Valparaíso weather in December
December in Valparaíso: nice, dry, with clean air — an excellent time to visit.
#4 of 12 months in Valparaíso · #31 of 604 destinations to visit in December · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Valparaíso climate normals — December
| Daytime high | 18°C / 64°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 56°F | |
| Feels like (high) | 19°C / 66°F | |
| Rainfall | 1 mm / 0 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 13°C / 55°F | |
| Sunshine | 13.3 h/day | |
| Daylight | 14.3 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 31 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Valparaíso in December — FAQ
- Is December a good time to visit Valparaíso?
- December in Valparaíso: nice, dry, with clean air — an excellent time to visit. It ranks #4 of 12 months for Valparaíso on SeasonMap's comfort score (90/100).
- What is the weather like in Valparaíso in December?
- In December, Valparaíso averages a daily high of 17.8°C and a low of 13.6°C, with about 1 mm of rain over roughly 0.2 rainy days.
- What is the air quality in Valparaíso in December?
- Valparaíso has a mean US Air Quality Index of about 31 in December.