Verdict: Good month
San Miguel de Allende Weather in August
August hits the sweet spot in San Miguel de Allende — highs around 25°C (77°F), ideal for a full day on foot. Expect showers on roughly 14 days of the month — rarely trip-ruining, worth planning around. Overall, August is a solid month to visit San Miguel de Allende.
Average high
25°C / 77°F
Average low
14°C / 57°F
Rain days
~14
Precipitation
103 mm
What to pack for San Miguel de Allende in August
- Summer clothes, plus one light layer for air-con and evenings
- Rain gear is non-negotiable — expect rain on roughly 14 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
August 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)