Montevideo weather in May
May in Montevideo: nice, rainy, with clean air — an excellent time to visit.
#9 of 12 months in Montevideo · #343 of 604 destinations to visit in May · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Montevideo climate normals — May
| Daytime high | 17°C / 63°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 55°F | |
| Feels like (high) | 16°C / 61°F | |
| Rainfall | 84 mm / 3.3 in | 🌧 rainy |
| Rainy days | 6 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 7.7 h/day | |
| Daylight | 10.3 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Montevideo?
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Montevideo in May — FAQ
- Is May a good time to visit Montevideo?
- May in Montevideo: nice, rainy, with clean air — an excellent time to visit. It ranks #9 of 12 months for Montevideo on SeasonMap's comfort score (80/100).
- What is the weather like in Montevideo in May?
- In May, Montevideo averages a daily high of 17°C and a low of 12.6°C, with about 84 mm of rain over roughly 6 rainy days.
- What is the air quality in Montevideo in May?
- Montevideo has a mean US Air Quality Index of about 32 in May.