Santa Teresa weather in May
May in Santa Teresa: warm, soaked, with clean air — fine if you can take 27 rainy days.
#8 of 12 months in Santa Teresa · #745 of 897 destinations to visit in May · comfort 68/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
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Santa Teresa climate normals — May
| Daytime high | 29°C / 84°F | 🌤 warm |
|---|---|---|
| Nighttime low | 25°C / 78°F | |
| Rainfall | 307 mm / 12.1 in | ⛈ soaked |
| Rainy days | 27 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 8.8 h/day | |
| Daylight | 12.6 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 29 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Santa Teresa in May — FAQ
- Is May a good time to visit Santa Teresa?
- May in Santa Teresa: warm, soaked, with clean air — fine if you can take 27 rainy days. It ranks #8 of 12 months for Santa Teresa on SeasonMap's comfort score (68/100).
- What is the weather like in Santa Teresa in May?
- In May, Santa Teresa averages a daily high of 28.7°C and a low of 25.4°C, with about 307.1 mm of rain over roughly 26.6 rainy days.
- What is the air quality in Santa Teresa in May?
- Santa Teresa has a mean US Air Quality Index of about 29 in May.