Similar Climates › City Pairings › San Francisco ≈ Valparaíso
City Pairings
close match
San Francisco, California and Valparaíso, Chile are a close climate match — 9,466 km (5,882 mi) apart. San Francisco is Köppen zone Csb; Valparaíso is Csb.
See San Francisco on the interactive map →Looking outward from San Francisco, the atlas lands on Valparaíso 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 San Francisco’s January is compared with Valparaíso’s July. San Francisco looks across roughly 9,466 km (5,882 mi) to Valparaíso: a distant mirror when you want this climate on the other side of the map.
For San Francisco, Valparaíso is a close outward match: weather there should feel familiar if you know this city. Temperatures stay tight: January means differ by 1°C (Valparaíso warmer); July by 1°C (Valparaíso warmer). Monthly rainfall stays within 3 mm in both January and July.
Sunshine stays close: Valparaíso at 10.7 h/day on average versus 10.1 h/day in San Francisco (January 8.3 h / 7 h, July 13.1 h / 13.1 h). PM2.5 averages stay near each other (12 µg/m³ in Valparaíso, 10 in San Francisco).
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 San Francisco and Valparaíso month by month on the interactive map →
See Valparaíso's climate twin on its own page.
On Similar Climates, Valparaíso, Chile is the closest distant match for San Francisco, California — scored close, about 9,466 km (5,882 mi) away.
San Francisco and Valparaíso 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: Valparaíso’s July pairs with San Francisco’s January in the comparison.
Yes — both are warm-summer Mediterranean (Csb).
San Francisco has a warm-summer Mediterranean climate (Csb). January averages a high of 14°C and a low of 8°C with 113 mm of rain; July averages 20°C / 13°C and 0 mm.
San Francisco averages about 7 hours of sunshine a day in January and 13.1 hours in July.
January PM2.5 averages about 11.3 µg/m³ (US AQI 51); July averages 8.7 µg/m³ (US AQI 46).
Other close climate matches for San Francisco: Ponta Delgada (loose), Funchal (loose), Porto (loose).
All warm-summer Mediterranean (Csb) cities on Similar Climates →
Explore San Francisco and Valparaíso on the interactive map →