October · Peru
Best time to visit Arequipa in October Weather, crowds & prices
Weather in Arequipa in October
Average temperature 12°C, 3 mm of rain, about 31 days with 6+ hours of sunshine and 40% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
October score
9.4/10
Ranked #4 of 12 months
- Avg temp
- 12°C
- Rainfall
- 3 mm
- Humidity
- 40%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
October in Arequipa scores 9.4/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 12°C, 3 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Arequipa's white sillar stone buildings sit under the Misti volcano, gateway to Colca canyon.
October ranks 4th of 12 for Arequipa — one of the best windows
Temperatures hover around 12°C (54°F) — the kind of month where neither heat nor cold forces the schedule.
At just 3 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 12.4 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for Arequipa at 9.4/10 (4th of 12), just behind November at 9.6/10.
Pack layers you can shed by midday plus one warm layer for the evening.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Arequipa in October?
- In October, Arequipa averages 12°C, 3 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.4/10.
- Is October a good time to visit Arequipa?
- October earns a 9.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Arequipa in October?
- Expect about 3 mm of rain in October. Average humidity is 40% and there are about 31 days with 6+ hours of sunshine.
Curated in Arequipa
Tickets & experiences
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Arequipa, Peru. Live activities and tours from GetYourGuide, matched to this destination.