Climate almanac
Manchester
Washington, United States · 47.56°, -122.55°
What is the climate like in Manchester?
The best time to visit Manchester is typically June – September, with trip comfort peaking in July (8.6/10). Manchester is warmest in August, when daily highs average 77°F (25°C), and coolest in February, when lows fall to about 39°F (4°C). The wettest month is typically December and the driest is July; the year sees roughly 48 in (1208 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in July (8.6/10)
- Warmest monthAugust — average high 77°F (25°C)
- Coolest monthFebruary — average low 39°F (4°C)
- Wettest monthDecember (7.2 in (184 mm))
- Driest monthJuly (0.7 in (17 mm))
- Annual precipitation48 in (1208 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromBremerton, 10 km away (1899-2026)