Walla Walla

What is the climate like in Walla Walla?

The best time to visit Walla Walla is typically June – September, with trip comfort peaking in July (9.1/10). Walla Walla is warmest in July, when daily highs average 88°F (31°C), and coolest in January, when lows fall to about 29°F (-1°C). The wettest month is typically December and the driest is July; the year sees roughly 27 in of precipitation.

• Best time to visitJune – September — comfort peaks in July (9.1/10)
• Warmest monthJuly — average high 88°F (31°C)
• Coolest monthJanuary — average low 29°F (-1°C)
• Wettest monthDecember (4.0 in)
• Driest monthJuly (0.2 in)
• Annual precipitation27 in