Hermosillo

What is the climate like in Hermosillo?

The best time to visit Hermosillo is typically October – June, with trip comfort peaking in May (9.3/10). Hermosillo is warmest in June, when daily highs average 103°F (40°C), and coolest in January, when lows fall to about 47°F (9°C). The wettest month is typically August and the driest is May; the year sees roughly 8.1 in (205 mm) of precipitation.

• Best time to visitOctober – June — comfort peaks in May (9.3/10)
• Warmest monthJune — average high 103°F (40°C)
• Coolest monthJanuary — average low 47°F (9°C)
• Wettest monthAugust (2.1 in (53 mm))
• Driest monthMay (0.0 in (0 mm))
• Annual precipitation8.1 in (205 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromGeneral Ignacio P Garcia Intl, 8 km away (1949-2025)