Puente Alto weather in October
In October, Puente Alto has daytime highs averaging 20 °C, nights around 6.8 °C, with 10 wet days. Figures are 1991–2020 climate normals.
- 19.8°C Average high
- 6.8°C Average low
- 10days Wet days
- 60mm Rainfall
- 13h Daylight
Daily temperatures through October
How October develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 October | 18.7 °C | 5.7 °C | 32 % |
| 11–20 October | 19.4 °C | 6.5 °C | 31 % |
| 21–31 October | 21.0 °C | 8.1 °C | 33 % |
- Average highs rise from 18.7 °C early in October to 21.0 °C by the end of it.
What to expect
| Measure | Typical October | Share of the month |
|---|---|---|
| Days above 25 °C | 2.0 of 31 | 6 % |
| Days above 30 °C | 0 of 31 | 0 % |
| Days below 0 °C | 0.4 of 31 | 1 % |
| Days with more than 1 mm rain | 10 of 31 | 32 % |
Conditions in October
| Measure | Average |
|---|---|
| Mean temperature | 14 °C |
| Record high (1991–2020) | 28 °C |
| Record low (1991–2020) | -3.3 °C |
| Relative humidity | 66 % |
| Wind speed | 8.6 km/h |
| Cloud cover | 44 % |
Where Puente Alto ranks in October
| Ranking | Position | Value |
|---|---|---|
| The coolest places in South America in October | 29thof 50 | 20 °C |
| Places with the best weather in South America in October | 44thof 50 | 82/100 |
October compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| August | 15.0 °C | 90 mm | 49 % |
| September | 17.2 °C | 73 mm | 48 % |
| October | 19.8 °C | 60 mm | 44 % |
| November | 23.1 °C | 42 mm | 27 % |
| December | 26.0 °C | 24 mm | 18 % |
See all twelve months for Puente Alto
- October is the 7th warmest month here.
- It is the 7th driest month of the year.
- It ranks 7th for least cloud cover.
- Days last about 13 hours from sunrise to sunset.
- It rains on 10 of 31 days — 32 % of the month.
- Nights are about 13 °C cooler than the middle of the day.
- The hottest October day on record since 1991 reached 28 °C, 8.3 °C above the usual daytime high.
Nearby destinations in October
| Destination | Avg high | Wet days | Sea |
|---|---|---|---|
| Puente Alto | 20 °C | 10 | – |
| Peñalolén | 19 °C | 10 | – |
| Santiago | 20 °C | 6 | – |
| Maipú | 21 °C | 6 | – |
| Quilicura | 21 °C | 8 | – |
| Rancagua | 20 °C | 8 | – |
| Viña del Mar | 19 °C | 2 | 13 |
| Valparaíso | 15 °C | 2 | 13 |
QuestionsOctober in Puente Alto, answered
How warm is Puente Alto in October?
Daily highs average 20 °C and nights fall to about 6.8 °C, a spread of 13 °C between afternoon and dawn. That makes October the 7th warmest month of the year here.
Does it rain much in Puente Alto in October?
October averages 60 mm of rain, spread over about 10 of the 31 days — 32 % of the month. Cloud cover averages 44 % of the sky.
How long are the days in October?
Puente Alto averages 13 hours between sunrise and sunset in October. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.