San Miguel de Allende Climate by Month
San Miguel de Allende, Guanajuato, Mexico
Hot days and cool nights all year, with a rainy season from June to September.
The climate in San Miguel de Allende is one of hot days and cool nights all year, with a rainy season from June to September. Expect highs of 86°F (30°C) in May and 71°F (22°C) in January, with the coldest nights (January) near 39°F (4°C). Of the 24 in (604 mm) of rain in a typical year, 78% falls from June to September. February, March and December are almost completely dry.
- Warmest month
- 86°F(30°C)
- Average high, May
- Coldest nights
- 39°F(4°C)
- Average low, January
- Rain per year
- 24 in(604 mm)
- Wettest: July
- Humidity
- 57%
- Sunniest: April
Best and worst months in San Miguel de Allende
Best for weatherThe most comfortable weather comes in February, October and November, with highs around 75°F (24°C) and about 0.7 in (19 mm) of rain a month.
Least pleasantMay and June are the least pleasant; June is the wettest, with 4.4 in (112 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in February.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
San Miguel de Allende weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 71°F(22°C) | 39°F(4°C) | 0.5 in(13 mm) | 54% | 4.3 |
| FebFebruaryBest | 75°F(24°C) | 43°F(6°C) | 0.4 in(9 mm) | 53% | 5.2 |
| MarMarch | 80°F(26°C) | 47°F(8°C) | 0.3 in(8 mm) | 46% | 5.7 |
| AprApril | 84°F(29°C) | 51°F(11°C) | 0.4 in(10 mm) | 39% | 6.0 |
| MayMay | 86°F(30°C) | 55°F(13°C) | 1.5 in(37 mm) | 43% | 6.0 |
| JunJune | 82°F(28°C) | 56°F(13°C) | 4.4 in(112 mm) | 58% | 5.6 |
| JulJuly | 79°F(26°C) | 55°F(13°C) | 5.2 in(132 mm) | 66% | 5.6 |
| AugAugust | 79°F(26°C) | 55°F(13°C) | 4.6 in(118 mm) | 66% | 5.6 |
| SepSeptember | 77°F(25°C) | 54°F(12°C) | 4.4 in(112 mm) | 70% | 4.9 |
| OctOctoberBest | 76°F(24°C) | 50°F(10°C) | 1.5 in(38 mm) | 67% | 4.8 |
| NovNovemberBest | 74°F(23°C) | 44°F(7°C) | 0.4 in(10 mm) | 59% | 4.4 |
| DecDecember | 72°F(22°C) | 40°F(5°C) | 0.2 in(5 mm) | 59% | 4.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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