Climate almanac
Happy Valley
Oregon, US · 45.45°, -122.53°
What is the climate like in Happy Valley?
The best time to visit Happy Valley is typically June – September, with trip comfort peaking in July (9.1/10). Happy Valley is warmest in August, when daily highs average 86°F (30°C), and coolest in December, when lows fall to about 37°F (3°C). The wettest month is typically December and the driest is July; the year sees roughly 64 in of precipitation.
- Best time to visitJune – September — comfort peaks in July (9.1/10)
- Warmest monthAugust — average high 86°F (30°C)
- Coolest monthDecember — average low 37°F (3°C)
- Wettest monthDecember (10 in)
- Driest monthJuly (0.3 in)
- Annual precipitation64 in