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.
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
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 73 | 34° / 93°F | 20° / 68°F | 47 mm | 12 |
| February | 82 | 33° / 91°F | 18° / 64°F | 49 mm | 11 |
| March | 93 | 30° / 86°F | 15° / 59°F | 37 mm | 9 |
| April | 95 | 25° / 77°F | 11° / 52°F | 28 mm | 6 |
| May | 97 | 20° / 68°F | 7° / 45°F | 19 mm | 4 |
| June | 74 | 17° / 63°F | 3° / 37°F | 8 mm | 3 |
| July | 65 | 16° / 61°F | 3° / 37°F | 10 mm | 3 |
| August | 90 | 19° / 66°F | 4° / 39°F | 9 mm | 4 |
| September | 99 | 23° / 73°F | 7° / 45°F | 8 mm | 6 |
| October | 97 | 27° / 81°F | 11° / 52°F | 15 mm | 9 |
| November | 94 | 31° / 88°F | 15° / 59°F | 32 mm | 11 |
| December | 85 | 33° / 91°F | 18° / 64°F | 30 mm | 12 |
Nearest destinations
Head-to-head
How Mendoza compares month by month: Mendoza vs Santiago · Mendoza vs Cordoba · Mendoza vs La Serena-Coquimbo · all comparisons
Mendoza: questions and answers
What kind of destination is Mendoza?
Mendoza is a city break in Argentina at 703 m elevation with a hot desert climate.
How many hours of sunshine does Mendoza get a year?
Mendoza gets about 3,504 hours of sunshine a year, at its best around September.
When is the best time to visit Mendoza?
The sunniest time to visit Mendoza is September, when the Sunshine Score peaks at 99/100 (with May and October close behind). Expect daytime highs around 23°C / 73°F.
What is the least sunny month in Mendoza?
July is the least sunny month in Mendoza, scoring 65/100 with about 10 mm of rain.
Is Mendoza the sunniest place in Argentina?
Yes — with about 3,504 hours of sunshine a year, Mendoza has the most annual sunshine of the 41 Argentina destinations tracked by Sunshine Atlas.
How strong is the sun in Mendoza?
The typical midday UV index in Mendoza peaks around 12 (extreme) in January, easing to about 3 (moderate) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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