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Mazatlán Weather by Month
Average temperatures, rainfall and humidity for Mazatlán, Mexico, month by month, built from OpenWeather’s historical records. Use it to see what a typical Mazatlán month looks like before you travel — then check the live Mazatlán forecast for the days ahead.
Warmest month
July
33°C average high
Coolest month
January
15°C average low
Wettest month
September
57 mm of rain
Driest month
April
0 mm of rain
Average temperature and rainfall in Mazatlán by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 26°C | 15°C | 6°C / 33°C | 10 mm | 76% | 7 km/h |
| February | 27°C | 15°C | 6°C / 35°C | 10 mm | 73% | 8 km/h |
| March | 27°C | 15°C | 6°C / 36°C | 1 mm | 70% | 9 km/h |
| April | 28°C | 18°C | 11°C / 35°C | 0 mm | 71% | 9 km/h |
| May | 30°C | 21°C | 14°C / 40°C | 1 mm | 71% | 9 km/h |
| June | 31°C | 25°C | 17°C / 36°C | 16 mm | 74% | 9 km/h |
| July | 33°C | 26°C | 21°C / 35°C | 41 mm | 76% | 9 km/h |
| August | 33°C | 25°C | 20°C / 35°C | 51 mm | 81% | 8 km/h |
| September | 32°C | 25°C | 21°C / 36°C | 57 mm | 83% | 8 km/h |
| October | 32°C | 24°C | 19°C / 39°C | 27 mm | 80% | 8 km/h |
| November | 30°C | 20°C | 10°C / 35°C | 29 mm | 76% | 8 km/h |
| December | 27°C | 17°C | 8°C / 35°C | 4 mm | 79% | 7 km/h |
Best time to visit Mazatlán
The most comfortable time to visit Mazatlán is generally January to March, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around September, totalling about 247 mm a year.
Travellers who prefer heat should aim for July, when highs average 33°C. September is the month to avoid if rain would spoil your plans — it averages 57 mm, roughly 57× the rainfall of the driest month (April).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Mazatlán forecast for what is happening now.