Umatilla Weather in August

During August, Umatilla experiences very high daytime temperatures of 32°C (90°F) and cooler nights around 15°C (59°F). Rainfall is low, averaging just 4.4 mm (0.2 in) for the month.

Rainfall in Umatilla in August

Analyzing past climate data, one can expect approximately 2 days of rain, averaging 4.4 mm (0.2 in). Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.

Temperature in Umatilla in August

The temperature in Umatilla in August is excellent. Daytime highs reach 32°C (90°F), with nights dropping to 15°C (59°F). Indoor breaks or shaded spots can make the warmer part of the day much more 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.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, September and October typically offer the best weather for Umatilla.