Gaithersburg Weather in August

August in Gaithersburg brings high temperatures, with daytime highs of 29°C (84°F) and nights around 19°C (66°F). Quite a bit of rainfall is expected, around 92 mm (3.6 in), so pack an umbrella.

Rainfall in Gaithersburg in August

Past climate data indicates that roughly 10 days will see rain, totalling around 92 mm (3.6 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Gaithersburg in August

August is a perfect month in Gaithersburg, with 29°C (84°F) during the day and 19°C (66°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 19°C (66°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Gaithersburg in August

Expect a lot of sunshine this month, with about 262 hours of sun. These sunny conditions add to the overall experience.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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• January
• February
• March
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• May
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• August

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• October
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For a detailed overview over the year and the best time to visit the United States of America, check out our Gaithersburg's climate page.

Gaithersburg Temperature in August

Min Temperature 19°C (66°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 33%  

Precipitation 92 mm (3.6 in)  

Rainy days 10 days  

Humidity 69% *  

Sunshine 262 hours *  

Percentage Sunshine 62% *  

* Data from: Washington DC, the United States of America (35 KM, 22 Miles).

What to Wear in Gaithersburg in August

Warm but pleasant conditions in Gaithersburg in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Gaithersburg in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Gaithersburg's climate page.

More climate data for Gaithersburg

Temperature Rainfall Sunshine Humidity

See the full Gaithersburg climate overview or explore weather in the United States of America.