Siargao weather in August
August in Siargao: warm, rainy, with clean air — an excellent time to visit.
#3 of 12 months in Siargao · #441 of 897 destinations to visit in August · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Siargao in August
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Siargao climate normals — August
| Daytime high | 29°C / 84°F | 🌤 warm |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Rainfall | 126 mm / 4.9 in | 🌧 rainy |
| Rainy days | 18 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 9.8 h/day | |
| Daylight | 12.4 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 27 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Siargao in August — FAQ
- Is August a good time to visit Siargao?
- August in Siargao: warm, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Siargao on SeasonMap's comfort score (82/100).
- What is the weather like in Siargao in August?
- In August, Siargao averages a daily high of 28.8°C and a low of 26.5°C, with about 125.6 mm of rain over roughly 17.8 rainy days.
- What is the air quality in Siargao in August?
- Siargao has a mean US Air Quality Index of about 27 in August.