Arequipa weather in October
October in Arequipa: nice, dry, with clean air — one of the best months to visit.
#2 of 12 months in Arequipa · #1 of 897 destinations to visit in October · comfort 96/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Arequipa in October
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Arequipa climate normals — October
| Daytime high | 23°C / 74°F | 😎 nice |
|---|---|---|
| Nighttime low | 11°C / 51°F | |
| Rainfall | 18 mm / 0.7 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 41% | 🍃 comfortable |
| Dew point | 2°C / 35°F | |
| Sunshine | 11.6 h/day | |
| Daylight | 12.5 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Arequipa in October — FAQ
- Is October a good time to visit Arequipa?
- October in Arequipa: nice, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for Arequipa on SeasonMap's comfort score (96/100).
- What is the weather like in Arequipa in October?
- In October, Arequipa averages a daily high of 23.4°C and a low of 10.5°C, with about 18 mm of rain over roughly 4 rainy days.
- What is the air quality in Arequipa in October?
- Arequipa has a mean US Air Quality Index of about 35 in October.