San Jacinto in Summer
In summer (June, July and August), San Jacinto sees average daytime highs around 32°C and overnight lows near 24°C, with 424 mm of rain over about 69 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 Jacinto's 3rd-best season to visit on our travel score. For the whole year in context, see San Jacinto's year-round climate.
- Avg daytime high
- 32°C
- 3rd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 424 mm
- 69 wet days
- Avg wind
- 6 km/h
- Travel score
- 2.7
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in San Jacinto in Summer
Across summer, daytime highs hold fairly steady around 32°C.
A typical summer day in San Jacinto reaches about 32°C and drops to 24°C overnight. The warmest of the three months is July, the coolest August.
How summer really feels in San Jacinto
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 Jacinto 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 | 33° / 24° | 17 | 4.4 | 11.5 | 4.0 |
| Feb | 35° / 24° | 21 | 5.6 | 11.7 | 3.0 |
| Mar | 34° / 25° | 53 | 12 | 11.9 | 2.7 |
| Apr | 32° / 25° | 138 | 22.4 | 12.2 | 2.5 |
| May | 31° / 25° | 213 | 27.7 | 12.4 | 2.4 |
| Jun | 31° / 24° | 153 | 23.1 | 12.6 | 2.7 |
| Jul | 32° / 24° | 117 | 20.8 | 12.5 | 2.8 |
| Aug | 32° / 24° | 155 | 24.7 | 12.3 | 2.6 |
| Sep | 31° / 24° | 192 | 26.4 | 12.1 | 2.6 |
| Oct | 30° / 24° | 224 | 28.3 | 11.8 | 2.6 |
| Nov | 31° / 24° | 153 | 24 | 11.5 | 3.0 |
| Dec | 32° / 24° | 59 | 12.1 | 11.4 | 4.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 3% of the time across summer.
Chance of precipitation in Summer
San Jacinto gets around 424 mm of rain over 69 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 Jacinto?
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 Jacinto.
What to pack for San Jacinto in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, San Jacinto sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 69 days see rain.
Sea temperature near San Jacinto 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 55 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 Jacinto 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 Jacinto 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 Jacinto 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 Jacinto 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 Jacinto?
San Jacinto sits at 9.8°N, 75.1°W, 235 m above sea level, in Colombia. The nearest listed city is El Carmen de Bolívar, 12 km away.
Topography around San Jacinto
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Jacinto.
Within 3 km, the terrain around San Jacinto has significant variations in elevation — a maximum elevation change of 255 m around an average of 279 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 773 m; within 80 km, large variations in elevation — a maximum elevation change of 811 m.
The land around San Jacinto is covered by grassland (55%) and trees (39%) within 3 km, trees (69%) and grassland (30%) within 16 km, and grassland (53%) and trees (26%) 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 Jacinto (9.8277°, -75.1217°, elevation 235 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.