Kelso

What is the climate like in Kelso?

The best time to visit Kelso is typically June – August, with trip comfort peaking in July (8.6/10). Kelso is warmest in August, when daily highs average 81°F (27°C), and coolest in February, when lows fall to about 36°F (2°C). The wettest month is typically December and the driest is July; the year sees roughly 56 in (1425 mm) of precipitation.

• Best time to visitJune – August — comfort peaks in July (8.6/10)
• Warmest monthAugust — average high 81°F (27°C)
• Coolest monthFebruary — average low 36°F (2°C)
• Wettest monthDecember (8.3 in (211 mm))
• Driest monthJuly (0.4 in (11 mm))
• Annual precipitation56 in (1425 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromLongview, 6 km away (1925-2026)