Arequipa weather in May
May in Arequipa: nice, dry, with clean air — an excellent time to visit.
#6 of 12 months in Arequipa · #87 of 897 destinations to visit in May · comfort 92/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Arequipa in May
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Arequipa climate normals — May
| Daytime high | 22°C / 72°F | 😎 nice |
|---|---|---|
| Nighttime low | 9°C / 48°F | |
| Rainfall | 4 mm / 0.2 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 45% | 🍃 comfortable |
| Dew point | 2°C / 36°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 11.3 h | |
| Wind | 11 km/h / 7 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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Arequipa in May — FAQ
- Is May a good time to visit Arequipa?
- May in Arequipa: nice, dry, with clean air — an excellent time to visit. It ranks #6 of 12 months for Arequipa on SeasonMap's comfort score (92/100).
- What is the weather like in Arequipa in May?
- In May, Arequipa averages a daily high of 22°C and a low of 8.9°C, with about 4.3 mm of rain over roughly 1.8 rainy days.
- What is the air quality in Arequipa in May?
- Arequipa has a mean US Air Quality Index of about 37 in May.