Bethesda Weather in August

August in Bethesda typically sees daytime highs of 19°C (66°F) and nighttime lows of 12°C (54°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.

Rainfall in Bethesda in August

You can expect rain on around 17 days based on historical patterns, with 102 mm (4 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Bethesda in August

In August, Bethesda gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 12°C (54°F). August is part of the summer season. Conditions are often most pleasant around the middle of the day. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Bethesda in August

With about 145 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

For Bethesda itself, July 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.