El Retén in Summer
In summer (June, July and August), El Retén sees average daytime highs around 34°C and overnight lows near 25°C, with 200 mm of rain over about 34 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 34°C. The sky is clear or mostly clear about 3% of the time across summer, and the air most often feels oppressive.
Summer is El Retén's 3rd-best season to visit on our travel score. For the whole year in context, see El Retén's year-round climate.
- Avg daytime high
- 34°C
- 3rd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 200 mm
- 34 wet days
- Avg wind
- 5 km/h
- Travel score
- 2.6
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in El Retén in Summer
Across summer, daytime highs hold fairly steady around 34°C.
A typical summer day in El Retén reaches about 34°C and drops to 25°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in El Retén
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.
El Retén 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 | 35° / 23° | 7 | 1.5 | 11.4 | 3.4 |
| Feb | 36° / 24° | 7 | 1.6 | 11.6 | 2.6 |
| Mar | 36° / 25° | 22 | 4.8 | 11.9 | 2.3 |
| Apr | 35° / 25° | 73 | 13.8 | 12.2 | 2.2 |
| May | 34° / 25° | 160 | 19.9 | 12.5 | 2.3 |
| Jun | 33° / 25° | 81 | 13.8 | 12.6 | 2.7 |
| Jul | 35° / 25° | 50 | 8.3 | 12.6 | 2.6 |
| Aug | 35° / 25° | 69 | 12 | 12.3 | 2.4 |
| Sep | 33° / 24° | 131 | 19 | 12.1 | 2.5 |
| Oct | 32° / 24° | 242 | 22.7 | 11.8 | 2.7 |
| Nov | 32° / 23° | 172 | 17.1 | 11.5 | 3.3 |
| Dec | 33° / 23° | 34 | 5.8 | 11.4 | 3.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 3% of the time across summer.
Chance of precipitation in Summer
El Retén gets around 200 mm of rain over 34 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 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 36 min in early June to 12 h 12 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 5.1 kWh/m².
Hazard calendar for El Retén
None of El Retén's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
El Retén's rainy season runs September–November, when most of the year's rain falls.
Is summer a good time to visit El Retén?
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 El Retén.
What to pack for El Retén in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, El Retén sees daytime highs around 34°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 34 days see rain.
Sea temperature near El Retén in Summer
The nearest coast averages about 28°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 32 km away) is warmest in September at about 29°C and coldest in February near 26°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) | 26 | 26 | 26 | 27 | 28 | 29 | 28 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 26 | Warm |
| Mar | 26 | Warm |
| Apr | 27 | Warm |
| May | 28 | Warm |
| Jun | 29 | Tropical |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in El Retén 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 El Retén peaks around June 15 at about 13 (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) | 11 | 13 | 12 | 12 | 12 | 13 | 11 | 12 | 12 | 11 | 10 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 13 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 13 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 10 | Very high |
| Dec | 9 | Very high |
Air quality in El Retén 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 El Retén is worst in March — around 51 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (December, 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) | 15 | 26 | 51 | 29 | 25 | 24 | 24 | 20 | 17 | 16 | 14 | 14 |
| Level | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 26 | Moderate |
| Mar | 51 | Poor |
| Apr | 29 | Moderate |
| May | 25 | Moderate |
| Jun | 24 | Moderate |
| Jul | 24 | Moderate |
| Aug | 20 | Moderate |
| Sep | 17 | Moderate |
| Oct | 16 | Moderate |
| Nov | 14 | Moderate |
| Dec | 14 | Moderate |
Where is El Retén?
El Retén sits at 10.6°N, 74.3°W, 24 m above sea level, in Colombia. The nearest listed city is Aracataca, 9.0 km away.
Topography around El Retén
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of El Retén.
Within 3 km, the terrain around El Retén has only modest variations in elevation — a maximum elevation change of 23 m around an average of 27 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 115 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,613 m.
The land around El Retén is covered by trees (75%) and grassland (20%) within 3 km, grassland (54%) and trees (41%) within 16 km, and trees (41%) and grassland (37%) within 80 km.
Colombia travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type A / B
- 120 / 240 V · 60 Hz
- Prices
- ≈ 38% of US
- price level, 2025
- GDP per capita
- $8,562
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 74%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 15.4
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 480
- 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 El Retén (10.6113°, -74.2682°, elevation 24 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.