Sayula in Summer
In summer (June, July and August), Sayula sees average daytime highs around 26°C and overnight lows near 16°C, with 437 mm of rain over about 66 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 25°C by late August. The sky is clear or mostly clear about 10% of the time across summer, and the air most often feels humid.
Summer is Sayula's weakest season of the year to visit on our travel score. For the whole year in context, see Sayula's year-round climate.
- Avg daytime high
- 26°C
- 2nd-warmest season
- Avg overnight low
- 16°C
- Rainfall
- 437 mm
- 66 wet days
- Avg wind
- 4 km/h
- Travel score
- 4.6
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Sayula in Summer
Over the season highs ease from about 29°C in early June to 25°C by late August.
A typical summer day in Sayula reaches about 26°C and drops to 16°C overnight. The warmest of the three months is June, the coolest July.
Sayula 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 | 23° / 8° | 27 | 2.7 | 10.9 | 8.4 |
| Feb | 25° / 9° | 18 | 2.5 | 11.3 | 8.4 |
| Mar | 27° / 10° | 14 | 2.1 | 11.9 | 8.0 |
| Apr | 30° / 12° | 7 | 2 | 12.4 | 6.5 |
| May | 30° / 14° | 34 | 6.7 | 12.9 | 5.5 |
| Jun | 28° / 16° | 130 | 18.3 | 13.2 | 4.8 |
| Jul | 26° / 15° | 162 | 23.7 | 13.1 | 4.5 |
| Aug | 26° / 15° | 145 | 23.5 | 12.7 | 4.6 |
| Sep | 25° / 15° | 135 | 20 | 12.1 | 5.0 |
| Oct | 26° / 14° | 65 | 10.7 | 11.5 | 6.6 |
| Nov | 25° / 11° | 24 | 4 | 11.1 | 8.2 |
| Dec | 24° / 9° | 12 | 2.1 | 10.8 | 8.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 10% of the time across summer.
Chance of precipitation in Summer
Sayula gets around 437 mm of rain over 66 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 4 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 06 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 5.4 kWh/m².
Hazard calendar for Sayula
In summer, Sayula overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Sayula's rainy season runs June–September, when most of the year's rain falls.
Is summer a good time to visit Sayula?
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 Sayula for sightseeing.
What to pack for Sayula in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Sayula sees daytime highs around 26°C and nights near 16°C. Pack light clothes and rain gear. Worth having: sun protection. About 66 days see rain.
UV index in Sayula 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 Sayula peaks around May 12 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 | 11 | 13 | 14 | 14 | 12 | 12 | 12 | 12 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 14 | Extreme |
| May | 14 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Sayula 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 Sayula is worst in May — around 44 µg/m³ PM2.5 (poor), about 3.2× the cleanest month (July, 14 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 20 | 18 | 20 | 33 | 44 | 17 | 14 | 15 | 17 | 17 | 18 | 21 |
| Level | Moderate | Moderate | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 18 | Moderate |
| Mar | 20 | Moderate |
| Apr | 33 | Moderate |
| May | 44 | Poor |
| Jun | 17 | Moderate |
| Jul | 14 | Moderate |
| Aug | 15 | Moderate |
| Sep | 17 | Moderate |
| Oct | 17 | Moderate |
| Nov | 18 | Moderate |
| Dec | 21 | Moderate |
Where is Sayula?
Sayula sits at 19.9°N, 103.6°W, 1,351 m above sea level, in Mexico. The nearest listed city is Ciudad Guzmán, 25 km away.
Topography around Sayula
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sayula.
Within 3 km, the terrain around Sayula has significant variations in elevation — a maximum elevation change of 504 m around an average of 1,403 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,349 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,910 m.
The land around Sayula is covered by cropland (26%), grassland (23%) and trees (21%) within 3 km, trees (42%) and grassland (25%) within 16 km, and trees (53%) 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 Sayula (19.8837°, -103.6007°, elevation 1,351 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.