Saltillo in Summer
In summer (June, July and August), Saltillo sees average daytime highs around 27°C and overnight lows near 17°C, with 250 mm of rain over about 44 wet days across the season. It is the warmest season of the year 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 43% of the time across summer, and the air most often feels comfortable.
Summer is Saltillo's weakest season of the year to visit on our travel score. For the whole year in context, see Saltillo's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 17°C
- Rainfall
- 250 mm
- 44 wet days
- Avg wind
- 8 km/h
- Travel score
- 5.8
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Saltillo 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 Saltillo reaches about 27°C and drops to 17°C overnight. The warmest of the three months is June, the coolest August.
Saltillo 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 | 18° / 6° | 21 | 3.6 | 10.6 | 7.0 |
| Feb | 20° / 8° | 18 | 3.3 | 11.1 | 7.7 |
| Mar | 23° / 10° | 26 | 4.7 | 11.8 | 8.1 |
| Apr | 26° / 13° | 26 | 5.9 | 12.6 | 7.6 |
| May | 28° / 16° | 39 | 10.1 | 13.2 | 6.4 |
| Jun | 28° / 17° | 61 | 11 | 13.6 | 6.0 |
| Jul | 27° / 17° | 103 | 17 | 13.4 | 5.6 |
| Aug | 27° / 16° | 86 | 15.8 | 12.9 | 5.8 |
| Sep | 25° / 15° | 103 | 14.6 | 12.2 | 6.3 |
| Oct | 23° / 13° | 39 | 6.9 | 11.4 | 7.8 |
| Nov | 21° / 9° | 20 | 3.4 | 10.8 | 7.9 |
| Dec | 19° / 7° | 18 | 3 | 10.4 | 7.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 43% of the time across summer.
Chance of precipitation in Summer
Saltillo gets around 250 mm of rain over 44 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 30 min in early June to 12 h 30 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 6.9 kWh/m².
Hazard calendar for Saltillo
In summer, Saltillo overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Saltillo's rainy season runs June–September, when most of the year's rain falls.
Is summer a good time to visit Saltillo?
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 Saltillo for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Saltillo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Saltillo sees daytime highs around 27°C and nights near 17°C. Pack light clothes, rain gear and sun protection. About 44 days see rain.
UV index in Saltillo in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Saltillo peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 5 (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) | 6 | 9 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 9 | 6 | 5 |
| Level | High | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 9 | Very high |
| Mar | 10 | Very high |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 9 | Very high |
| Nov | 6 | High |
| Dec | 5 | High |
Air quality in Saltillo in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Saltillo is worst in July — around 26 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (February, 16 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Saltillo's WHO annual average of 21 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 17 | 16 | 18 | 19 | 26 | 24 | 26 | 24 | 24 | 20 | 20 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 16 | Moderate |
| Mar | 18 | Moderate |
| Apr | 19 | Moderate |
| May | 26 | Moderate |
| Jun | 24 | Moderate |
| Jul | 26 | Moderate |
| Aug | 24 | Moderate |
| Sep | 24 | Moderate |
| Oct | 20 | Moderate |
| Nov | 20 | Moderate |
| Dec | 18 | Moderate |
Where is Saltillo?
Saltillo sits at 25.4°N, 101.0°W, 1,578 m above sea level, in Mexico. The nearest listed city is Ramos Arizpe, 13 km away.
Topography around Saltillo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saltillo.
Within 3 km, the terrain around Saltillo has only modest variations in elevation — a maximum elevation change of 203 m around an average of 1,587 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,782 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,242 m.
The land around Saltillo is covered by artificial surfaces (86%) within 3 km, shrubs (56%) and artificial surfaces (20%) within 16 km, and shrubs (69%) 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 Saltillo (25.426°, -100.9796°, elevation 1,578 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.