Isnos in Summer
In summer (June, July and August), Isnos sees average daytime highs around 17°C and overnight lows near 10°C, with 477 mm of rain over about 82 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 17°C. The sky is clear or mostly clear about 1% of the time across summer, and the air most often feels dry.
Summer is Isnos's weakest season of the year to visit on our travel score. For the whole year in context, see Isnos's year-round climate.
- Avg daytime high
- 17°C
- coldest season of the year
- Avg overnight low
- 10°C
- Rainfall
- 477 mm
- 82 wet days
- Avg wind
- 5 km/h
- Travel score
- 3.2
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Isnos in Summer
Across summer, daytime highs hold fairly steady around 17°C.
A typical summer day in Isnos reaches about 17°C and drops to 10°C overnight. The warmest of the three months is June, the coolest August.
Isnos 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 | 20° / 11° | 152 | 22.1 | 11.9 | 4.3 |
| Feb | 20° / 11° | 154 | 22.7 | 11.9 | 4.0 |
| Mar | 19° / 11° | 208 | 28.5 | 12 | 3.4 |
| Apr | 19° / 11° | 195 | 28.6 | 12 | 3.2 |
| May | 18° / 11° | 163 | 28.8 | 12.1 | 3.2 |
| Jun | 17° / 10° | 171 | 28 | 12.1 | 3.1 |
| Jul | 17° / 10° | 182 | 28.2 | 12.1 | 3.0 |
| Aug | 17° / 9° | 124 | 25.7 | 12.1 | 3.4 |
| Sep | 18° / 10° | 94 | 23.7 | 12 | 3.9 |
| Oct | 19° / 11° | 152 | 25.9 | 12 | 3.7 |
| Nov | 20° / 11° | 193 | 27.1 | 11.9 | 3.6 |
| Dec | 20° / 11° | 168 | 25.3 | 11.9 | 4.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 1% of the time across summer.
Chance of precipitation in Summer
Isnos gets around 477 mm of rain over 82 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — 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 06 min in early June to 12 hours 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 4.2 kWh/m².
Is summer a good time to visit Isnos?
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 Isnos.
What to pack for Isnos in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Isnos sees daytime highs around 17°C and nights near 10°C. Pack rain gear. Worth having: a warm layer and sun protection. About 82 days see rain.
UV index in Isnos 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 Isnos peaks around February 19 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 13 (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) | 16 | 17 | 17 | 14 | 15 | 14 | 13 | 13 | 15 | 15 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 17 | Extreme |
| Mar | 17 | Extreme |
| Apr | 14 | Extreme |
| May | 15 | Extreme |
| Jun | 14 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 15 | Extreme |
| Oct | 15 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Isnos 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 Isnos is worst in March — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 9 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 | 18 | 19 | 16 | 12 | 10 | 9 | 12 | 16 | 13 | 13 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 18 | Moderate |
| Mar | 19 | Moderate |
| Apr | 16 | Moderate |
| May | 12 | Moderate |
| Jun | 10 | Good |
| Jul | 9 | Good |
| Aug | 12 | Good |
| Sep | 16 | Moderate |
| Oct | 13 | Moderate |
| Nov | 13 | Moderate |
| Dec | 14 | Moderate |
Where is Isnos?
Isnos sits at 1.9°N, 76.2°W, 1,806 m above sea level, in Colombia. The nearest listed city is San Agustin, 7.0 km away.
Topography around Isnos
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Isnos.
Within 3 km, the terrain around Isnos has significant variations in elevation — a maximum elevation change of 413 m around an average of 1,814 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,618 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,394 m.
The land around Isnos is covered by grassland (71%) and trees (26%) within 3 km, trees (67%) and grassland (32%) within 16 km, and trees (77%) and grassland (23%) 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 Isnos (1.9356°, -76.2406°, elevation 1,806 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.