Climate averages 1991–2020
Rancagua weather
in January.
A hot, 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 hot month in Rancagua: daytime highs average 28.0°C and nights cool to about 16.8°C. By daytime temperature it is the warmest month of the year.
Expect about 6.2 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 09 min on an average January day.
The nearest other city in this atlas is Paine (40 km away). In January its highs average 30.0°C, 1.9°C warmer than Rancagua, with 3.4 mm of rain.
Among the 40 cities listed in Chile, Rancagua ranks joint 12th of 40 for the warmest January highs and 23rd of 40 for the driest January (rainfall, lowest first). The mean January high of those 40 cities is 25.5°C; Rancagua is 2.5°C warmer than that mean.
From January to February, average highs fall by 0.5°C to 27.5°C, and monthly rainfall rises from 6.2 mm to 6.7 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
Rancagua climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 28.0°C16.8°C | 16.8°C | 6.2 | 1.4 | 14.114 h |
| February | 27.5°C16.0°C | 16.0°C | 6.7 | 1.5 | 13.313 h |
| March | 25.9°C13.5°C | 13.5°C | 11 | 1.8 | 12.312 h |
| April | 21.9°C8.7°C | 8.7°C | 44 | 4.0 | 11.311 h |
| May | 18.4°C5.4°C | 5.4°C | 99 | 7.3 | 10.410 h |
| June | 15.0°C2.6°C | 2.6°C | 167 | 9.4 | 9.910 h |
| July | 14.4°C1.5°C | 1.5°C | 124 | 8.9 | 10.110 h |
| August | 15.9°C2.5°C | 2.5°C | 108 | 8.6 | 10.911 h |
| September | 17.8°C4.5°C | 4.5°C | 81 | 10.1 | 11.912 h |
| October | 20.1°C6.8°C | 6.8°C | 60 | 8.5 | 12.913 h |
| November | 23.4°C10.0°C | 10.0°C | 26 | 4.8 | 13.914 h |
| December | 26.2°C13.8°C | 13.8°C | 13 | 2.0 | 14.414 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
- Paine in JanuaryChile · 40 kmHigh 30.0°C · Low 17.6°C · 3.4 mm rain
- Puente Alto in JanuaryChile · 64 kmHigh 27.7°C · Low 15.8°C · 15 mm rain
- Peñaflor in JanuaryChile · 64 kmHigh 29.6°C · Low 15.7°C · 2.6 mm rain
- San Bernardo in JanuaryChile · 64 kmHigh 28.9°C · Low 16.1°C · 2.7 mm rain
- Maipú in JanuaryChile · 73 kmHigh 29.0°C · Low 16.0°C · 2.7 mm rain
- Santiago in JanuaryChile · 80 kmHigh 28.0°C · Low 16.6°C · 2.7 mm rain
- Peñalolén in JanuaryChile · 80 kmHigh 26.8°C · Low 15.9°C · 15 mm rain
- Quilicura in JanuaryChile · 89 kmHigh 28.5°C · Low 16.8°C · 7.7 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 Rancagua) is explained once on the Rancagua year overview and on the Sources, method and limits page.