Bissau weather in May
May in Bissau: sweltering, dry — a good time to visit.
#6 of 12 months in Bissau · #488 of 604 destinations to visit in May · comfort 67/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Bissau climate normals — May
| Daytime high | 35°C / 94°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 37°C / 99°F | |
| Rainfall | 3 mm / 0.1 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 65% | 💧 humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 11.6 h/day | |
| Daylight | 12.7 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 76 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Bissau?
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Bissau in May — FAQ
- Is May a good time to visit Bissau?
- May in Bissau: sweltering, dry — a good time to visit. It ranks #6 of 12 months for Bissau on SeasonMap's comfort score (67/100).
- What is the weather like in Bissau in May?
- In May, Bissau averages a daily high of 34.6°C and a low of 24.5°C, with about 3.1 mm of rain over roughly 0.6 rainy days.
- What is the air quality in Bissau in May?
- Bissau has a mean US Air Quality Index of about 76 in May.