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Climate type

Warm-summer Mediterranean climate

Csb Köppen code Csb

Mild wet winters with cooler dry summers — the Pacific Northwest pattern. Cities with this climate include Porto, San Francisco, San Jose.

What this climate is like

Mild wet winters with cooler dry summers — the Pacific Northwest pattern.

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Temperatures

Warm but not hot summers — daytime highs typically 22–28°C (72–82°F) — and mild, damp winters. Big diurnal swing in summer keeps nights cool.

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Rainfall and seasons

Like Csa, rainfall is concentrated in the cooler half of the year and summers are dry. The temperature ceiling is lower.

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Where in the world

Coastal Oregon, Washington and British Columbia; northwestern Iberia; parts of central Chile and coastal South Africa.

Pacific NorthwestNorthwestern IberiaCentral ChileCoastal South Africa

A typical year, in two recognisable cities — coolest and warmest month averages:

A climate type is a broad summary. For exact month-by-month temperatures, rainfall, sunshine and records, open a city's own climate page.

What it means for you

Whether you're thinking of moving, gardening or travelling.

🏠 Living here

Comfortable year-round — sunny, dry summers and mild, wet winters. Heating is modest; AC is rarely necessary.

🌱 Gardening

Cool-season vegetables, stone fruit, berries and hops excel. Wine grapes do well at the warmer end.

✈️ Travel

Late spring through early autumn is the pristine window — warm, dry, sunny. Winter is wet but never brutal.

Browse cities with this climate

Popular cities with this climate

All 335 cities, across 17 countries — open a country to see its list.

Afghanistan 4 cities
Albania 7 cities
Argentina 1 city
Australia 6 cities
Austria 1 city
Azerbaijan 1 city
Canada 21 cities
Chile 10 cities
Ethiopia 6 cities
Kenya 20 cities
Latvia 4 cities
North Macedonia 13 cities
Peru 1 city
Portugal 12 cities
Spain 23 cities
Turkey 8 cities
United States 197 cities
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