Monthly climate guide
Chillán weather in August
With highs near 14°C (58°F) and lows around 4°C (40°F), August feels cool in Chillán. Rainfall averages about 84 mm (some rain) and the sky is often cloudy. Daytime highs are about the same as July and 3°C cooler than September.
What stands out in August
- Chillán is usually about 2°C warmer than Concepción, 90 km away, in August.
- August brings late winter to Chillán — the seasons are reversed south of the equator.
- August is among Chillán's three coolest months.
- It's wetter than a typical month in Chillán — roughly 83% more rain than average.
Avg high
14°C
58°F
Avg low
4°C
40°F
Rainfall
84 mm
some rain
Humidity
77%
relative
Sky
61%
cloud · often cloudy
Chillán weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 32°C / 90°F | 14°C / 57°F | 10 mm | 42% | 23% |
| February | 32°C / 89°F | 14°C / 57°F | 14 mm | 42% | 22% |
| March | 29°C / 83°F | 12°C / 53°F | 18 mm | 44% | 26% |
| April | 23°C / 74°F | 9°C / 48°F | 39 mm | 56% | 44% |
| May | 18°C / 65°F | 7°C / 45°F | 62 mm | 69% | 63% |
| June | 14°C / 57°F | 5°C / 41°F | 109 mm | 77% | 64% |
| July | 13°C / 56°F | 4°C / 39°F | 84 mm | 78% | 63% |
| August | 14°C / 58°F | 4°C / 40°F | 84 mm | 77% | 61% |
| September | 18°C / 64°F | 6°C / 42°F | 55 mm | 73% | 52% |
| October | 20°C / 68°F | 7°C / 44°F | 38 mm | 68% | 45% |
| November | 25°C / 77°F | 9°C / 48°F | 24 mm | 58% | 32% |
| December | 29°C / 85°F | 11°C / 53°F | 13 mm | 47% | 25% |
What to pack for August
- A warm sweater or fleece for layering
- A mid-weight jacket
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is August a good time to visit Chillán?
Compare the months in the chart above to find your ideal window.
Best time to visit Chillán →Other Chile cities in August
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Chillán weather in August. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/chile/chillan/august
<a href="https://weathercompare.eu/weather/chile/chillan/august">Chillán weather in August</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/chile/chillan" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Chillán weather in August"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/chile/chillan/august">Chillán weather in August</a> – WeatherCompare</p>
Chillán in August: quick answers
Is August a good time to visit Chillán?
August is a reasonable time for Chillán: highs around 14°C and about 84 mm of rain, though not one of the three best months.
How warm is Chillán in August?
Average highs are about 14°C (58°F) and average lows about 4°C (40°F), based on 10 years of daily data.
Does it rain a lot in Chillán in August?
Chillán typically gets around 84 mm of rain in August — some rain.
Figures are long-term averages for the area around Chillán (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.