Sinaloa is one of several regions in Mexico, with temperatures that range from 25°C (77°F) in January to 32°C (90°F) during the peak of August. We've based our full climate overview on data from Mazatlán, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
Sinaloa offers pleasant conditions in January, February, March and December, with temperatures typically ranging from 26°C (79°F) to 27°C (81°F).
July, August and September are generally the hottest months of the year.
Precipitation in Sinaloa varies considerably throughout the year. The wettest conditions occur in September with 224 mm (8.8 in) of rain, while April stays relatively dry with 0 mm (0 in). The region experiences its rainy season during August and September, when monthly rainfall can range from 202 mm (8 in) to 224 mm (8.8 in). Rainfall in January, February, March, April, May and December is at its lowest, remaining under 17 mm (0.7 in).
For those seeking sunshine, May usually has the brightest skies, making it an excellent time for exploring the region.
