Pendleton

What is the climate like in Pendleton?

The best time to visit Pendleton is typically May – September, with trip comfort peaking in July (9.1/10). Pendleton is warmest in July, when daily highs average 92°F (33°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 20 in (510 mm) of precipitation.

• Best time to visitMay – September — comfort peaks in July (9.1/10)
• Warmest monthJuly — average high 92°F (33°C)
• Coolest monthJanuary — average low 30°F (-1°C)
• Wettest monthDecember (2.8 in (71 mm))
• Driest monthJuly (0.1 in (2 mm))
• Annual precipitation20 in (510 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromPendleton, 5 km away (1928-2026)