Port Blair weather in August
August in Port Blair: warm, soaked, with clean air — a gamble, with 27 rainy days.
#11 of 12 months in Port Blair · #757 of 897 destinations to visit in August · comfort 60/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Port Blair in August
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Port Blair climate normals — August
| Daytime high | 28°C / 83°F | 🌤 warm |
|---|---|---|
| Nighttime low | 26°C / 80°F | |
| Rainfall | 289 mm / 11.4 in | ⛈ soaked |
| Rainy days | 27 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 8.2 h/day | |
| Daylight | 12.5 h | |
| Wind | 33 km/h / 20 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Port Blair in August — FAQ
- Is August a good time to visit Port Blair?
- August in Port Blair: warm, soaked, with clean air — a gamble, with 27 rainy days. It ranks #11 of 12 months for Port Blair on SeasonMap's comfort score (60/100).
- What is the weather like in Port Blair in August?
- In August, Port Blair averages a daily high of 28.2°C and a low of 26.4°C, with about 289.3 mm of rain over roughly 26.6 rainy days.
- What is the air quality in Port Blair in August?
- Port Blair has a mean US Air Quality Index of about 37 in August.