Guanajuato weather in December
December in Guanajuato: nice, dry, with clean air — an excellent time to visit.
#9 of 12 months in Guanajuato · #23 of 604 destinations to visit in December · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Guanajuato climate normals — December
| Daytime high | 22°C / 72°F | 😎 nice |
|---|---|---|
| Nighttime low | 9°C / 48°F | |
| Feels like (high) | 19°C / 66°F | |
| Rainfall | 12 mm / 0.5 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 59% | 🍃 comfortable |
| Dew point | 5°C / 41°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 10.9 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Guanajuato?
Loading map…
Guanajuato in December — FAQ
- Is December a good time to visit Guanajuato?
- December in Guanajuato: nice, dry, with clean air — an excellent time to visit. It ranks #9 of 12 months for Guanajuato on SeasonMap's comfort score (90/100).
- What is the weather like in Guanajuato in December?
- In December, Guanajuato averages a daily high of 22.2°C and a low of 9°C, with about 12.3 mm of rain over roughly 2.4 rainy days.
- What is the air quality in Guanajuato in December?
- Guanajuato has a mean US Air Quality Index of about 38 in December.