San Juan Nepomuceno in Summer
In summer (June, July and August), San Juan Nepomuceno sees average daytime highs around 32°C and overnight lows near 25°C, with 500 mm of rain over about 74 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 3% of the time across summer, and the air most often feels miserable.
Summer is San Juan Nepomuceno's 3rd-best season to visit on our travel score. For the whole year in context, see San Juan Nepomuceno's year-round climate.
- Avg daytime high
- 32°C
- 3rd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 500 mm
- 74 wet days
- Avg wind
- 6 km/h
- Travel score
- 2.5
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in San Juan Nepomuceno in Summer
Across summer, daytime highs hold fairly steady around 32°C.
A typical summer day in San Juan Nepomuceno reaches about 32°C and drops to 25°C overnight. The warmest of the three months is July, the coolest August.
How summer really feels in San Juan Nepomuceno
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.
San Juan Nepomuceno 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 | 34° / 24° | 19 | 4.6 | 11.5 | 3.7 |
| Feb | 35° / 24° | 23 | 5.5 | 11.7 | 2.8 |
| Mar | 34° / 25° | 58 | 12.2 | 11.9 | 2.6 |
| Apr | 33° / 25° | 150 | 23.5 | 12.2 | 2.3 |
| May | 32° / 25° | 243 | 28.1 | 12.4 | 2.3 |
| Jun | 32° / 25° | 173 | 24.1 | 12.6 | 2.6 |
| Jul | 32° / 25° | 141 | 23.6 | 12.5 | 2.5 |
| Aug | 32° / 25° | 185 | 26.7 | 12.3 | 2.3 |
| Sep | 31° / 24° | 218 | 27.2 | 12.1 | 2.4 |
| Oct | 31° / 24° | 252 | 28.4 | 11.8 | 2.6 |
| Nov | 31° / 24° | 174 | 24 | 11.5 | 3.0 |
| Dec | 32° / 24° | 73 | 13.1 | 11.4 | 3.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 3% of the time across summer.
Chance of precipitation in Summer
San Juan Nepomuceno gets around 500 mm of rain over 74 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels miserable — 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 30 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 4.9 kWh/m².
Is summer a good time to visit San Juan Nepomuceno?
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 San Juan Nepomuceno.
What to pack for San Juan Nepomuceno in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, San Juan Nepomuceno sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 74 days see rain.
Sea temperature near San Juan Nepomuceno 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 60 km away) is warmest in July at about 30°C and coldest in March 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) | 29 | 28 | 28 | 28 | 29 | 30 | 30 | 30 | 30 | 29 | 29 | 29 |
| Comfort | Tropical | Tropical | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 28 | Tropical |
| Mar | 28 | Warm |
| Apr | 28 | Tropical |
| May | 29 | 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 San Juan Nepomuceno 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 San Juan Nepomuceno peaks around June 11 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) | 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 San Juan Nepomuceno 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 San Juan Nepomuceno is worst in March — around 48 µg/m³ PM2.5 (poor), about 3.2× the cleanest month (November, 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) | 16 | 26 | 48 | 30 | 26 | 24 | 26 | 21 | 17 | 16 | 15 | 15 |
| Level | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 26 | Moderate |
| Mar | 48 | Poor |
| Apr | 30 | Moderate |
| May | 26 | Moderate |
| Jun | 24 | Moderate |
| Jul | 26 | Moderate |
| Aug | 21 | Moderate |
| Sep | 17 | Moderate |
| Oct | 16 | Moderate |
| Nov | 15 | Moderate |
| Dec | 15 | Moderate |
Where is San Juan Nepomuceno?
San Juan Nepomuceno sits at 10.0°N, 75.1°W, 172 m above sea level, in Colombia. The nearest listed city is San Jacinto, 14 km away.
Topography around San Juan Nepomuceno
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Juan Nepomuceno.
Within 3 km, the terrain around San Juan Nepomuceno has significant variations in elevation — a maximum elevation change of 294 m around an average of 228 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 786 m; within 80 km, large variations in elevation — a maximum elevation change of 811 m.
The land around San Juan Nepomuceno is covered by trees (47%) and grassland (46%) within 3 km, trees (72%) and grassland (28%) within 16 km, and grassland (53%) and trees (28%) 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 San Juan Nepomuceno (9.9516°, -75.082°, elevation 172 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.