Washington

What is the climate like in Washington?

The best time to visit Washington is typically September – October, with trip comfort peaking in September (7.4/10). Washington is warmest in July, when daily highs average 89°F (31°C), and coolest in January, when lows fall to about 26°F (-3°C). The wettest month is typically May and the driest is December; the year sees roughly 44 in (1127 mm) of precipitation.

• Best time to visitSeptember – October — comfort peaks in September (7.4/10)
• Warmest monthJuly — average high 89°F (31°C)
• Coolest monthJanuary — average low 26°F (-3°C)
• Wettest monthMay (5.5 in (140 mm))
• Driest monthDecember (2.1 in (53 mm))
• Annual precipitation44 in (1127 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromWashington, 4 km away (2009-2026)