Portland

What is the climate like in Portland?

The best time to visit Portland is typically December – April, with trip comfort peaking in February (7.9/10). Portland is warmest in January, when daily highs average 69°F (21°C), and coolest in July, when lows fall to about 49°F (9°C). The wettest month is typically July and the driest is February; the year sees roughly 32 in (822 mm) of precipitation.

• Best time to visitDecember – April — comfort peaks in February (7.9/10)
• Warmest monthJanuary — average high 69°F (21°C)
• Coolest monthJuly — average low 49°F (9°C)
• Wettest monthJuly (4.6 in (117 mm))
• Driest monthFebruary (1.1 in (27 mm))
• Annual precipitation32 in (822 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromPortland Aero, 5 km away (1973-2026)