Climate in Germantown, MD

Germantown, MD enjoys a humid subtropical climate with warm summers and mild winters. Average summer temperatures range from the mid-80s to the low 90s with high levels of humidity. Winters are generally mild in comparison, with average temperatures ranging from the mid-30s to low 50s. Rainfall throughout the year is plentiful with annual precipitation averaging over 40” and snowfall rarely exceeding 8” per year.

Germantown, Maryland gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Germantown averages 25 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 197 sunny days per year in Germantown. The US average is 205 sunny days.

Germantown gets some kind of precipitation, on average, 113 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

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Weather Highlights

Summer High: the July high is around 85 degrees
Winter Low: the January low is 25
Rain: averages 43 inches of rain a year
Snow: averages 25 inches of snow a year

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BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Germantown is 7.3 (10=best), which means it is more comfortable than most places in Maryland.

September, June and May are the most pleasant months in Germantown, while January and February are the least comfortable months.

July is the hottest month for Germantown with an average high temperature of 84.9°, which ranks it as one of the coolest places in Maryland. In Germantown, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Germantown are September, June and August.

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In Germantown, there are 14.1 days annually when the high temperature is over 90°, which is one of the coolest places in Maryland.

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January has the coldest nighttime temperatures for Germantown with an average of 25.4°. This is warmer than most places in Maryland.

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In Germantown, there are 85.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Maryland.

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In Germantown, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Maryland.

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The humidity is usually acceptable in Germantown but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most uncomfortably humid months in Germantown.

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May is the wettest month in Germantown with 4.3 inches of rain, and the driest month is February with 2.9 inches. The wettest season is Summer with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 42.9 inches in Germantown means that it is drier than most places in Maryland.

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May is the rainiest month in Germantown with 11.3 days of rain, and August is the driest month with only 8.3 rainy days. There are 112.9 rainy days annually in Germantown, which is about average compared to other places in Maryland. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

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An annual snowfall of 24.7 inches in Germantown means that it is snowier than most places in Maryland. January is the snowiest month in Germantown with 9.1 inches of snow, and 6 months of the year have significant snowfall.

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