Port Blair weather in May
May in Port Blair: hot, soaked, with clean air — fine if you can take 25 rainy days.
#7 of 12 months in Port Blair · #743 of 897 destinations to visit in May · comfort 68/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Port Blair in May
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Port Blair climate normals — May
| Daytime high | 29°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 27°C / 81°F | |
| Rainfall | 276 mm / 10.9 in | ⛈ soaked |
| Rainy days | 25 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 25°C / 77°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 12.7 h | |
| Wind | 25 km/h / 16 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 May — FAQ
- Is May a good time to visit Port Blair?
- May in Port Blair: hot, soaked, with clean air — fine if you can take 25 rainy days. It ranks #7 of 12 months for Port Blair on SeasonMap's comfort score (68/100).
- What is the weather like in Port Blair in May?
- In May, Port Blair averages a daily high of 29.4°C and a low of 27.1°C, with about 276.2 mm of rain over roughly 24.8 rainy days.
- What is the air quality in Port Blair in May?
- Port Blair has a mean US Air Quality Index of about 37 in May.