Similar Climates › City Pairings › Surabaya ≈ Rio Branco

City Pairings

🇮🇩 Surabaya’s climate twin is 🇧🇷 Rio Branco, Brazil

fair match

Surabaya, Indonesia and Rio Branco, Brazil are a fair climate match — 18,099 km (11,246 mi) apart. Surabaya is Köppen zone Aw; Rio Branco is Aw.

See Surabaya on the interactive map →

What to expect

Looking outward from Surabaya, the atlas lands on Rio Branco in the same tropical savanna (Aw) zone — a distant place whose seasons still rise and fall with this city's. From Surabaya, Rio Branco is nearly opposite on the globe (18,099 km / 11,246 mi), yet still the place this atlas picks when January and July need a match.

For Surabaya, Rio Branco is a fair outward match — close on the main numbers, with a few seasonal quirks. July by 3°C (Rio Branco cooler); January means differ by 1°C (Rio Branco cooler). Monthly rainfall stays within 5 mm in both January and July.

Sunshine stays close: Rio Branco at 9.8 h/day on average versus 9.8 h/day in Surabaya (January 8.9 h / 8.7 h, July 10.7 h / 10.8 h). Air quality: mean PM2.5 is 10 µg/m³ in Rio Branco vs 29 in Surabaya (lower by 19 µg/m³).

January & July climate

January & July · °C and mm

SurabayaRio Branco
January
Temp
32° / 23°
31° / 22°
Rain
305 mm
300 mm
Dew
24°
23°
PM2.5
38.6 µg/m³
8.1 µg/m³
Sun
8.7 h
8.9 h
July
Temp
33° / 22°
31° / 18°
Rain
25 mm
30 mm
Dew
21°
21°
PM2.5
20.2 µg/m³
12.2 µg/m³
Sun
10.8 h
10.7 h

Compare Surabaya and Rio Branco month by month on the interactive map →

See Rio Branco's climate twin on its own page.

Frequently asked questions

What place has a climate like Surabaya?

On Similar Climates, Rio Branco, Brazil is the closest distant match for Surabaya, Indonesia — scored fair, about 18,099 km (11,246 mi) away.

How far is Surabaya from its climate twin?

Surabaya and Rio Branco are separated by roughly 18,099 km (11,246 mi) on the great-circle route.

Do Surabaya and Rio Branco have their seasons at the same time?

Yes — both cities are in the same hemisphere, so summer and winter fall in the same calendar months.

Do Surabaya and Rio Branco share a Köppen climate zone?

Yes — both are tropical savanna (Aw).

What is the climate like in Surabaya?

Surabaya has a tropical savanna climate (Aw). January averages a high of 32°C and a low of 23°C with 305 mm of rain; July averages 33°C / 22°C and 25 mm.

How sunny is Surabaya?

Surabaya averages about 8.7 hours of sunshine a day in January and 10.8 hours in July.

What is the air quality like in Surabaya?

January PM2.5 averages about 38.6 µg/m³ (US AQI 108); July averages 20.2 µg/m³ (US AQI 72).

Other close climate matches for Surabaya: Manaus (loose), Guayaquil (loose), Iquitos (loose).

More tropical savanna cities

All tropical savanna (Aw) cities on Similar Climates →

Explore Surabaya and Rio Branco on the interactive map →

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