Coihueco in Summer
In summer (December, January and February), Coihueco sees average daytime highs around 23°C and overnight lows near 10°C, with 102 mm of rain over about 10 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 21°C in early December to 23°C by late February. The sky is clear or mostly clear about 77% of the time across summer, and the air most often feels dry.
Summer is Coihueco's best season of the year to visit on our travel score. For the whole year in context, see Coihueco's year-round climate.
- Avg daytime high
- 23°C
- warmest season of the year
- Avg overnight low
- 10°C
- Rainfall
- 102 mm
- 10 wet days
- Avg wind
- 8 km/h
- Travel score
- 8.7
- best season of the year
- Months
- Dec · Jan · Feb
Temperature in Coihueco in Summer
Over the season highs climb from about 21°C in early December to 23°C by late February.
A typical summer day in Coihueco reaches about 23°C and drops to 10°C overnight. The warmest of the three months is January, the coolest December.
How summer really feels in Coihueco
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Coihueco weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 24° / 11° | 20 | 2.3 | 0 | 14.2 | 9.0 |
| Feb | 24° / 10° | 38 | 2.9 | 0 | 13.4 | 8.9 |
| Mar | 22° / 9° | 34 | 3.6 | 0 | 12.3 | 8.3 |
| Apr | 18° / 6° | 115 | 6.7 | 0 | 11.1 | 6.4 |
| May | 14° / 5° | 265 | 10.8 | 0.1 | 10.1 | 4.1 |
| Jun | 11° / 4° | 366 | 14.7 | 0.7 | 9.5 | 2.5 |
| Jul | 11° / 3° | 289 | 12.8 | 1.3 | 9.8 | 2.5 |
| Aug | 12° / 3° | 247 | 13 | 1 | 10.6 | 3.1 |
| Sep | 14° / 4° | 141 | 9.5 | 0.3 | 11.8 | 4.3 |
| Oct | 16° / 5° | 102 | 8.8 | 0.2 | 12.9 | 5.6 |
| Nov | 19° / 7° | 52 | 5.2 | 0 | 14 | 7.2 |
| Dec | 22° / 9° | 45 | 4.5 | 0 | 14.5 | 8.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 77% of the time across summer.
Chance of precipitation in Summer
Coihueco gets around 102 mm of rain over 10 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 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 18 min in early December to 12 h 54 min by late February. 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 8.2 kWh/m².
Hazard calendar for Coihueco
None of Coihueco's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Coihueco's rainy season runs May–August, when most of the year's rain falls.
Is summer a good time to visit Coihueco?
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 one of the better times to visit Coihueco for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Coihueco in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Coihueco sees daytime highs around 23°C and nights near 10°C. Pack sun protection. Worth having: light clothes. About 10 days see rain.
UV index in Coihueco 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 Coihueco peaks around January 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 11 | 9 | 5 | 3 | 2 | 3 | 3 | 5 | 8 | 10 | 12 |
| Level | Extreme | Extreme | Very high | Moderate | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 11 | Extreme |
| Mar | 9 | Very high |
| Apr | 5 | Moderate |
| May | 3 | Moderate |
| Jun | 2 | Moderate |
| Jul | 3 | Moderate |
| Aug | 3 | Moderate |
| Sep | 5 | High |
| Oct | 8 | Very high |
| Nov | 10 | Extreme |
| Dec | 12 | Extreme |
Air quality in Coihueco 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 Coihueco is worst in April — around 40 µg/m³ PM2.5 (poor), about 4.6× the cleanest month (December, 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) | 14 | 25 | 30 | 40 | 27 | 15 | 15 | 14 | 13 | 12 | 10 | 9 |
| Level | Moderate | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 25 | Moderate |
| Mar | 30 | Moderate |
| Apr | 40 | Poor |
| May | 27 | Moderate |
| Jun | 15 | Moderate |
| Jul | 15 | Moderate |
| Aug | 14 | Moderate |
| Sep | 13 | Moderate |
| Oct | 12 | Moderate |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Coihueco?
Coihueco sits at 36.6°S, 71.8°W, 257 m above sea level, in Chile. The nearest listed city is Chillán, 24 km away.
Topography around Coihueco
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Coihueco.
Within 3 km, the terrain around Coihueco has only modest variations in elevation — a maximum elevation change of 99 m around an average of 257 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 831 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,159 m.
The land around Coihueco is covered by cropland (44%), trees (26%) and grassland (22%) within 3 km, trees (44%) and cropland (36%) within 16 km, and trees (43%) and grassland (32%) within 80 km.
Chile travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / L
- 220 V · 50 Hz
- Prices
- ≈ 48% of US
- price level, 2025
- GDP per capita
- $17,995
- 2025
- Happiness
- 6.3 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 6.3
- per 100k, 2023
- Road deaths
- 14.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 517
- 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 Coihueco (-36.6279°, -71.8307°, elevation 257 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.