Arequipa weather in January
January in Arequipa: nice, soaked, with clean air — fine if you can take 27 rainy days.
#10 of 12 months in Arequipa · #333 of 897 destinations to visit in January · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Arequipa in January
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Arequipa climate normals — January
| Daytime high | 19°C / 67°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 53°F | |
| Rainfall | 223 mm / 8.8 in | ⛈ soaked |
| Rainy days | 27 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 12°C / 53°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 13 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 30 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Arequipa in January — FAQ
- Is January a good time to visit Arequipa?
- January in Arequipa: nice, soaked, with clean air — fine if you can take 27 rainy days. It ranks #10 of 12 months for Arequipa on SeasonMap's comfort score (78/100).
- What is the weather like in Arequipa in January?
- In January, Arequipa averages a daily high of 19.2°C and a low of 11.9°C, with about 222.9 mm of rain over roughly 27.4 rainy days.
- What is the air quality in Arequipa in January?
- Arequipa has a mean US Air Quality Index of about 30 in January.