Mazatlán weather in December
December in Mazatlán: warm, dry, with clean air — an excellent time to visit.
#7 of 12 months in Mazatlán · #58 of 897 destinations to visit in December · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Mazatlán in December
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Mazatlán climate normals — December
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Rainfall | 3 mm / 0.1 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 18°C / 64°F | |
| Sunshine | 9.6 h/day | |
| Daylight | 10.7 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Mazatlán in December — FAQ
- Is December a good time to visit Mazatlán?
- December in Mazatlán: warm, dry, with clean air — an excellent time to visit. It ranks #7 of 12 months for Mazatlán on SeasonMap's comfort score (90/100).
- What is the weather like in Mazatlán in December?
- In December, Mazatlán averages a daily high of 27°C and a low of 18°C, with about 2.9 mm of rain over roughly 0.2 rainy days.
- What is the air quality in Mazatlán in December?
- Mazatlán has a mean US Air Quality Index of about 42 in December.