Climate averages 1991–2020
Mendoza weather
in July.
A cool, fairly dry month: the coolest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a cool month in Mendoza: daytime highs average 12.3°C and nights cool to about 1.5°C. By daytime temperature it is the coolest month of the year.
Expect about 19 mm of rain on roughly 4 days, which makes July a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 12 min on an average July day.
The nearest other city in this atlas is San Martín (41 km away). In July its highs average 14.5°C, 2.2°C warmer than Mendoza, with 5.6 mm of rain.
Among the 67 cities listed in Argentina, Mendoza ranks joint 55th of 67 for the warmest July highs and joint 17th of 67 for the driest July (rainfall, lowest first). The mean July high of those 67 cities is 14.6°C; Mendoza is 2.3°C cooler than that mean.
From July to August, average highs rise by 2.9°C to 15.1°C, and monthly rainfall rises from 19 mm to 25 mm.
The annual picture
July 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, selected | 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 | 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
July in nearby cities
- San Martín in JulyArgentina · 41 kmHigh 14.5°C · Low 3.2°C · 5.6 mm rain
- Rawson in JulyArgentina · 148 kmHigh 16.2°C · Low 2.3°C · 8.2 mm rain
- San Juan, Argentina in JulyArgentina · 153 kmHigh 16.4°C · Low 2.9°C · 8.2 mm rain
- Peñalolén in JulyChile · 170 kmHigh 12.8°C · Low 1.8°C · 97 mm rain
- Colina in JulyChile · 174 kmHigh 15.6°C · Low 4.8°C · 96 mm rain
- Santiago in JulyChile · 179 kmHigh 13.8°C · Low 1.9°C · 86 mm rain
- Puente Alto in JulyChile · 180 kmHigh 13.3°C · Low 0.6°C · 97 mm rain
- Quilicura in JulyChile · 182 kmHigh 14.7°C · Low 3.3°C · 96 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.