January weather forecastBoonsboro, MD
January
Weather in January
January, like December, in Boonsboro, Maryland, is another cold winter month, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 37°F (2.8°C).Temperature
January is Boonsboro's coldest month, registering average high temperatures of 37°F (2.8°C) and lows of 23.4°F (-4.8°C).Humidity
In Boonsboro, the average relative humidity in January is 75%.Rainfall
The month with the least rainfall is January, when the rain falls for 9.6 days and typically collects 1.97" (50mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 7.8 days and typically aggregates up to 4.72" (120mm) of snow.Daylight
In Boonsboro, the average length of the day in January is 9h and 46min.On the first day of January, sunrise is at 7:30 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:28 pm EST.
Sunshine
In January, the average sunshine 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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 2 in January leads to these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Boonsboro, MD
- Average high temperature in January: 37°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°F).
- Average low temperature in January: 23.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in January
Boonsboro, 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
Boonsboro, MD
- Average wind speed in January: 7.6mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in January
Boonsboro, MD
- Average humidity in January: 75%
The months with the highest relative humidity are May, October and December (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in January
Boonsboro, MD
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in January
Boonsboro, MD
- Average rainfall days in January: 9.6 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in January
Boonsboro, MD
- Average snowfall in January: 4.72"
The month with the highest snowfall is January (4.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Boonsboro, MD
- Average snowfall days in January: 7.8 days
The month with the highest number of snowfall days is January (7.8 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
Boonsboro, 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 24min).
- Average sunshine in January: 4h and 48min
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
Boonsboro, MD
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is April (11 days).
Average UV index in January
Boonsboro, 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
Boonsboro, MD
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Boonsboro, MD
- Average visibility in January: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).





