Climate almanac
Tucson
Arizona, United States · 32.22°, -110.93°
What is the climate like in Tucson?
The best time to visit Tucson is typically August – June, with trip comfort peaking in May (9.0/10). Tucson is warmest in June, when daily highs average 100°F (38°C), and coolest in January, when lows fall to about 41°F (5°C). The wettest month is typically July and the driest is May; the year sees roughly 9.7 in (247 mm) of precipitation.
- Best time to visitAugust – June — comfort peaks in May (9.0/10)
- Warmest monthJune — average high 100°F (38°C)
- Coolest monthJanuary — average low 41°F (5°C)
- Wettest monthJuly (1.6 in (42 mm))
- Driest monthMay (0.1 in (3 mm))
- Annual precipitation9.7 in (247 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromDavis Monthan AFB, 7 km away (1949-2026)