Belém weather in August
August in Belém: sweltering, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Belém · #397 of 604 destinations to visit in August · comfort 72/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Belém climate normals — August
| Daytime high | 32°C / 89°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 35 mm / 1.4 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 11 h/day | |
| Daylight | 12.1 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Belém in August — FAQ
- Is August a good time to visit Belém?
- August in Belém: sweltering, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Belém on SeasonMap's comfort score (72/100).
- What is the weather like in Belém in August?
- In August, Belém averages a daily high of 31.7°C and a low of 24.8°C, with about 34.8 mm of rain over roughly 7.6 rainy days.
- What is the air quality in Belém in August?
- Belém has a mean US Air Quality Index of about 38 in August.