Gramado weather in December
December in Gramado: warm, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Gramado · #70 of 897 destinations to visit in December · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Gramado in December
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Gramado climate normals — December
| Daytime high | 25°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Rainfall | 130 mm / 5.1 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 16°C / 60°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 14 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 26 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Gramado in December — FAQ
- Is December a good time to visit Gramado?
- December in Gramado: warm, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Gramado on SeasonMap's comfort score (89/100).
- What is the weather like in Gramado in December?
- In December, Gramado averages a daily high of 24.5°C and a low of 15°C, with about 130.1 mm of rain over roughly 14.4 rainy days.
- What is the air quality in Gramado in December?
- Gramado has a mean US Air Quality Index of about 26 in December.