Isfahan weather in May
May in Isfahan: warm, dry — an excellent time to visit.
#3 of 12 months in Isfahan · #61 of 604 destinations to visit in May · comfort 91/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Isfahan climate normals — May
| Daytime high | 29°C / 85°F | 🌤 warm |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Feels like (high) | 27°C / 81°F | |
| Rainfall | 5 mm / 0.2 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 20% | 🌵 dry |
| Dew point | -4°C / 24°F | |
| Sunshine | 12.4 h/day | |
| Daylight | 13.8 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 69 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Isfahan in May — FAQ
- Is May a good time to visit Isfahan?
- May in Isfahan: warm, dry — an excellent time to visit. It ranks #3 of 12 months for Isfahan on SeasonMap's comfort score (91/100).
- What is the weather like in Isfahan in May?
- In May, Isfahan averages a daily high of 29.3°C and a low of 13.8°C, with about 5.4 mm of rain over roughly 1.8 rainy days.
- What is the air quality in Isfahan in May?
- Isfahan has a mean US Air Quality Index of about 69 in May.