Toppenish

What is the climate like in Toppenish?

The best time to visit Toppenish is typically May – September, with trip comfort peaking in July (9.1/10). Toppenish is warmest in July, when daily highs average 94°F (35°C), and coolest in January, when lows fall to about 27°F (-3°C). The wettest month is typically December and the driest is July; the year sees roughly 12 in (309 mm) of precipitation.

• Best time to visitMay – September — comfort peaks in July (9.1/10)
• Warmest monthJuly — average high 94°F (35°C)
• Coolest monthJanuary — average low 27°F (-3°C)
• Wettest monthDecember (2.3 in (59 mm))
• Driest monthJuly (0.1 in (1 mm))
• Annual precipitation12 in (309 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromYakima AP, 27 km away (1946-2026)