Santa Teresa weather in December
December in Santa Teresa: warm, a little rain, with clean air — an excellent time to visit.
#5 of 12 months in Santa Teresa · #173 of 897 destinations to visit in December · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Santa Teresa in December
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Santa Teresa climate normals — December
| Daytime high | 28°C / 83°F | 🌤 warm |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Rainfall | 56 mm / 2.2 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 11.6 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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Santa Teresa in December — FAQ
- Is December a good time to visit Santa Teresa?
- December in Santa Teresa: warm, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Santa Teresa on SeasonMap's comfort score (85/100).
- What is the weather like in Santa Teresa in December?
- In December, Santa Teresa averages a daily high of 28.3°C and a low of 25°C, with about 56.4 mm of rain over roughly 10.8 rainy days.
- What is the air quality in Santa Teresa in December?
- Santa Teresa has a mean US Air Quality Index of about 32 in December.