Curitiba weather in January
January in Curitiba: warm, soaked, with clean air — fine if you can take 23 rainy days.
#12 of 12 months in Curitiba · #298 of 897 destinations to visit in January · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Curitiba in January
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Curitiba climate normals — January
| Daytime high | 25°C / 77°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 65°F | |
| Rainfall | 183 mm / 7.2 in | ⛈ soaked |
| Rainy days | 23 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 18°C / 64°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 13.5 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Curitiba in January — FAQ
- Is January a good time to visit Curitiba?
- January in Curitiba: warm, soaked, with clean air — fine if you can take 23 rainy days. It ranks #12 of 12 months for Curitiba on SeasonMap's comfort score (80/100).
- What is the weather like in Curitiba in January?
- In January, Curitiba averages a daily high of 25.2°C and a low of 18.1°C, with about 182.9 mm of rain over roughly 23.4 rainy days.
- What is the air quality in Curitiba in January?
- Curitiba has a mean US Air Quality Index of about 32 in January.