Rockville Weather in August

August in Rockville averages 29°C (84°F) during the day and 19°C (66°F) at night. Quite a bit of rainfall is typical this month, with around 92 mm (3.6 in) on average. An umbrella is a good idea.

Rainfall in Rockville in August

Past climate data indicates that roughly 11 days will see rain, totalling around 92 mm (3.6 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Rockville in August

August is a good time to be in Rockville. Days are excellent, reaching 29°C (84°F), with nights around 19°C (66°F). This kind of day-to-night contrast is typical for this time of year. 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 Rockville in August

With approximately 262 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If your ideal day consists of dry skies and pleasant temperatures, August typically offers the best circumstances for Rockville.