Mazatlán Climate by Month
Mazatlán, Sinaloa, Mexico
Warm all year, with a rainy season from July to September.
The climate in Mazatlán is warm all year, with a rainy season from July to September. Expect highs of 93°F (34°C) in August and 81°F (27°C) in January, with the coldest nights (January) near 58°F (14°C). Of the 33 in (829 mm) of rain in a typical year, 80% falls from July to September. March to May are almost completely dry.
- Warmest month
- 93°F(34°C)
- Average high, August
- Coldest nights
- 58°F(14°C)
- Average low, January
- Rain per year
- 33 in(829 mm)
- Wettest: September
- Humidity
- 69%
- Sunniest: May
Best and worst months in Mazatlán
Best for weatherThe most comfortable weather comes from January to March, with highs around 82°F (28°C) and almost no rain.
Least pleasantSeptember is the least pleasant month: it's the wettest, with 10 in (256 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in February.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Mazatlán weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 81°F(27°C) | 58°F(14°C) | 0.6 in(15 mm) | 69% | 3.7 |
| FebFebruaryBest | 81°F(27°C) | 58°F(14°C) | 0.4 in(10 mm) | 69% | 4.5 |
| MarMarchBest | 82°F(28°C) | 59°F(15°C) | 0.1 in(2 mm) | 67% | 5.4 |
| AprApril | 85°F(29°C) | 62°F(17°C) | 0.0 in(0 mm) | 68% | 5.9 |
| MayMay | 88°F(31°C) | 68°F(20°C) | 0.0 in(1 mm) | 66% | 6.2 |
| JunJune | 91°F(33°C) | 76°F(25°C) | 1.4 in(36 mm) | 68% | 5.9 |
| JulJuly | 93°F(34°C) | 77°F(25°C) | 7.8 in(198 mm) | 70% | 5.6 |
| AugAugust | 93°F(34°C) | 78°F(25°C) | 8.4 in(213 mm) | 72% | 5.4 |
| SepSeptember | 93°F(34°C) | 77°F(25°C) | 10 in(256 mm) | 73% | 4.8 |
| OctOctober | 92°F(33°C) | 74°F(24°C) | 2.4 in(60 mm) | 70% | 4.8 |
| NovNovember | 88°F(31°C) | 66°F(19°C) | 1.1 in(28 mm) | 66% | 4.1 |
| DecDecember | 82°F(28°C) | 60°F(15°C) | 0.4 in(10 mm) | 70% | 3.6 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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