Dunedin weather in May
May in Dunedin: cool, a little rain, with clean air — a great time to visit.
#9 of 12 months in Dunedin · #426 of 604 destinations to visit in May · comfort 74/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Dunedin climate normals — May
| Daytime high | 13°C / 56°F | 🙂 cool |
|---|---|---|
| Nighttime low | 7°C / 44°F | |
| Feels like (high) | 11°C / 52°F | |
| Rainfall | 49 mm / 1.9 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 7°C / 44°F | |
| Sunshine | 6.5 h/day | |
| Daylight | 9.4 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 18 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Dunedin in May — FAQ
- Is May a good time to visit Dunedin?
- May in Dunedin: cool, a little rain, with clean air — a great time to visit. It ranks #9 of 12 months for Dunedin on SeasonMap's comfort score (74/100).
- What is the weather like in Dunedin in May?
- In May, Dunedin averages a daily high of 13.2°C and a low of 6.5°C, with about 49.3 mm of rain over roughly 9.6 rainy days.
- What is the air quality in Dunedin in May?
- Dunedin has a mean US Air Quality Index of about 18 in May.