Mazatlán is at its most pleasant from January to early April. For sun, aim for mid March to May.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
The sun season here runs from mid March to May, with a second spell from mid November to January. It peaks in late April, at 80. The weakest stretch is from mid July to early October, when it drops to 7, mostly because it is too hot. The clearest skies come in May, when the sky is typically 30% covered at midday (mostly clear).
For being outside, go from January to early April. It peaks in early March, at 72. Avoid late May to early November for this: it falls to 3, mostly because it is too hot.
Walking is not what Mazatlán is for: the Active outdoors rating tops out at 29, mostly because it is too warm.
The year, measured
The average temperature in Mazatlán over the whole year is 25°C. July is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 15°C. The rainy (wet) season in Mazatlán runs from June to December, peaking in August with a 61% chance of rain on a given day. The dry season is January to May; March is the driest month, at 17%. Winds in Mazatlán are highest in March, averaging 2.1 m/s (8 km/h), and lightest in December, at 1.5 m/s (5 km/h). The prevailing wind is from the SW. The clearest skies in Mazatlán come in November, when the sky is typically 29% covered; August is the cloudiest month, at 68%.
Month by month Mazatlán climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 25°C | 15°C | 25°C | 36% | 38% | 1.7 m/s | 65 | 60 | 23 |
| February | 25°C | 16°C | 26°C | 30% | 38% | 2.0 m/s | 63 | 57 | 25 |
| March | 26°C | 15°C | 25°C | 17% | 33% | 2.1 m/s | 69 | 59 | 24 |
| April | 27°C | 18°C | 28°C | 19% | 34% | 2.1 m/s | 47 | 75 | 9 |
| May | 29°C | 21°C | 31°C | 29% | 31% | 2.1 m/s | 13 | 72 | 2 |
| June | 31°C | 25°C | 34°C | 44% | 49% | 2.0 m/s | 4 | 39 | 1 |
| July | 32°C | 26°C | 36°C | 57% | 63% | 2.0 m/s | 3 | 11 | 1 |
| August | 32°C | 26°C | 36°C | 61% | 68% | 1.9 m/s | 4 | 8 | 1 |
| September | 31°C | 26°C | 36°C | 61% | 60% | 1.8 m/s | 4 | 9 | 2 |
| October | 31°C | 25°C | 35°C | 55% | 40% | 1.7 m/s | 5 | 17 | 2 |
| November | 29°C | 20°C | 31°C | 40% | 29% | 1.6 m/s | 13 | 56 | 5 |
| December | 26°C | 16°C | 27°C | 45% | 37% | 1.5 m/s | 43 | 69 | 13 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Mazatlán weather by season
Year round, Mazatlán has days of about 25°C at their warmest in January, its coolest month, and 32°C in July, its warmest; the coolest hours of the day run from 15°C to 26°C through the year, and the average temperature over the year is 25°C around the clock. Rain is most likely around August and least likely around March. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Mazatlán weather in winterDecember to February
Winter in Mazatlán has typical daily highs of about 26°C and lows of about 16°C, with a 37% chance of rain on a given day.
Mazatlán weather in springMarch to May
Spring in Mazatlán has typical daily highs of about 27°C and lows of about 18°C, with a 22% chance of rain on a given day.
Mazatlán weather in summerJune to August
Summer in Mazatlán has typical daily highs of about 31°C and lows of about 26°C, with a 54% chance of rain on a given day.
Mazatlán weather in autumnSeptember to November
Autumn in Mazatlán has typical daily highs of about 31°C and lows of about 23°C, with a 52% chance of rain on a given day.
When is the rainy season in Mazatlán?
The rainy (wet) season in Mazatlán runs from June to December, peaking in August with a 61% chance of rain on a given day. The dry season is January to May; March is the driest month, at 17%.
What time of year is Mazatlán windiest?
Winds in Mazatlán are highest in March, averaging 2.1 m/s (8 km/h), and lightest in December, at 1.5 m/s (5 km/h). The prevailing wind is from the SW.
What is the average temperature in Mazatlán year round?
The average temperature in Mazatlán over the whole year is 25°C. July is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 15°C.
Where to go instead in mid June, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.