Climate averages 1991–2020
Mendoza weather
in October.
A mild, moderately wet month: the 6th warmest and the 7th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Mendoza: daytime highs average 21.9°C and nights cool to about 9.9°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 43 mm of rain on roughly 6 days, which makes October a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 53 min on an average October day.
The nearest other city in this atlas is San Martín (41 km away). In October its highs average 24.9°C, 3.1°C warmer than Mendoza, with 20 mm of rain.
Among the 67 cities listed in Argentina, Mendoza ranks joint 34th of 67 for the warmest October highs and 10th of 67 for the driest October (rainfall, lowest first). The mean October high of those 67 cities is 22.2°C; Mendoza is 0.4°C cooler than that mean.
From October to November, average highs rise by 3.2°C to 25.0°C, and monthly rainfall rises from 43 mm to 44 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
Mendoza climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.4°C17.8°C | 17.8°C | 48 | 7.8 | 14.014 h |
| February | 26.9°C16.6°C | 16.6°C | 48 | 7.2 | 13.313 h |
| March | 23.9°C14.4°C | 14.4°C | 59 | 7.8 | 12.312 h |
| April | 19.4°C10.2°C | 10.2°C | 40 | 6.5 | 11.311 h |
| May | 15.5°C6.4°C | 6.4°C | 30 | 6.1 | 10.510 h |
| June | 13.0°C2.7°C | 2.7°C | 21 | 4.1 | 10.010 h |
| July | 12.3°C1.5°C | 1.5°C | 19 | 3.6 | 10.210 h |
| August | 15.1°C3.2°C | 3.2°C | 25 | 4.1 | 10.911 h |
| September | 18.3°C6.1°C | 6.1°C | 28 | 5.0 | 11.912 h |
| October, selected | 21.9°C9.9°C | 9.9°C | 43 | 6.4 | 12.913 h |
| November | 25.0°C13.3°C | 13.3°C | 44 | 7.4 | 13.814 h |
| December | 27.6°C16.3°C | 16.3°C | 48 | 6.8 | 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
- San Martín in OctoberArgentina · 41 kmHigh 24.9°C · Low 12.5°C · 20 mm rain
- Rawson in OctoberArgentina · 148 kmHigh 24.7°C · Low 11.2°C · 21 mm rain
- San Juan, Argentina in OctoberArgentina · 153 kmHigh 25.1°C · Low 11.8°C · 21 mm rain
- Peñalolén in OctoberChile · 170 kmHigh 18.9°C · Low 7.4°C · 62 mm rain
- Colina in OctoberChile · 174 kmHigh 21.4°C · Low 10.4°C · 59 mm rain
- Santiago in OctoberChile · 179 kmHigh 20.1°C · Low 7.5°C · 39 mm rain
- Puente Alto in OctoberChile · 180 kmHigh 19.7°C · Low 6.4°C · 62 mm rain
- Quilicura in OctoberChile · 182 kmHigh 20.5°C · Low 9.0°C · 59 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 Mendoza) is explained once on the Mendoza year overview and on the Sources, method and limits page.