Similar Climates › City Pairings › Iquitos ≈ São Luís
City Pairings
fair match
Iquitos, Peru and São Luís, Brazil are a fair climate match — 3,217 km (1,999 mi) apart. Iquitos is Köppen zone Af; São Luís is As.
See Iquitos on the interactive map →Iquitos is classed tropical rainforest (Af) while São Luís is tropical savanna, dry summer (As) — different Köppen labels, but January and July still land close enough to pair. They are about 3,217 km (1,999 mi) apart, so São Luís is a reachable stand-in when you want Iquitos’ weather elsewhere.
It is a fair match — close on the main numbers, with a few seasonal quirks between Iquitos and São Luís. Temperatures stay tight: January means match within half a degree; July by 0°C (São Luís warmer). Rainfall shifts more: São Luís is 60 mm drier in January, and 20 mm drier in July.
Sunshine: São Luís averages 10.8 hours a day across the two months vs 9.2 in Iquitos (1.5 h/day more; January 9.9 h vs 8.6 h, July 11.6 h vs 9.9 h). PM2.5 averages stay near each other (8 µg/m³ in São Luís, 10 in Iquitos).
January & July · °C and mm
Compare Iquitos and São Luís month by month on the interactive map →
See São Luís's climate twin on its own page.
On Similar Climates, São Luís, Brazil is the closest distant match for Iquitos, Peru — scored fair, about 3,217 km (1,999 mi) away.
Iquitos and São Luís are separated by roughly 3,217 km (1,999 mi) on the great-circle route.
Yes — both cities are in the same hemisphere, so summer and winter fall in the same calendar months.
No — Iquitos is tropical rainforest (Af) and São Luís is tropical savanna, dry summer (As), but the January and July numbers still align closely enough to pair.
Iquitos has a tropical rainforest climate (Af). January averages a high of 31°C and a low of 22°C with 280 mm of rain; July averages 31°C / 21°C and 165 mm.
Iquitos averages about 8.6 hours of sunshine a day in January and 9.9 hours in July.
January PM2.5 averages about 9.6 µg/m³ (US AQI 48); July averages 10.3 µg/m³ (US AQI 49).
Other close climate matches for Iquitos: Palembang (fair), Honiara (fair), Kuala Lumpur (loose).
All tropical rainforest (Af) cities on Similar Climates →
Explore Iquitos and São Luís on the interactive map →