Monthly climate guide
Chillán weather in October
With highs near 20°C (68°F) and lows around 7°C (44°F), October feels mild in Chillán. Rainfall averages about 38 mm (fairly dry) and the sky is a mix of sun and cloud. Daytime highs are 3°C warmer than September and 5°C cooler than November.
What stands out in October
- Chillán is usually about 4°C warmer than Concepción, 90 km away, in October.
- Expect a big gap between day and night — about 14°C.
- In Chillán, October is mid-spring — the seasons are reversed south of the equator.
- Temperatures are climbing — November is around 5°C warmer.
Avg high
20°C
68°F
Avg low
7°C
44°F
Rainfall
38 mm
fairly dry
Humidity
68%
relative
Sky
45%
cloud · a mix of sun and cloud
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 October
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
Is October 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 October
Cite or embed this data
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Chillán weather in October. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/chile/chillan/october
<a href="https://weathercompare.eu/weather/chile/chillan/october">Chillán weather in October</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 October"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/chile/chillan/october">Chillán weather in October</a> – WeatherCompare</p>
Chillán in October: quick answers
Is October a good time to visit Chillán?
Yes. October is one of the best months for Chillán, with highs around 20°C and about 38 mm of rain.
How warm is Chillán in October?
Average highs are about 20°C (68°F) and average lows about 7°C (44°F), based on 10 years of daily data.
Does it rain a lot in Chillán in October?
Chillán typically gets around 38 mm of rain in October — fairly dry.
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.