Portland, Oregon vs Corvallis Climate
97%matchOn climate, Corvallis is a 97% match for Portland. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.
Portland gets 42 in (1058 mm) of rain a year and Corvallis 46 in (1161 mm). August is the warmest month in both, with highs of 81°F (27°C) in Portland and 85°F (29°C) in Corvallis.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
PortlandCorvallissolid = high, dashed = low
Rain (in per month)
PortlandCorvallis
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Portland | Corvallis | Portland | Corvallis | Portland | Corvallis | |
| Jan | 47°F(8°C) | 48°F(9°C) | 36°F(2°C) | 36°F(2°C) | 5.9 in(150 mm) | 6.8 in(172 mm) |
| Feb | 51°F(11°C) | 52°F(11°C) | 36°F(2°C) | 36°F(2°C) | 4.3 in(109 mm) | 5.3 in(135 mm) |
| Mar | 56°F(13°C) | 56°F(13°C) | 39°F(4°C) | 38°F(4°C) | 4.6 in(116 mm) | 5.0 in(128 mm) |
| Apr | 61°F(16°C) | 61°F(16°C) | 42°F(6°C) | 41°F(5°C) | 3.3 in(84 mm) | 3.5 in(88 mm) |
| May | 68°F(20°C) | 69°F(20°C) | 47°F(8°C) | 45°F(7°C) | 2.4 in(62 mm) | 2.4 in(60 mm) |
| Jun | 73°F(23°C) | 74°F(24°C) | 52°F(11°C) | 50°F(10°C) | 1.7 in(42 mm) | 1.5 in(38 mm) |
| Jul | 81°F(27°C) | 83°F(28°C) | 56°F(13°C) | 54°F(12°C) | 0.5 in(13 mm) | 0.4 in(9 mm) |
| Aug | 81°F(27°C) | 85°F(29°C) | 55°F(13°C) | 53°F(12°C) | 0.7 in(19 mm) | 0.5 in(13 mm) |
| Sep | 76°F(24°C) | 79°F(26°C) | 51°F(10°C) | 50°F(10°C) | 1.5 in(37 mm) | 1.3 in(34 mm) |
| Oct | 64°F(18°C) | 66°F(19°C) | 44°F(7°C) | 44°F(6°C) | 3.8 in(97 mm) | 3.4 in(87 mm) |
| Nov | 53°F(11°C) | 53°F(12°C) | 39°F(4°C) | 38°F(3°C) | 6.2 in(157 mm) | 7.0 in(178 mm) |
| Dec | 46°F(8°C) | 47°F(8°C) | 35°F(2°C) | 35°F(2°C) | 6.8 in(172 mm) | 8.6 in(219 mm) |
1991–2020 averages, by calendar month.