Climate almanac
Altar
Sonora, Mexico · 30.72°, -111.84°
What is the climate like in Altar?
The best time to visit Altar is typically September – June, with trip comfort peaking in October (9.2/10). Altar is warmest in July, when daily highs average 103°F (39°C), and coolest in January, when lows fall to about 44°F (7°C). The wettest month is typically August and the driest is May; the year sees roughly 8.4 in (212 mm) of precipitation.
- Best time to visitSeptember – June — comfort peaks in October (9.2/10)
- Warmest monthJuly — average high 103°F (39°C)
- Coolest monthJanuary — average low 44°F (7°C)
- Wettest monthAugust (1.9 in (49 mm))
- Driest monthMay (0.1 in (1 mm))
- Annual precipitation8.4 in (212 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromAltar (obs), 0 km away (1949-2025)