Similar Climates › City Pairings › Brazzaville ≈ São Tomé
City Pairings
close match
Brazzaville, Republic of the Congo and São Tomé, São Tomé and Príncipe are a close climate match — 1,079 km (670 mi) apart. Brazzaville is Köppen zone Aw; São Tomé is As.
See Brazzaville on the interactive map →Brazzaville is classed tropical savanna (Aw) while São Tomé is tropical savanna, dry summer (As) — different Köppen labels, but January and July still land close enough to pair. They sit only about 1,079 km (670 mi) apart — a short hop on the atlas for a climate match this close.
It is a close match: day-to-day weather in São Tomé should feel familiar if you know Brazzaville. Temperatures stay tight: January means differ by 1°C (São Tomé cooler); July by 0°C (São Tomé warmer). Rainfall shifts more: São Tomé is 15 mm wetter in January.
Sunshine stays close: São Tomé at 9.3 h/day on average versus 9.6 h/day in Brazzaville (January 9.4 h / 9.2 h, July 9.2 h / 9.9 h). Air quality: mean PM2.5 is 12 µg/m³ in São Tomé vs 31 in Brazzaville (lower by 19 µg/m³). Dew points differ modestly (January 23°C vs 22°C; July 20°C vs 18°C).
January & July · °C and mm
Compare Brazzaville and São Tomé month by month on the interactive map →
See São Tomé's climate twin on its own page.
On Similar Climates, São Tomé, São Tomé and Príncipe is the closest distant match for Brazzaville, Republic of the Congo — scored close, about 1,079 km (670 mi) away.
Brazzaville and São Tomé are separated by roughly 1,079 km (670 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 — Brazzaville is tropical savanna (Aw) and São Tomé is tropical savanna, dry summer (As), but the January and July numbers still align closely enough to pair.
Brazzaville has a tropical savanna climate (Aw). January averages a high of 30°C and a low of 22°C with 145 mm of rain; July averages 27°C / 19°C and 0 mm.
Brazzaville averages about 9.2 hours of sunshine a day in January and 9.9 hours in July.
January PM2.5 averages about 31.5 µg/m³ (US AQI 94); July averages 31 µg/m³ (US AQI 93).
Other close climate matches for Brazzaville: Guayaquil (fair), Dili (loose), Funchal (loose).
All tropical savanna (Aw) cities on Similar Climates →
Explore Brazzaville and São Tomé on the interactive map →