Similar Climates › City Pairings › Valparaíso ≈ San Francisco
City Pairings
close match
Valparaíso, Chile and San Francisco, California are a close climate match — 9,466 km (5,882 mi) apart. Valparaíso is Köppen zone Csb; San Francisco is Csb.
See Valparaíso on the interactive map →Looking outward from Valparaíso, the atlas lands on San Francisco in the same warm-summer Mediterranean (Csb) zone — a distant place whose seasons still rise and fall with this city's. The hemispheres disagree on the calendar, so Valparaíso’s January is compared with San Francisco’s July. Valparaíso looks across roughly 9,466 km (5,882 mi) to San Francisco: a distant mirror when you want this climate on the other side of the map.
For Valparaíso, San Francisco is a close outward match: weather there should feel familiar if you know this city. Temperatures stay tight: January means differ by 1°C (San Francisco cooler); July by 1°C (San Francisco cooler). Monthly rainfall stays within 3 mm in both January and July.
Sunshine stays close: San Francisco at 10.1 h/day on average versus 10.7 h/day in Valparaíso (January 13.1 h / 13.1 h, July 7 h / 8.3 h). PM2.5 averages stay near each other (10 µg/m³ in San Francisco, 12 in Valparaíso).
January & July · °C and mm
Valparaíso is in the southern hemisphere, so its July lines up with San Francisco's January — the bars above pair each city's summer and winter, not the calendar month.
Compare Valparaíso and San Francisco month by month on the interactive map →
See San Francisco's climate twin on its own page.
On Similar Climates, San Francisco, California is the closest distant match for Valparaíso, Chile — scored close, about 9,466 km (5,882 mi) away.
Valparaíso and San Francisco are separated by roughly 9,466 km (5,882 mi) on the great-circle route.
No — they sit in opposite hemispheres, so seasons run about six months apart: San Francisco’s July pairs with Valparaíso’s January in the comparison.
Yes — both are warm-summer Mediterranean (Csb).
Valparaíso has a warm-summer Mediterranean climate (Csb). January averages a high of 22°C and a low of 13°C with 0 mm of rain; July averages 15°C / 9°C and 110 mm.
Valparaíso averages about 13.1 hours of sunshine a day in January and 8.3 hours in July.
January PM2.5 averages about 7.1 µg/m³ (US AQI 39); July averages 16.2 µg/m³ (US AQI 61).
Other close climate matches for Valparaíso: Victoria (loose), Porto (loose), Ponta Delgada (loose).
All warm-summer Mediterranean (Csb) cities on Similar Climates →
Explore Valparaíso and San Francisco on the interactive map →