San Miguel de Allende in Summer
In summer (June, July and August), San Miguel de Allende sees average daytime highs around 27°C and overnight lows near 15°C, with 315 mm of rain over about 40 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 29°C in early June to 26°C by late August. The sky is clear or mostly clear about 28% of the time across summer, and the air most often feels comfortable.
Summer is San Miguel de Allende's weakest season of the year to visit on our travel score. For the whole year in context, see San Miguel de Allende's year-round climate.
- Avg daytime high
- 27°C
- 2nd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 315 mm
- 40 wet days
- Avg wind
- 8 km/h
- Travel score
- 5.9
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in San Miguel de Allende in Summer
Over the season highs ease from about 29°C in early June to 26°C by late August.
A typical summer day in San Miguel de Allende reaches about 27°C and drops to 15°C overnight. The warmest of the three months is June, the coolest July.
San Miguel de Allende weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 22° / 7° | 12 | 2.3 | 10.9 | 8.3 |
| Feb | 25° / 8° | 13 | 2 | 11.3 | 8.6 |
| Mar | 27° / 10° | 12 | 2.2 | 11.9 | 8.0 |
| Apr | 29° / 13° | 15 | 3.7 | 12.5 | 6.3 |
| May | 30° / 14° | 44 | 7.6 | 13 | 5.5 |
| Jun | 28° / 15° | 103 | 12.1 | 13.2 | 5.6 |
| Jul | 26° / 15° | 112 | 14.8 | 13.1 | 5.9 |
| Aug | 26° / 15° | 101 | 12.6 | 12.7 | 6.2 |
| Sep | 25° / 14° | 100 | 12.2 | 12.1 | 6.3 |
| Oct | 25° / 12° | 37 | 6.4 | 11.5 | 7.5 |
| Nov | 24° / 10° | 12 | 2.3 | 11 | 8.6 |
| Dec | 23° / 8° | 4 | 1 | 10.8 | 8.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 28% of the time across summer.
Chance of precipitation in Summer
San Miguel de Allende gets around 315 mm of rain over 40 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 12 min in early June to 12 h 24 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.5 kWh/m².
Hazard calendar for San Miguel de Allende
In summer, San Miguel de Allende overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
San Miguel de Allende's rainy season runs June–September, when most of the year's rain falls.
Is summer a good time to visit San Miguel de Allende?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit San Miguel de Allende for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for San Miguel de Allende in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, San Miguel de Allende sees daytime highs around 27°C and nights near 15°C. Pack light clothes, rain gear and sun protection. About 40 days see rain.
UV index in San Miguel de Allende in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in San Miguel de Allende peaks around June 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 10 | 13 | 13 | 13 | 14 | 12 | 13 | 11 | 11 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 14 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 11 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | Very high |
Where is San Miguel de Allende?
San Miguel de Allende sits at 20.9°N, 100.7°W, 1,917 m above sea level, in Mexico. The nearest listed city is Comonfort, 22 km away.
Topography around San Miguel de Allende
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Miguel de Allende.
Within 3 km, the terrain around San Miguel de Allende has significant variations in elevation — a maximum elevation change of 296 m around an average of 1,958 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 997 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,147 m.
The land around San Miguel de Allende is covered by artificial surfaces (42%) and shrubs (35%) within 3 km, shrubs (54%) and cropland (21%) within 16 km, and shrubs (47%) and cropland (28%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for San Miguel de Allende (20.9153°, -100.7439°, elevation 1,917 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.