Ilopango in Summer
In summer (June, July and August), Ilopango sees average daytime highs around 31°C and overnight lows near 22°C, with 656 mm of rain over about 70 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 31°C. The sky is clear or mostly clear about 10% of the time across summer, and the air most often feels oppressive.
Summer is Ilopango's weakest season of the year to visit on our travel score. For the whole year in context, see Ilopango's year-round climate.
- Avg daytime high
- 31°C
- 3rd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 656 mm
- 70 wet days
- Avg wind
- 4 km/h
- Travel score
- 2.9
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Ilopango in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in Ilopango reaches about 31°C and drops to 22°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Ilopango
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Ilopango 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 | 32° / 20° | 3 | 0.7 | 11.3 | 5.1 |
| Feb | 33° / 20° | 3 | 0.9 | 11.5 | 4.5 |
| Mar | 34° / 21° | 13 | 4 | 11.9 | 3.9 |
| Apr | 33° / 22° | 56 | 12.2 | 12.3 | 3.3 |
| May | 32° / 22° | 239 | 25.3 | 12.6 | 2.7 |
| Jun | 31° / 22° | 260 | 25.5 | 12.8 | 2.8 |
| Jul | 32° / 22° | 173 | 20.4 | 12.7 | 3.1 |
| Aug | 31° / 22° | 223 | 24.2 | 12.5 | 2.9 |
| Sep | 30° / 22° | 294 | 27.6 | 12.1 | 2.8 |
| Oct | 30° / 21° | 235 | 23.7 | 11.7 | 3.4 |
| Nov | 31° / 20° | 49 | 8.8 | 11.4 | 4.9 |
| Dec | 32° / 20° | 8 | 1.7 | 11.2 | 5.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 10% of the time across summer.
Chance of precipitation in Summer
Ilopango gets around 656 mm of rain over 70 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — 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 12 h 42 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 5.7 kWh/m².
Hazard calendar for Ilopango
In summer, Ilopango overlaps its atlantic hurricane and monsoon season. The full year is below, with each hazard's peak months called out.
Ilopango sits in the Atlantic hurricane belt; the season peaks August–October.
Ilopango's monsoon runs May–October, when most of the year's rain falls.
Is summer a good time to visit Ilopango?
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 weaker month for outdoor sightseeing in Ilopango.
What to pack for Ilopango in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Ilopango sees daytime highs around 31°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 70 days see rain.
Sea temperature near Ilopango 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 36 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 | 29 | 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 | 29 | 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 Ilopango 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 Ilopango peaks around March 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (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 | 13 | 13 | 12 | 13 | 12 | 12 | 11 | 11 | 9 | 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 | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Ilopango 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 Ilopango is worst in April — around 43 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (September, 26 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) | 34 | 35 | 35 | 43 | 40 | 27 | 30 | 27 | 26 | 29 | 35 | 36 |
| Level | Moderate | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 34 | Moderate |
| Feb | 35 | Moderate |
| Mar | 35 | Poor |
| Apr | 43 | Poor |
| May | 40 | Poor |
| Jun | 27 | Moderate |
| Jul | 30 | Moderate |
| Aug | 27 | Moderate |
| Sep | 26 | Moderate |
| Oct | 29 | Moderate |
| Nov | 35 | Moderate |
| Dec | 36 | Poor |
Where is Ilopango?
Ilopango sits at 13.7°N, 89.1°W, 620 m above sea level, in El Salvador. The nearest listed city is Soyapango, 3.0 km away.
Topography around Ilopango
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ilopango.
Within 3 km, the terrain around Ilopango has significant variations in elevation — a maximum elevation change of 282 m around an average of 584 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,449 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,703 m.
The land around Ilopango is covered by trees (39%) and artificial surfaces (38%) within 3 km, trees (66%) within 16 km, and trees (48%), water (22%) and grassland (21%) within 80 km.
El Salvador travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 115 V · 60 Hz
- Prices
- ≈ 41% of US
- price level, 2025
- GDP per capita
- $5,767
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Homicide rate
- 7.9
- per 100k, 2022
- Road deaths
- 20.9
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 523
- 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 Ilopango (13.7017°, -89.1094°, elevation 620 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.