 24.8°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in January
Greenhills, MD
- Average pressure in January: 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 January
Greenhills, MD
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Greenhills, MD
- Average humidity in January: 75%
The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in January
Greenhills, MD
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in January
Greenhills, MD
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in January
Greenhills, MD
- Average snowfall in January: 3.54"
The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Greenhills, MD
- Average snowfall days in January: 6.3 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Greenhills, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Greenhills, MD
- Average sunshine days in January: 17.9 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in January
Greenhills, 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
Greenhills, MD
- Average cloud cover in January: 46
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in January
Greenhills, MD
- Average visibility in January: 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).





