Climate almanac
DuPont
Washington, United States · 47.10°, -122.63°
What is the climate like in DuPont?
The best time to visit DuPont is typically June – August, with trip comfort peaking in July (8.7/10). DuPont is warmest in August, when daily highs average 78°F (25°C), and coolest in February, when lows fall to about 38°F (3°C). The wettest month is typically December and the driest is July; the year sees roughly 53 in (1354 mm) of precipitation.
- Best time to visitJune – August — comfort peaks in July (8.7/10)
- Warmest monthAugust — average high 78°F (25°C)
- Coolest monthFebruary — average low 38°F (3°C)
- Wettest monthDecember (8.2 in (209 mm))
- Driest monthJuly (0.4 in (10 mm))
- Annual precipitation53 in (1354 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromGray AAF, 4 km away (1960-2026)