Brazzaville weather in May
May in Brazzaville: sweltering, a little rain, with poor air quality — a good time to visit.
#5 of 12 months in Brazzaville · #489 of 604 destinations to visit in May · comfort 67/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Brazzaville climate normals — May
| Daytime high | 30°C / 86°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 64 mm / 2.5 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 11.9 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 110 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Brazzaville in May — FAQ
- Is May a good time to visit Brazzaville?
- May in Brazzaville: sweltering, a little rain, with poor air quality — a good time to visit. It ranks #5 of 12 months for Brazzaville on SeasonMap's comfort score (67/100).
- What is the weather like in Brazzaville in May?
- In May, Brazzaville averages a daily high of 29.8°C and a low of 22.9°C, with about 63.9 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Brazzaville in May?
- Brazzaville has a mean US Air Quality Index of about 110 in May.