Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
In Green Hill Acres, Maryland, the month of January is known for its lowest average temperatures, reaching a high of 36.1°F (2.3°C) and a low of 22.8°F (-5.1°C).Humidity
In Green Hill Acres, the average relative humidity in January is 76%.Rainfall
In Green Hill Acres, during January, the rain falls for 8.8 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Green Hill Acres, during the entire year, the rain falls for 164.7 days and collects up to 29.17" (741mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 9 days and typically aggregates up to 4.21" (107mm) of snow.Daylight
The average length of the day in January is 9h and 45min.On the first day of the month, sunrise is at 7:31 am and sunset at 4:56 pm. On the last day of January, sunrise is at 7:19 am and sunset at 5:28 pm EST.
Sunshine
The average sunshine in January is 4.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Green Hill Acres, MD
- Average high temperature in January: 36.1°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in January: 22.8°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in January
Green Hill Acres, 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
Green Hill Acres, MD
- Average wind speed in January: 7.7mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in January
Green Hill Acres, MD
- Average humidity in January: 76%
The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in January
Green Hill Acres, MD
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in January
Green Hill Acres, MD
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in January
Green Hill Acres, MD
- Average snowfall in January: 4.21"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Green Hill Acres, MD
- Average snowfall days in January: 9 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Green Hill Acres, MD
- Average daylight in January: 9h and 4min
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 24min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Green Hill Acres, MD
- Average sunshine days in January: 15.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in January
Green Hill Acres, MD
- Average UV index in January: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Green Hill Acres, MD
- Average cloud cover in January: 49
The months with the most cloud cover are January, February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Green Hill Acres, MD
- Average visibility in January: 5mi
The months with the highest visibility are April, June, July, August, November and December (6mi).
The months with the lowest visibility are January, February, March, May, September and October (5mi).
Green Hill Acres, Maryland, USA
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