Bethesda Weather in August

August in Bethesda brings high temperatures, with daytime highs of 30°C (86°F) and nights around 19°C (66°F). Quite a bit of rainfall is expected, around 98 mm (3.9 in), so pack an umbrella.

Rainfall in Bethesda in August

Historically, August sees about 11 days of rain, with a monthly average of 98 mm (3.9 in). 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 Bethesda in August

Daytime highs in Bethesda in August reach 30°C (86°F), with nights around 19°C (66°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 19°C (66°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Bethesda in August

The city usually sees around 262 hours of sunlight, indicating many sunny days , a great month for sightseeing.

Wind Speed in Bethesda in August

Wind speeds average 4 m/s (8 knots) during August. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

For Bethesda itself, April 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.