Climate averages 1991–2020
Mazatlán weather
in August.
A hot, very wet month: the joint 3rd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Mazatlán: daytime highs average 30.2°C and nights cool to about 25.4°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Expect about 184 mm of rain on roughly 19 days, which makes August a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 56 min on an average August day.
The nearest other city in this atlas is Victoria de Durango (200 km away). In August its highs average 25.7°C, 4.6°C cooler than Mazatlán, with 100 mm of rain.
Among the 153 cities listed in Mexico, Mazatlán ranks joint 57th of 153 for the warmest August highs and 119th of 153 for the driest August (rainfall, lowest first). The mean August high of those 153 cities is 27.9°C; Mazatlán is 2.3°C warmer than that mean.
From August to September, average highs fall by 0.6°C to 29.7°C, and monthly rainfall rises from 184 mm to 205 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Mazatlán climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.5°C16.5°C | 16.5°C | 15 | 1.5 | 10.911 h |
| February | 25.9°C16.5°C | 16.5°C | 15 | 1.2 | 11.411 h |
| March | 26.8°C17.0°C | 17.0°C | 3.2 | 0.4 | 12.012 h |
| April | 28.4°C18.3°C | 18.3°C | 0.7 | 0.2 | 12.713 h |
| May | 30.2°C20.7°C | 20.7°C | 0.6 | 0.2 | 13.213 h |
| June | 31.2°C24.2°C | 24.2°C | 25 | 3.1 | 13.514 h |
| July | 30.7°C25.3°C | 25.3°C | 132 | 14.3 | 13.413 h |
| August, selected | 30.2°C25.4°C | 25.4°C | 184 | 18.8 | 12.913 h |
| September | 29.7°C25.1°C | 25.1°C | 205 | 19.0 | 12.312 h |
| October | 29.6°C23.8°C | 23.8°C | 65 | 6.7 | 11.612 h |
| November | 28.1°C20.5°C | 20.5°C | 35 | 2.0 | 11.011 h |
| December | 26.0°C17.6°C | 17.6°C | 9.3 | 1.4 | 10.711 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Victoria de Durango in AugustMexico · 200 kmHigh 25.7°C · Low 14.9°C · 100 mm rain
- Culiacán in AugustMexico · 202 kmHigh 32.6°C · Low 25.0°C · 178 mm rain
- Tepic in AugustMexico · 247 kmHigh 27.6°C · Low 20.4°C · 393 mm rain
- Guamúchil in AugustMexico · 300 kmHigh 33.4°C · Low 25.3°C · 166 mm rain
- Puerto Vallarta in AugustMexico · 315 kmHigh 30.9°C · Low 24.4°C · 342 mm rain
- Guasave in AugustMexico · 333 kmHigh 34.0°C · Low 25.8°C · 114 mm rain
- San José del Cabo in AugustMexico · 336 kmHigh 32.8°C · Low 26.2°C · 73 mm rain
- Cabo San Lucas in AugustMexico · 359 kmHigh 31.1°C · Low 26.6°C · 65 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Mazatlán) is explained once on the Mazatlán year overview and on the Sources, method and limits page.