Similar Climates › City Pairings › Darwin ≈ Vientiane
City Pairings
fair match
Darwin, Australia and Vientiane, Laos are a fair climate match — 4,588 km (2,851 mi) apart. Darwin is Köppen zone Aw; Vientiane is Aw.
See Darwin on the interactive map →Darwin and Vientiane both sit in the tropical savanna (Aw) zone, so their seasonal arcs line up. Because one city is in the opposite hemisphere, the comparison flips seasons: Darwin’s January against Vientiane’s July. They are about 4,588 km (2,851 mi) apart, so Vientiane is a reachable stand-in when you want Darwin’s weather elsewhere.
It is a fair match — close on the main numbers, with a few seasonal quirks between Darwin and Vientiane. July by 3°C (Vientiane cooler); January means match within half a degree. Rainfall shifts more: Vientiane is 120 mm drier in January.
Sunshine stays close: Vientiane at 8.9 h/day on average versus 9.5 h/day in Darwin (January 7.8 h / 8.1 h, July 10 h / 10.9 h). Air quality: mean PM2.5 is 13 µg/m³ in Vientiane vs 8 in Darwin (higher by 6 µg/m³).
January & July · °C and mm
Darwin is in the southern hemisphere, so its July lines up with Vientiane's January — the bars above pair each city's summer and winter, not the calendar month.
Compare Darwin and Vientiane month by month on the interactive map →
See Vientiane's climate twin on its own page.
On Similar Climates, Vientiane, Laos is the closest distant match for Darwin, Australia — scored fair, about 4,588 km (2,851 mi) away.
Darwin and Vientiane are separated by roughly 4,588 km (2,851 mi) on the great-circle route.
No — they sit in opposite hemispheres, so seasons run about six months apart: Vientiane’s July pairs with Darwin’s January in the comparison.
Yes — both are tropical savanna (Aw).
Darwin has a tropical savanna climate (Aw). January averages a high of 32°C and a low of 25°C with 425 mm of rain; July averages 31°C / 20°C and 1 mm.
Darwin averages about 8.1 hours of sunshine a day in January and 10.9 hours in July.
January PM2.5 averages about 7.9 µg/m³ (US AQI 42); July averages 7.8 µg/m³ (US AQI 41).
Other close climate matches for Darwin: Ho Chi Minh City (fair), Dhaka (fair), Kolkata (loose).
All tropical savanna (Aw) cities on Similar Climates →
Explore Darwin and Vientiane on the interactive map →