Sudden Valley

What is the climate like in Sudden Valley?

The best time to visit Sudden Valley is typically July – August, with trip comfort peaking in July (7.9/10). Sudden Valley is warmest in August, when daily highs average 72°F (22°C), and coolest in February, when lows fall to about 32°F (0°C). The wettest month is typically November and the driest is July; the year sees roughly 78 in (1969 mm) of precipitation.

• Best time to visitJuly – August — comfort peaks in July (7.9/10)
• Warmest monthAugust — average high 72°F (22°C)
• Coolest monthFebruary — average low 32°F (0°C)
• Wettest monthNovember (12 in (293 mm))
• Driest monthJuly (1.2 in (30 mm))
• Annual precipitation78 in (1969 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromBellingham Intl AP, 17 km away (1949-2026)