Hermiston Weather in August

August is one of the excellent months to visit Hermiston, with daytime temperatures of 32°C (90°F) and lows of 14°C (57°F) at night. Rainfall is minimal, averaging just 4 mm (0.2 in) for the month.

Rainfall in Hermiston in August

Rain is expected on roughly 2 days, totalling around 4 mm (0.2 in) for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.

Temperature in Hermiston in August

Hermiston in August is worth a visit. The temperature is excellent, with 32°C (90°F) during the day and 14°C (57°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights drop to around 14°C (57°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.

Should you favor a climate that's both dry and comfortably warm, April, May, June, September and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.