Gaithersburg Weather in July

July in Gaithersburg typically sees daytime highs of 31°C (88°F) and nighttime lows of 20°C (68°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Gaithersburg in July

Historically, July sees about 11 days of rain, with a monthly average of 88 mm (3.5 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Gaithersburg in July

Expect highs of 31°C (88°F) in Gaithersburg in July, with nights dropping to around 20°C (68°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With lows of 20°C (68°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. Average temperatures can be deceiving; some days will be hotter. Wear breathable fabrics and drink plenty of water to stay cool.

Sunshine in Gaithersburg in July

The city usually sees around 279 hours of sunlight, indicating many sunny days , a great month for sightseeing.

For Gaithersburg itself, August generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.