Amatitlán in Summer
In summer (June, July and August), Amatitlán sees average daytime highs around 25°C and overnight lows near 16°C, with 689 mm of rain over about 65 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 25°C. The sky is clear or mostly clear about 5% of the time across summer, and the air most often feels humid.
Summer is Amatitlán's weakest season of the year to visit on our travel score. For the whole year in context, see Amatitlán's year-round climate.
- Avg daytime high
- 25°C
- 3rd-warmest season
- Avg overnight low
- 16°C
- Rainfall
- 689 mm
- 65 wet days
- Avg wind
- 5 km/h
- Travel score
- 4.7
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Amatitlán in Summer
Across summer, daytime highs hold fairly steady around 25°C.
A typical summer day in Amatitlán reaches about 25°C and drops to 16°C overnight. The warmest of the three months is July, the coolest July.
Amatitlán 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 | 25° / 13° | 7 | 2.6 | 11.2 | 8.6 |
| Feb | 26° / 14° | 11 | 3.3 | 11.5 | 8.1 |
| Mar | 26° / 14° | 33 | 8.9 | 11.9 | 7.1 |
| Apr | 26° / 15° | 86 | 17 | 12.3 | 5.6 |
| May | 25° / 16° | 241 | 26.2 | 12.7 | 4.2 |
| Jun | 25° / 16° | 304 | 25.7 | 12.8 | 4.1 |
| Jul | 25° / 16° | 162 | 17.8 | 12.8 | 5.3 |
| Aug | 25° / 16° | 223 | 21.7 | 12.5 | 4.8 |
| Sep | 24° / 16° | 321 | 26.9 | 12.1 | 4.0 |
| Oct | 24° / 16° | 229 | 20.9 | 11.7 | 5.1 |
| Nov | 24° / 14° | 48 | 8.1 | 11.3 | 7.3 |
| Dec | 25° / 14° | 10 | 2.7 | 11.2 | 8.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 5% of the time across summer.
Chance of precipitation in Summer
Amatitlán gets around 689 mm of rain over 65 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 12 h 48 min in early June to 12 h 18 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 Amatitlán
In summer, Amatitlán overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Amatitlán's monsoon runs May–October, when most of the year's rain falls.
Is summer a good time to visit Amatitlán?
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 Amatitlán for sightseeing.
What to pack for Amatitlán in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Amatitlán sees daytime highs around 25°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 65 days see rain.
Sea temperature near Amatitlán in Summer
The nearest coast averages about 30°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 67 km away) is warmest in August at about 30°C and coldest in January near 28°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Amatitlán 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 Amatitlán peaks around April 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 8 (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) | 9 | 13 | 12 | 13 | 12 | 12 | 12 | 12 | 10 | 11 | 8 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 13 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 10 | Extreme |
| Oct | 11 | Extreme |
| Nov | 8 | Very high |
| Dec | 9 | Very high |
Air quality in Amatitlán 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 Amatitlán is worst in April — around 47 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 33 | 34 | 37 | 47 | 44 | 31 | 30 | 30 | 33 | 37 | 40 | 37 |
| Level | Moderate | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 33 | Moderate |
| Feb | 34 | Moderate |
| Mar | 37 | Poor |
| Apr | 47 | Poor |
| May | 44 | Poor |
| Jun | 31 | Moderate |
| Jul | 30 | Moderate |
| Aug | 30 | Moderate |
| Sep | 33 | Moderate |
| Oct | 37 | Poor |
| Nov | 40 | Poor |
| Dec | 37 | Poor |
Where is Amatitlán?
Amatitlán sits at 14.5°N, 90.6°W, 1,219 m above sea level, in Guatemala. The nearest listed city is Villa Nueva, 8.0 km away.
Topography around Amatitlán
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Amatitlán.
Within 3 km, the terrain around Amatitlán has large variations in elevation — a maximum elevation change of 720 m around an average of 1,328 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,293 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,937 m.
The land around Amatitlán is covered by trees (34%), artificial surfaces (29%) and grassland (20%) within 3 km, trees (63%) within 16 km, and trees (57%) within 80 km.
Guatemala travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 43% of US
- price level, 2025
- GDP per capita
- $6,598
- 2025
- Happiness
- 6.5 / 10
- World Happiness, 2025
- Safe drinking water
- 49%
- of population, 2024
- Homicide rate
- 23.4
- per 100k, 2023
- Road deaths
- 22.9
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 510
- 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 Amatitlán (14.4774°, -90.6349°, elevation 1,219 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.