Mendoza weather by month & the best time to visit

🇦🇷 Argentina · city break · hot desert climate

The best time to visit Mendoza is September — its sunniest month (Sunshine Score 99/100), with May and October close behind. Mendoza averages about 3,504 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 8 mm of rain in September.

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Sun hours / year

3,504

Sunniest month

September

Peak score

99/100

Rain / year

292 mm

Midday UV at peak

12 (extreme)

Population

893k

Elevation

703 m

When is the best time to visit Mendoza?

For sunshine, the best time to visit Mendoza is September, then May and October. The dullest month is July (65/100, 10 mm of rain). The full month-by-month picture is in the table below.

How sunny is Mendoza?

Mendoza is one of the sunniest places on Earth: about 3,504 hours of sunshine a year. September (99/100) is noticeably better than July (65). Mendoza is the sunniest of the 41 destinations tracked in Argentina. Rain has a clear season: the wettest stretch, around February, carries about 46% of the annual 292 mm.

Sunshine Score by month

See Mendoza on the interactive sunshine globe →

Nearby places for sunshine

• Santiago Chile · 196 km · best in Mar · 3,263 h sun/yr
• La Serena-Coquimbo Chile · 397 km · best in Jan · 2,601 h sun/yr
• Cordoba Argentina · 464 km · best in Aug · 2,919 h sun/yr
• Concepcion Chile · 586 km · best in Jan · 3,020 h sun/yr
• Copiapo Chile · 648 km · best in Mar · 3,703 h sun/yr
• Rosario Argentina · 748 km · best in Sep · 2,737 h sun/yr

Nearest destinations

• San Rafael Argentina · 199 km · 3,468 h sun/yr · best in Sep
• San Luis Argentina · 232 km · 3,223 h sun/yr · best in Sep
• La Rioja Argentina · 428 km · 3,246 h sun/yr · best in Jul

Head-to-head

How Mendoza compares month by month: Mendoza vs Santiago · Mendoza vs Cordoba · Mendoza vs La Serena-Coquimbo · all comparisons