Gramado weather in May
May in Gramado: nice, soaked, with clean air — fine if you can take 13 rainy days.
#11 of 12 months in Gramado · #644 of 897 destinations to visit in May · comfort 75/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Gramado in May
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Gramado climate normals — May
| Daytime high | 17°C / 63°F | 😎 nice |
|---|---|---|
| Nighttime low | 9°C / 49°F | |
| Rainfall | 180 mm / 7.1 in | ⛈ soaked |
| Rainy days | 13 days | |
| Humidity | 87% | 💦 very humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 6.9 h/day | |
| Daylight | 10.7 h | |
| Wind | 12 km/h / 8 mph | |
| Air quality (US AQI) | 24 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Gramado in May — FAQ
- Is May a good time to visit Gramado?
- May in Gramado: nice, soaked, with clean air — fine if you can take 13 rainy days. It ranks #11 of 12 months for Gramado on SeasonMap's comfort score (75/100).
- What is the weather like in Gramado in May?
- In May, Gramado averages a daily high of 17.2°C and a low of 9.3°C, with about 180.4 mm of rain over roughly 12.8 rainy days.
- What is the air quality in Gramado in May?
- Gramado has a mean US Air Quality Index of about 24 in May.