Climate averages 1991–2020
Puerto Montt weather
in August.
A cool, very wet month: the 10th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a cool month in Puerto Montt: daytime highs average 10.4°C and nights cool to about 4.9°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 277 mm of rain on roughly 21 days, which makes August a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 28 min on an average August day.
The nearest other city in this atlas is Osorno (101 km away). In August its highs average 11.2°C, 0.8°C warmer than Puerto Montt, with 213 mm of rain.
Among the 40 cities listed in Chile, Puerto Montt ranks 39th of 40 for the warmest August highs and 40th of 40 for the driest August (rainfall, lowest first). The mean August high of those 40 cities is 15.5°C; Puerto Montt is 5.1°C cooler than that mean.
From August to September, average highs rise by 1.5°C to 12.0°C, and monthly rainfall falls from 277 mm to 185 mm.
The annual picture
August 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
Puerto Montt climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.6°C11.7°C | 11.7°C | 101 | 11.2 | 14.815 h |
| February | 18.8°C11.9°C | 11.9°C | 100 | 9.4 | 13.714 h |
| March | 17.3°C10.9°C | 10.9°C | 132 | 12.2 | 12.412 h |
| April | 14.6°C9.0°C | 9.0°C | 184 | 15.5 | 11.011 h |
| May | 12.5°C7.6°C | 7.6°C | 261 | 18.2 | 9.810 h |
| June | 10.2°C5.8°C | 5.8°C | 311 | 20.8 | 9.29 h |
| July | 9.6°C4.7°C | 4.7°C | 276 | 20.1 | 9.59 h |
| August, selected | 10.4°C4.9°C | 4.9°C | 277 | 20.6 | 10.510 h |
| September | 12.0°C5.5°C | 5.5°C | 185 | 17.4 | 11.812 h |
| October | 13.7°C7.0°C | 7.0°C | 180 | 17.5 | 13.213 h |
| November | 15.3°C8.6°C | 8.6°C | 151 | 15.4 | 14.414 h |
| December | 17.2°C10.3°C | 10.3°C | 137 | 13.7 | 15.115 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
August in nearby cities
- Osorno in AugustChile · 101 kmHigh 11.2°C · Low 3.8°C · 213 mm rain
- San Carlos de Bariloche in AugustArgentina · 141 kmHigh 4.9°C · Low -0.1°C · 131 mm rain
- Valdivia in AugustChile · 186 kmHigh 11.5°C · Low 5.4°C · 276 mm rain
- Padre Las Casas in AugustChile · 303 kmHigh 12.1°C · Low 3.7°C · 196 mm rain
- Temuco in AugustChile · 305 kmHigh 12.4°C · Low 4.0°C · 196 mm rain
- Los Ángeles in AugustChile · 448 kmHigh 13.1°C · Low 4.0°C · 169 mm rain
- Villa Mercedes, Chile in AugustChile · 460 kmHigh 12.4°C · Low 3.4°C · 241 mm rain
- Coronel in AugustChile · 493 kmHigh 13.6°C · Low 6.3°C · 163 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 Puerto Montt) is explained once on the Puerto Montt year overview and on the Sources, method and limits page.