Climate almanac
Graham
Washington, United States · 47.05°, -122.29°
What is the climate like in Graham?
The best time to visit Graham is typically July – August, with trip comfort peaking in July (8.6/10). Graham is warmest in August, when daily highs average 76°F (25°C), and coolest in February, when lows fall to about 34°F (1°C). The wettest month is typically December and the driest is July; the year sees roughly 64 in (1619 mm) of precipitation.
- Best time to visitJuly – August — comfort peaks in July (8.6/10)
- Warmest monthAugust — average high 76°F (25°C)
- Coolest monthFebruary — average low 34°F (1°C)
- Wettest monthDecember (9.7 in (246 mm))
- Driest monthJuly (0.7 in (17 mm))
- Annual precipitation64 in (1619 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromMcmillin Rsvr, 10 km away (1941-2026)