Metapán in Summer
In summer (June, July and August), Metapán sees average daytime highs around 31°C and overnight lows near 21°C, with 275 mm of rain over about 50 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
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 muggy.
Summer is Metapán's weakest season of the year to visit on our travel score. For the whole year in context, see Metapán's year-round climate.
- Avg daytime high
- 31°C
- 2nd-warmest season
- Avg overnight low
- 21°C
- Rainfall
- 275 mm
- 50 wet days
- Avg wind
- 6 km/h
- Travel score
- 3.6
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Metapán in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in Metapán reaches about 31°C and drops to 21°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Metapán
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.
Metapán 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 | 30° / 18° | 0 | 0.1 | 11.2 | 6.9 |
| Feb | 31° / 19° | 0 | 0.1 | 11.5 | 5.9 |
| Mar | 32° / 20° | 2 | 0.6 | 11.9 | 4.9 |
| Apr | 33° / 21° | 17 | 4.1 | 12.3 | 3.9 |
| May | 32° / 22° | 90 | 14.6 | 12.7 | 3.4 |
| Jun | 31° / 21° | 112 | 18.7 | 12.8 | 3.5 |
| Jul | 31° / 21° | 77 | 14.4 | 12.8 | 3.8 |
| Aug | 31° / 21° | 87 | 16.9 | 12.5 | 3.5 |
| Sep | 31° / 21° | 152 | 20.5 | 12.1 | 3.4 |
| Oct | 30° / 21° | 122 | 15.4 | 11.7 | 4.4 |
| Nov | 29° / 20° | 22 | 3.5 | 11.3 | 6.2 |
| Dec | 30° / 19° | 3 | 0.6 | 11.2 | 6.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 10% of the time across summer.
Chance of precipitation in Summer
Metapán gets around 275 mm of rain over 50 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 6 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 5.5 kWh/m².
Hazard calendar for Metapán
In summer, Metapán overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Metapán's rainy season runs May–October, when most of the year's rain falls.
Is summer a good time to visit Metapán?
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 Metapán.
What to pack for Metapán in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Metapán sees daytime highs around 31°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 50 days see rain.
UV index in Metapán 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 Metapán peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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) | 10 | 13 | 14 | 14 | 12 | 13 | 13 | 13 | 13 | 12 | 9 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 13 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Metapán 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 Metapán is worst in April — around 33 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 16 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) | 16 | 18 | 21 | 33 | 31 | 21 | 23 | 20 | 19 | 18 | 16 | 16 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 18 | Moderate |
| Mar | 21 | Moderate |
| Apr | 33 | Moderate |
| May | 31 | Moderate |
| Jun | 21 | Moderate |
| Jul | 23 | Moderate |
| Aug | 20 | Moderate |
| Sep | 19 | Moderate |
| Oct | 18 | Moderate |
| Nov | 16 | Moderate |
| Dec | 16 | Moderate |
Where is Metapán?
Metapán sits at 14.3°N, 89.5°W, 471 m above sea level, in El Salvador. The nearest listed city is Esquipulas, 28 km away.
Topography around Metapán
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Metapán.
Within 3 km, the terrain around Metapán has only modest variations in elevation — a maximum elevation change of 230 m around an average of 520 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,059 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,620 m.
The land around Metapán is covered by grassland (46%) and trees (32%) within 3 km, trees (46%) and grassland (31%) within 16 km, and trees (62%) and grassland (24%) 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 Metapán (14.3333°, -89.45°, elevation 471 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.