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Mendoza, Argentina climate
BWk Cold desert
Mendoza has a seasonal mild-temperate climate (Cold desert, Köppen BWk). The hottest month is January with an average daily high near 31°C, while the coldest is July averaging around 3°C at night. Precipitation totals about 267 mm a year and is strongly seasonal — February alone averages 44 mm while June barely receives 8 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Mendoza climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 29 | 27 | 22 | 18 | 15 | 15 | 18 | 21 | 24 | 27 | 30 |
| Avg temp (°C) | 24 | 23 | 20 | 16 | 11 | 8 | 7 | 10 | 14 | 17 | 21 | 24 |
| Avg low (°C) | 18 | 17 | 15 | 11 | 7 | 4 | 3 | 5 | 8 | 11 | 14 | 17 |
| Precipitation (mm) | 40 | 44 | 36 | 23 | 15 | 8 | 8 | 10 | 15 | 14 | 26 | 28 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 29 | 27 | 22 | 18 | 15 |
| Avg temp (°C) | 24 | 23 | 20 | 16 | 11 | 8 |
| Avg low (°C) | 18 | 17 | 15 | 11 | 7 | 4 |
| Precipitation (mm) | 40 | 44 | 36 | 23 | 15 | 8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 15 | 18 | 21 | 24 | 27 | 30 |
| Avg temp (°C) | 7 | 10 | 14 | 17 | 21 | 24 |
| Avg low (°C) | 3 | 5 | 8 | 11 | 14 | 17 |
| Precipitation (mm) | 8 | 10 | 15 | 14 | 26 | 28 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 44 | 44 | 43 | 42 | 49 | 46 | 45 | 40 | 40 | 41 | 39 | 38 |
| Relative humidity (%) | 41 | 45 | 49 | 52 | 57 | 55 | 52 | 45 | 42 | 39 | 37 | 37 |
| Wind speed (km/h) | 11.5 | 11.1 | 10.4 | 9.4 | 8.5 | 8.1 | 8.6 | 9.8 | 11.0 | 12.0 | 12.3 | 12.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 44 | 44 | 43 | 42 | 49 | 46 |
| Relative humidity (%) | 41 | 45 | 49 | 52 | 57 | 55 |
| Wind speed (km/h) | 11.5 | 11.1 | 10.4 | 9.4 | 8.5 | 8.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 45 | 40 | 40 | 41 | 39 | 38 |
| Relative humidity (%) | 52 | 45 | 42 | 39 | 37 | 37 |
| Wind speed (km/h) | 8.6 | 9.8 | 11.0 | 12.0 | 12.3 | 12.1 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the WMO's CLINO 1991–2020 collection, measured at Mendoza_observatorio, about 3 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.