Mesa, Arizona weather in May

Averages from 2021–2025 (155 days of record).

Average high: 94°F
Average low: 68°F
Rainy days: ~0 per month
Total precipitation: 0.0 in
Warmest recorded: 105°F
Coldest recorded: 55°F

Expect May days in Mesa, Arizona to top out around 94°F and cool to about 68°F overnight, with roughly 0 days of measurable rain across the month. In recent years May has ranged from 55°F to 105°F.

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Current Mesa, Arizona forecast → · Historical data by Open-Meteo (ERA5).