Grass Valley Weather in August

In Grass Valley, August brings very high daytime temperatures around 31°C (88°F), with nights cooling to 15°C (59°F). Minimal rainfall is to be expected.

Rainfall in Grass Valley in August

The climate data from previous years indicates about a single day of rain, averaging 0.5 mm (0.02 in) for the month. If rain does fall, it tends to be very light and barely worth getting out an umbrella for.

Temperature in Grass Valley in August

Grass Valley has excellent weather in August, with days reaching 31°C (88°F) and nights cooling to 15°C (59°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights cool down to 15°C (59°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.

If you prefer dry days with pleasant temperatures, May, June, September and October typically offer 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.