Similar Climates › City Pairings › Perth ≈ Naples
City Pairings
fair match
Perth, Australia and Naples, Italy are a fair climate match — 13,162 km (8,178 mi) apart. Perth is Köppen zone Csa; Naples is Csa.
See Perth on the interactive map →Perth and Naples both sit in the hot-summer Mediterranean (Csa) zone, so their seasonal arcs line up. Because one city is in the opposite hemisphere, the comparison flips seasons: Perth’s January against Naples’ July. Roughly 13,162 km (8,178 mi) separates them — far enough that Naples feels like another continent, close enough on the climate numbers to stand in for Perth.
It is a fair match — close on the main numbers, with a few seasonal quirks between Perth and Naples. July by 4°C (Naples cooler); January means differ by 0°C (Naples cooler). Rainfall shifts more: Naples is 50 mm drier in July, and 16 mm wetter in January.
Sunshine stays close: Naples at 10.4 h/day on average versus 10.6 h/day in Perth (January 13.8 h / 12.8 h, July 7 h / 8.4 h). Air quality: mean PM2.5 is 13 µg/m³ in Naples vs 6 in Perth (higher by 8 µg/m³). Dew points differ modestly (January 17°C vs 14°C; July 5°C vs 8°C).
January & July · °C and mm
Perth is in the southern hemisphere, so its July lines up with Naples's January — the bars above pair each city's summer and winter, not the calendar month.
Compare Perth and Naples month by month on the interactive map →
See Naples's climate twin on its own page.
On Similar Climates, Naples, Italy is the closest distant match for Perth, Australia — scored fair, about 13,162 km (8,178 mi) away.
Perth and Naples are separated by roughly 13,162 km (8,178 mi) on the great-circle route.
No — they sit in opposite hemispheres, so seasons run about six months apart: Naples’ July pairs with Perth’s January in the comparison.
Yes — both are hot-summer Mediterranean (Csa).
Perth has a hot-summer Mediterranean climate (Csa). January averages a high of 31°C and a low of 18°C with 8 mm of rain; July averages 18°C / 8°C and 145 mm.
Perth averages about 12.8 hours of sunshine a day in January and 8.4 hours in July.
January PM2.5 averages about 5.3 µg/m³ (US AQI 31); July averages 6.3 µg/m³ (US AQI 35).
Other close climate matches for Perth: Tirana (fair), İzmir (fair), Rome (loose).
All hot-summer Mediterranean (Csa) cities on Similar Climates →
Explore Perth and Naples on the interactive map →