Portland, Oregon vs Spanaway Climate
96%matchOn climate, Spanaway is a 96% match for Portland. Compared with Portland, Spanaway has the same winter lows and 4°F (2°C) cooler summer days.
Portland gets 42 in (1058 mm) of rain a year and Spanaway 44 in (1125 mm). August is the warmest month in both, with highs of 81°F (27°C) in Portland and 78°F (25°C) in Spanaway.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
PortlandSpanawaysolid = high, dashed = low
Rain (in per month)
PortlandSpanaway
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Portland | Spanaway | Portland | Spanaway | Portland | Spanaway | |
| Jan | 47°F(8°C) | 46°F(8°C) | 36°F(2°C) | 34°F(1°C) | 5.9 in(150 mm) | 6.4 in(162 mm) |
| Feb | 51°F(11°C) | 49°F(9°C) | 36°F(2°C) | 34°F(1°C) | 4.3 in(109 mm) | 4.5 in(114 mm) |
| Mar | 56°F(13°C) | 53°F(12°C) | 39°F(4°C) | 37°F(3°C) | 4.6 in(116 mm) | 4.9 in(124 mm) |
| Apr | 61°F(16°C) | 58°F(15°C) | 42°F(6°C) | 40°F(4°C) | 3.3 in(84 mm) | 3.5 in(90 mm) |
| May | 68°F(20°C) | 65°F(18°C) | 47°F(8°C) | 45°F(7°C) | 2.4 in(62 mm) | 2.2 in(56 mm) |
| Jun | 73°F(23°C) | 70°F(21°C) | 52°F(11°C) | 49°F(10°C) | 1.7 in(42 mm) | 1.8 in(46 mm) |
| Jul | 81°F(27°C) | 77°F(25°C) | 56°F(13°C) | 53°F(12°C) | 0.5 in(13 mm) | 0.7 in(17 mm) |
| Aug | 81°F(27°C) | 78°F(25°C) | 55°F(13°C) | 53°F(12°C) | 0.7 in(19 mm) | 1.1 in(27 mm) |
| Sep | 76°F(24°C) | 72°F(22°C) | 51°F(10°C) | 49°F(9°C) | 1.5 in(37 mm) | 1.7 in(44 mm) |
| Oct | 64°F(18°C) | 61°F(16°C) | 44°F(7°C) | 43°F(6°C) | 3.8 in(97 mm) | 4.2 in(107 mm) |
| Nov | 53°F(11°C) | 51°F(11°C) | 39°F(4°C) | 37°F(3°C) | 6.2 in(157 mm) | 6.9 in(174 mm) |
| Dec | 46°F(8°C) | 46°F(8°C) | 35°F(2°C) | 34°F(1°C) | 6.8 in(172 mm) | 6.5 in(164 mm) |
1991–2020 averages, by calendar month.