Climate almanac
Umatilla
Oregon, US · 45.92°, -119.34°
What is the climate like in Umatilla?
The best time to visit Umatilla is typically April – October, with trip comfort peaking in August (9.0/10). Umatilla is warmest in July, when daily highs average 97°F (36°C), and coolest in January, when lows fall to about 30°F (-1°C). The wettest month is typically December and the driest is July; the year sees roughly 11 in of precipitation.
- Best time to visitApril – October — comfort peaks in August (9.0/10)
- Warmest monthJuly — average high 97°F (36°C)
- Coolest monthJanuary — average low 30°F (-1°C)
- Wettest monthDecember (1.6 in)
- Driest monthJuly (0.1 in)
- Annual precipitation11 in