Monthly climate guide
San Miguel de Allende weather in May
May in San Miguel de Allende is typically hot, with average daytime highs around 30°C (86°F) and night-time lows near 13°C (56°F). The month usually brings about 35 mm of rain (fairly dry) and is a mix of sun and cloud. Daytime highs are about the same as April and 3°C warmer than June.
What stands out in May
- Expect a big gap between day and night — about 17°C.
- San Miguel de Allende is usually about 2°C cooler than Irapuato, 70 km away, in May.
- Sun, warmth (about 30°C) and dry days make May a good pick for the beach.
May is typically San Miguel de Allende's warmest month.
Avg high
30°C
86°F
Avg low
13°C
56°F
Rainfall
35 mm
fairly dry
Humidity
49%
relative
Sky
43%
cloud · a mix of sun and cloud
San Miguel de Allende weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 21°C / 70°F | 5°C / 42°F | 5 mm | 58% | 37% |
| February | 24°C / 76°F | 7°C / 45°F | 11 mm | 54% | 32% |
| March | 27°C / 80°F | 9°C / 48°F | 20 mm | 49% | 30% |
| April | 29°C / 85°F | 12°C / 53°F | 9 mm | 40% | 35% |
| May | 30°C / 86°F | 13°C / 56°F | 35 mm | 49% | 43% |
| June | 27°C / 81°F | 14°C / 56°F | 108 mm | 64% | 59% |
| July | 26°C / 78°F | 13°C / 56°F | 116 mm | 71% | 66% |
| August | 26°C / 79°F | 13°C / 56°F | 99 mm | 72% | 59% |
| September | 25°C / 77°F | 13°C / 55°F | 100 mm | 75% | 61% |
| October | 24°C / 76°F | 11°C / 51°F | 41 mm | 71% | 44% |
| November | 23°C / 73°F | 8°C / 47°F | 18 mm | 70% | 37% |
| December | 22°C / 71°F | 7°C / 44°F | 6 mm | 63% | 36% |
What to pack for May
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
Is May a good time to visit San Miguel de Allende?
Compare the months in the chart above to find your ideal window.
Best time to visit San Miguel de Allende →Other Mexico cities in May
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San Miguel de Allende weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/mexico/san-miguel-de-allende/may
<a href="https://weathercompare.eu/weather/mexico/san-miguel-de-allende/may">San Miguel de Allende weather in May</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/mexico/san-miguel-de-allende" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="San Miguel de Allende weather in May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/mexico/san-miguel-de-allende/may">San Miguel de Allende weather in May</a> – WeatherCompare</p>
San Miguel de Allende in May: quick answers
Is May a good time to visit San Miguel de Allende?
May is a reasonable time for San Miguel de Allende: highs around 30°C and about 35 mm of rain, though not one of the three best months.
How warm is San Miguel de Allende in May?
Average highs are about 30°C (86°F) and average lows about 13°C (56°F), based on 10 years of daily data.
Does it rain a lot in San Miguel de Allende in May?
San Miguel de Allende typically gets around 35 mm of rain in May — fairly dry.
Figures are long-term averages for the area around San Miguel de Allende (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.