Verdict: Excellent month
San Miguel de Allende Weather in May
May runs warm in San Miguel de Allende, with daily highs around 30°C (86°F) and nights near 15°C (59°F). Rain is occasional — about 6 wet days in a typical year. Overall, May is one of the best months of the year to be in San Miguel de Allende.
Average high
30°C / 86°F
Average low
15°C / 59°F
Rain days
~6
Precipitation
25 mm
What to pack for San Miguel de Allende in May
- Light, breathable clothing — linen and technical fabrics earn their keep
- High-SPF sunscreen, sunglasses, and a refillable water bottle
- Comfortable walking shoes — every guide on this site assumes you'll use them
May against the rest of the year
Warmest in San Miguel de Allende: Apr (30°C / 86°F) · Coolest: Jan (22°C / 72°F) · Wettest: Jul (~17 rain days)
22°
8°
Jan
25°
8°
Feb
28°
11°
Mar
30°
14°
Apr
30°
15°
May
28°
14°
Jun
26°
14°
Jul
25°
14°
Aug
25°
13°
Sep
25°
11°
Oct
24°
10°
Nov
22°
8°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)