San Miguel de Allende Weather in May
May in San Miguel de Allende brings very high temperatures, with highs of 32°C (90°F) and nights dropping to 15°C (59°F). Expect some rainfall, with around 48 mm (1.9 in) typical for the month.
Rainfall in San Miguel de Allende in May
Historically, May sees about 6 days of rain, with a monthly average of 48 mm (1.9 in). Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.
Temperature in San Miguel de Allende in May
May in San Miguel de Allende brings typical temperatures with highs around 32°C (90°F) and lows of 15°C (59°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. Nights cool down to 15°C (59°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. Although these are the average temperatures, expect warmer days occasionally. Wear cool clothing and stay hydrated to manage the heat.
Sunshine in San Miguel de Allende in May
With approximately 260 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.For San Miguel de Allende itself, January, February, March, October, November and December generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our San Miguel de Allende's climate page.
San Miguel de Allende Temperature in May
Min Temperature
15°C (59°F)
Max Temperature
32°C (90°F)
Chance of Rain
19%
Precipitation
48 mm (1.9 in)
Rainy days
6 days
Sunshine
260 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in San Miguel de Allende typically stay consistent throughout May, with daily highs averaging around 32°C (90°F). Nights are pleasant, with lows typically ranging from 13°C (55°F) to 16°C (61°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for San Miguel de Allende in May
Browse day-by-day weather records for San Miguel de Allende spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Miguel de Allende historical weather extremes in May
Based on weather observations in San Miguel de Allende between 1986 and 2026, these are the recorded extremes during May.
- On May 10, 2003, temperatures climbed to 38°C (100°F), marking the warmest May day on record.
- San Miguel de Allende registered its coldest May night on May 16, 2014, with temperatures dropping to 6°C (43°F).
Best Places in Mexico in May
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in May →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in San Miguel de Allende in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in San Miguel de Allende in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our San Miguel de Allende's climate page.
See the full San Miguel de Allende climate overview or explore weather in Mexico.
