Santa Rosa de Osos in Summer
In summer (June, July and August), Santa Rosa de Osos sees average daytime highs around 22°C and overnight lows near 13°C, with 556 mm of rain over about 56 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 22°C. The sky is clear or mostly clear about 1% of the time across summer, and the air most often feels comfortable.
Summer is Santa Rosa de Osos's best season of the year to visit on our travel score. For the whole year in context, see Santa Rosa de Osos's year-round climate.
- Avg daytime high
- 22°C
- warmest season of the year
- Avg overnight low
- 13°C
- Rainfall
- 556 mm
- 56 wet days
- Avg wind
- 4 km/h
- Travel score
- 4.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Santa Rosa de Osos in Summer
Across summer, daytime highs hold fairly steady around 22°C.
A typical summer day in Santa Rosa de Osos reaches about 22°C and drops to 13°C overnight. The warmest of the three months is August, the coolest July.
Santa Rosa de Osos 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 | 21° / 12° | 108 | 19.4 | 11.7 | 5.0 |
| Feb | 21° / 12° | 168 | 21.6 | 11.8 | 4.3 |
| Mar | 21° / 13° | 313 | 27.9 | 12 | 3.7 |
| Apr | 22° / 13° | 426 | 27.7 | 12.1 | 3.5 |
| May | 22° / 13° | 414 | 27 | 12.3 | 3.8 |
| Jun | 22° / 13° | 207 | 20.4 | 12.4 | 4.5 |
| Jul | 22° / 13° | 162 | 18.1 | 12.3 | 5.1 |
| Aug | 23° / 13° | 187 | 17.4 | 12.2 | 5.1 |
| Sep | 22° / 13° | 304 | 23.1 | 12 | 4.2 |
| Oct | 21° / 13° | 384 | 28.2 | 11.9 | 3.6 |
| Nov | 21° / 13° | 331 | 27.5 | 11.7 | 3.5 |
| Dec | 21° / 12° | 174 | 22.4 | 11.6 | 4.4 |
Cloud cover in Summer
The sky is clear or mostly clear about 1% of the time across summer.
Chance of precipitation in Summer
Santa Rosa de Osos gets around 556 mm of rain over 56 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels comfortable — 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 24 min in early June to 12 h 06 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 5.6 kWh/m².
Is summer a good time to visit Santa Rosa de Osos?
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 reasonable time to visit Santa Rosa de Osos for sightseeing.
What to pack for Santa Rosa de Osos in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Santa Rosa de Osos sees daytime highs around 22°C and nights near 13°C. Pack rain gear. Worth having: light clothes and sun protection. About 56 days see rain.
UV index in Santa Rosa de Osos 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 Santa Rosa de Osos peaks around February 22 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 12 (extreme).
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) | 14 | 16 | 16 | 13 | 15 | 14 | 13 | 13 | 14 | 13 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 16 | Extreme |
| Mar | 16 | Extreme |
| Apr | 13 | Extreme |
| May | 15 | Extreme |
| Jun | 14 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 14 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Santa Rosa de Osos 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 Santa Rosa de Osos is worst in March — around 25 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 12 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 | 20 | 25 | 17 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 20 | Moderate |
| Mar | 25 | Moderate |
| Apr | 17 | Moderate |
| May | 14 | Moderate |
| Jun | 13 | Moderate |
| Jul | 13 | Moderate |
| Aug | 13 | Moderate |
| Sep | 12 | Moderate |
| Oct | 12 | Good |
| Nov | 12 | Good |
| Dec | 13 | Moderate |
Where is Santa Rosa de Osos?
Santa Rosa de Osos sits at 6.6°N, 75.5°W, 2,586 m above sea level, in Colombia. The nearest listed city is Barbosa, 27 km away.
Topography around Santa Rosa de Osos
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Rosa de Osos.
Within 3 km, the terrain around Santa Rosa de Osos has only modest variations in elevation — a maximum elevation change of 172 m around an average of 2,540 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,113 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,807 m.
The land around Santa Rosa de Osos is covered by grassland (77%) within 3 km, grassland (63%) and trees (36%) within 16 km, and trees (63%) and grassland (35%) 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 Santa Rosa de Osos (6.6474°, -75.4603°, elevation 2,586 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.