Zapotlanejo in Summer
In summer (June, July and August), Zapotlanejo sees average daytime highs around 27°C and overnight lows near 18°C, with 454 mm of rain over about 68 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 30°C in early June to 26°C by late August. The sky is clear or mostly clear about 17% of the time across summer, and the air most often feels humid.
Summer is Zapotlanejo's weakest season of the year to visit on our travel score. For the whole year in context, see Zapotlanejo's year-round climate.
- Avg daytime high
- 27°C
- 2nd-warmest season
- Avg overnight low
- 18°C
- Rainfall
- 454 mm
- 68 wet days
- Avg wind
- 5 km/h
- Travel score
- 4.5
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Zapotlanejo in Summer
Over the season highs ease from about 30°C in early June to 26°C by late August.
A typical summer day in Zapotlanejo reaches about 27°C and drops to 18°C overnight. The warmest of the three months is June, the coolest August.
Zapotlanejo 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° / 11° | 16 | 1.9 | 10.9 | 8.4 |
| Feb | 25° / 13° | 11 | 1.6 | 11.3 | 8.7 |
| Mar | 27° / 14° | 7 | 1 | 11.9 | 8.4 |
| Apr | 29° / 16° | 4 | 1.1 | 12.5 | 6.9 |
| May | 30° / 18° | 20 | 4.6 | 13 | 5.8 |
| Jun | 29° / 19° | 123 | 18.7 | 13.2 | 4.6 |
| Jul | 26° / 18° | 176 | 25.3 | 13.1 | 4.3 |
| Aug | 26° / 18° | 155 | 23.9 | 12.7 | 4.5 |
| Sep | 26° / 17° | 137 | 19.7 | 12.1 | 5.1 |
| Oct | 26° / 16° | 45 | 8.3 | 11.5 | 7.1 |
| Nov | 25° / 14° | 12 | 2.2 | 11 | 8.7 |
| Dec | 23° / 12° | 5 | 1.2 | 10.8 | 8.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 17% of the time across summer.
Chance of precipitation in Summer
Zapotlanejo gets around 454 mm of rain over 68 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 5 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 6.0 kWh/m².
Hazard calendar for Zapotlanejo
In summer, Zapotlanejo overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Zapotlanejo's rainy season runs June–September, when most of the year's rain falls.
Is summer a good time to visit Zapotlanejo?
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 Zapotlanejo for sightseeing.
What to pack for Zapotlanejo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Zapotlanejo sees daytime highs around 27°C and nights near 18°C. Pack light clothes, rain gear and sun protection. About 68 days see rain.
UV index in Zapotlanejo 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 Zapotlanejo peaks around May 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (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 | 13 | 13 | 13 | 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 | 10 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Zapotlanejo 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 Zapotlanejo is worst in May — around 32 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 15 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) | 22 | 20 | 21 | 31 | 32 | 17 | 15 | 16 | 18 | 18 | 20 | 25 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 22 | Moderate |
| Feb | 20 | Moderate |
| Mar | 21 | Moderate |
| Apr | 31 | Moderate |
| May | 32 | Moderate |
| Jun | 17 | Moderate |
| Jul | 15 | Moderate |
| Aug | 16 | Moderate |
| Sep | 18 | Moderate |
| Oct | 18 | Moderate |
| Nov | 20 | Moderate |
| Dec | 25 | Moderate |
Where is Zapotlanejo?
Zapotlanejo sits at 20.6°N, 103.1°W, 1,524 m above sea level, in Mexico. The nearest listed city is Coyula, 17 km away.
Topography around Zapotlanejo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Zapotlanejo.
Within 3 km, the terrain around Zapotlanejo has significant variations in elevation — a maximum elevation change of 310 m around an average of 1,541 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,209 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,328 m.
The land around Zapotlanejo is covered by cropland (40%), grassland (26%) and artificial surfaces (22%) within 3 km, cropland (37%), grassland (26%) and trees (22%) within 16 km, and cropland (27%), trees (25%) and grassland (20%) 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 Zapotlanejo (20.6227°, -103.0681°, elevation 1,524 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.