Climate averages 1991–2020
Chillán weather
in October.
A mild, moderately wet month: the 7th warmest and the 6th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Chillán: daytime highs average 18.7°C and nights cool to about 7.1°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 63 mm of rain on roughly 6 days, which makes October a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 00 min on an average October day.
The nearest other city in this atlas is Concepción (88 km away). In October its highs average 17.4°C, 1.3°C cooler than Chillán, with 43 mm of rain.
Among the 40 cities listed in Chile, Chillán ranks 25th of 40 for the warmest October highs and 32nd of 40 for the driest October (rainfall, lowest first). The mean October high of those 40 cities is 19.1°C; Chillán is 0.4°C cooler than that mean.
From October to November, average highs rise by 3.5°C to 22.2°C, and monthly rainfall falls from 63 mm to 28 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Chillán climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.6°C13.3°C | 13.3°C | 9.5 | 1.3 | 14.314 h |
| February | 27.1°C13.1°C | 13.1°C | 24 | 1.8 | 13.513 h |
| March | 24.7°C11.4°C | 11.4°C | 23 | 2.4 | 12.312 h |
| April | 19.8°C8.6°C | 8.6°C | 75 | 5.2 | 11.211 h |
| May | 15.8°C6.5°C | 6.5°C | 193 | 9.7 | 10.210 h |
| June | 13.1°C5.0°C | 5.0°C | 267 | 13.4 | 9.710 h |
| July | 12.7°C3.5°C | 3.5°C | 203 | 11.4 | 9.910 h |
| August | 14.0°C4.2°C | 4.2°C | 168 | 11.4 | 10.711 h |
| September | 16.3°C5.4°C | 5.4°C | 96 | 7.3 | 11.812 h |
| October, selected | 18.7°C7.1°C | 7.1°C | 63 | 6.4 | 13.013 h |
| November | 22.2°C9.3°C | 9.3°C | 28 | 3.3 | 14.014 h |
| December | 25.4°C11.6°C | 11.6°C | 22 | 2.4 | 14.615 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Concepción in OctoberChile · 88 kmHigh 17.4°C · Low 8.3°C · 43 mm rain
- Villa Mercedes, Chile in OctoberChile · 89 kmHigh 16.7°C · Low 6.0°C · 114 mm rain
- Chiguayante in OctoberChile · 90 kmHigh 17.6°C · Low 8.3°C · 59 mm rain
- Talcahuano in OctoberChile · 91 kmHigh 16.3°C · Low 8.9°C · 43 mm rain
- San Pedro de la Paz in OctoberChile · 93 kmHigh 16.5°C · Low 8.7°C · 43 mm rain
- Los Ángeles in OctoberChile · 99 kmHigh 17.8°C · Low 6.8°C · 71 mm rain
- Coronel in OctoberChile · 104 kmHigh 17.1°C · Low 8.6°C · 56 mm rain
- Talca in OctoberChile · 138 kmHigh 20.5°C · Low 8.2°C · 40 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Chillán) is explained once on the Chillán year overview and on the Sources, method and limits page.