Rotorua weather in May
May in Rotorua: cool, rainy, with clean air — an excellent time to visit.
#8 of 12 months in Rotorua · #346 of 604 destinations to visit in May · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Rotorua climate normals — May
| Daytime high | 15°C / 60°F | 🙂 cool |
|---|---|---|
| Nighttime low | 9°C / 49°F | |
| Feels like (high) | 14°C / 57°F | |
| Rainfall | 110 mm / 4.3 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 89% | 💦 very humid |
| Dew point | 11°C / 51°F | |
| Sunshine | 6.9 h/day | |
| Daylight | 10.1 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 21 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Rotorua?
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Rotorua in May — FAQ
- Is May a good time to visit Rotorua?
- May in Rotorua: cool, rainy, with clean air — an excellent time to visit. It ranks #8 of 12 months for Rotorua on SeasonMap's comfort score (80/100).
- What is the weather like in Rotorua in May?
- In May, Rotorua averages a daily high of 15.3°C and a low of 9.3°C, with about 110 mm of rain over roughly 9.6 rainy days.
- What is the air quality in Rotorua in May?
- Rotorua has a mean US Air Quality Index of about 21 in May.