Climate averages 1991–2020
Chillán weather
in January.
A warm, very dry month: the warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Chillán: daytime highs average 27.6°C and nights cool to about 13.3°C. By daytime temperature it is the warmest month of the year.
Expect about 9.5 mm of rain on roughly 1 day, which makes January a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 21 min on an average January day.
The nearest other city in this atlas is Concepción (88 km away). In January its highs average 24.6°C, 3.0°C cooler than Chillán, with 5.6 mm of rain.
Among the 40 cities listed in Chile, Chillán ranks 15th of 40 for the warmest January highs and joint 29th of 40 for the driest January (rainfall, lowest first). The mean January high of those 40 cities is 25.5°C; Chillán is 2.1°C warmer than that mean.
From January to February, average highs fall by 0.6°C to 27.1°C, and monthly rainfall rises from 9.5 mm to 24 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Concepción in JanuaryChile · 88 kmHigh 24.6°C · Low 13.7°C · 5.6 mm rain
- Villa Mercedes, Chile in JanuaryChile · 89 kmHigh 24.9°C · Low 12.0°C · 26 mm rain
- Chiguayante in JanuaryChile · 90 kmHigh 25.1°C · Low 14.0°C · 7.4 mm rain
- Talcahuano in JanuaryChile · 91 kmHigh 22.5°C · Low 13.6°C · 5.6 mm rain
- San Pedro de la Paz in JanuaryChile · 93 kmHigh 23.0°C · Low 13.7°C · 5.6 mm rain
- Los Ángeles in JanuaryChile · 99 kmHigh 26.5°C · Low 12.9°C · 15 mm rain
- Coronel in JanuaryChile · 104 kmHigh 24.2°C · Low 14.2°C · 8.2 mm rain
- Talca in JanuaryChile · 138 kmHigh 29.5°C · Low 14.8°C · 4.2 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.