January weather forecastGermantown, MD
January
Weather in January
January delivers the coldest air of the year to Germantown with temperatures plunging to a low of 25.2°F (-3.8°C). The chilly weather is often accompanied by a fair bit of rainfall, contributing to high levels of relative humidity. Despite the generally overcast skies, the city enjoys nearly 10 hours of daylight. Wintry gusts are typical with the wind speed peaking at 12.3mph (19.8km/h). Conditions can sometimes turn harsh with snowfall making a frequent appearance.Temperature
Germantown witnesses the coldest weather in January, with temperatures averaging a high of 38.8°F (3.8°C) and a low of 25.2°F (-3.8°C).Humidity
In January, the average relative humidity is 74%.Rainfall
January and February are months with the least rain when the rain falls for 9.5 days and typically aggregates up to 1.97" (50mm) of rain.Snowfall
Months with snowfall are January through May, November and December. In Germantown, in January, during 5.8 snowfall days, 2.68" (68mm) of snow is typically accumulated. Throughout the year, there are 19.1 snowfall days, and 10.04" (255mm) 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 5:28 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 5h of sunshine.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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in January translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Germantown, MD
- Average high temperature in January: 38.8°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in January: 25.2°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in January
Germantown, 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
Germantown, MD
- Average wind speed in January: 7.6mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in January
Germantown, MD
- Average humidity in January: 74%
The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in January
Germantown, MD
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is August (3.78").
The driest months (with the least rainfall) are January and February (1.97").
Average rainfall days in January
Germantown, MD
- Average rainfall days in January: 9.5 days
The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and November (9.5 days).
Average snowfall in January
Germantown, MD
- Average snowfall in January: 2.68"
The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Germantown, MD
- Average snowfall days in January: 5.8 days
The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Germantown, 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 54min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in January
Germantown, MD
- Average sunshine days in January: 17.7 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in January
Germantown, 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
Germantown, MD
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in January
Germantown, 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).
