Valparaíso weather in August
August in Valparaíso: cool, a little rain, with clean air — an excellent time to visit.
#10 of 12 months in Valparaíso · #304 of 604 destinations to visit in August · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Valparaíso climate normals — August
| Daytime high | 14°C / 57°F | 🙂 cool |
|---|---|---|
| Nighttime low | 10°C / 49°F | |
| Feels like (high) | 12°C / 54°F | |
| Rainfall | 44 mm / 1.7 in | 🌦 some rain |
| Rainy days | 3 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 10.9 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Valparaíso?
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Valparaíso in August — FAQ
- Is August a good time to visit Valparaíso?
- August in Valparaíso: cool, a little rain, with clean air — an excellent time to visit. It ranks #10 of 12 months for Valparaíso on SeasonMap's comfort score (80/100).
- What is the weather like in Valparaíso in August?
- In August, Valparaíso averages a daily high of 13.9°C and a low of 9.7°C, with about 44.1 mm of rain over roughly 3.4 rainy days.
- What is the air quality in Valparaíso in August?
- Valparaíso has a mean US Air Quality Index of about 41 in August.