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Germantown (MD) Climate by Month

Germantown experiences great temperature shifts. The city's weather can transition from very warm days to cold weather. It also has a relatively rain/snowy climate with high levels of precipitation. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in Germantown is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 30°C in July to a chilly 5°C in January. Nighttime temperatures can drop, with averages reaching -4°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Germantown has a notably wet climate with abundant precipitation, recording 1166 mm of rain/snowfall per year. The amount of precipitation varies moderately throughout the year. The wettest month, October, sees around 141 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 68 mm of rainfall.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

In Germantown, summer days are longer and more sunny, with daily sunshine hours peaking at 9.4 hours in June. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.3 hours.

Monthly hours of sunshine

Data from: Washington DC, the United States of America (41 KM, 25 Miles).

Daily hours of sunshine

Data from: Washington DC, the United States of America (41 KM, 25 Miles).

The best time of year to visit Germantown in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Germantown?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Germantown?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Germantown?
    The coldest month is January with an average maximum temperature of 5°C.
  • Which is the wettest month in Germantown?
    October tops the wettest month list with 141 mm of rainfall.
  • Which is the driest month in Germantown?
    February is the driest month with 68 mm of precipitation.
  • Which is the sunniest month in Germantown?
    June is the sunniest month with an average of 282 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Germantown (MD)

    Fri   Nov 22
    5°C | 0°C
    W 25 km/h
    8.4 mm
    overcast and heavy rain

    overcast and heavy rain

    Sat   Nov 23
    11°C | 4°C
    NW 22 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sun   Nov 24
    12°C | 5°C
    W 22 km/h
    partly cloudy and no rain

    partly cloudy and no rain