Climate averages 1991–2020
San Antonio, Chile weather
in October.
A mild, very dry month: the 7th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in San Antonio, Chile: daytime highs average 17.3°C and nights cool to about 10.0°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 14 mm of rain on roughly 2 days, which makes October a very dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 54 min on an average October day.
The nearest other city in this atlas is Valparaíso (62 km away). In October its highs average 16.8°C, 0.5°C cooler than San Antonio, Chile, with 13 mm of rain.
Among the 40 cities listed in Chile, San Antonio, Chile ranks 29th of 40 for the warmest October highs and 13th of 40 for the driest October (rainfall, lowest first). The mean October high of those 40 cities is 19.1°C; San Antonio, Chile is 1.8°C cooler than that mean.
From October to November, average highs rise by 1.8°C to 19.1°C, and monthly rainfall falls from 14 mm to 3.5 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
San Antonio, Chile climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.6°C14.5°C | 14.5°C | 0.4 | 0.1 | 14.114 h |
| February | 21.4°C14.4°C | 14.4°C | 1.6 | 0.3 | 13.313 h |
| March | 20.9°C13.4°C | 13.4°C | 3.5 | 0.8 | 12.312 h |
| April | 18.9°C11.3°C | 11.3°C | 18 | 2.1 | 11.311 h |
| May | 16.6°C9.6°C | 9.6°C | 61 | 4.7 | 10.410 h |
| June | 14.7°C8.0°C | 8.0°C | 122 | 7.0 | 10.010 h |
| July | 14.0°C6.9°C | 6.9°C | 67 | 5.6 | 10.110 h |
| August | 14.7°C7.4°C | 7.4°C | 59 | 5.1 | 10.911 h |
| September | 15.8°C8.6°C | 8.6°C | 28 | 3.0 | 11.912 h |
| October, selected | 17.3°C10.0°C | 10.0°C | 14 | 1.8 | 12.913 h |
| November | 19.1°C11.7°C | 11.7°C | 3.5 | 0.7 | 13.814 h |
| December | 20.4°C13.2°C | 13.2°C | 2.9 | 0.4 | 14.314 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
- Valparaíso in OctoberChile · 62 kmHigh 16.8°C · Low 11.9°C · 13 mm rain
- Quilpué in OctoberChile · 63 kmHigh 19.2°C · Low 9.7°C · 13 mm rain
- Viña del Mar in OctoberChile · 64 kmHigh 18.9°C · Low 10.6°C · 13 mm rain
- Peñaflor in OctoberChile · 68 kmHigh 21.7°C · Low 8.9°C · 25 mm rain
- Lampa in OctoberChile · 76 kmHigh 22.1°C · Low 10.5°C · 28 mm rain
- Maipú in OctoberChile · 79 kmHigh 21.0°C · Low 8.7°C · 39 mm rain
- Paine in OctoberChile · 84 kmHigh 21.6°C · Low 8.3°C · 38 mm rain
- San Bernardo in OctoberChile · 84 kmHigh 20.9°C · Low 7.5°C · 39 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 San Antonio) is explained once on the San Antonio, Chile year overview and on the Sources, method and limits page.