San Luis Weather & Climate

Argentina

San Luis sees feels-like daytime highs peak around 32.8°C in January and nighttime lows bottom out near 6°C in July. January is the wettest month (~105 mm), while June is the driest (~7 mm). For sunshine, February leads with about 81% clear skies.

Best time to visit San Luis

Based on mild feels-like temperatures and low rain chances, the most comfortable months are October, April, and November — expect around 14.625.3°C with roughly 18% chance of rain on a given day in October.

San Luis climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January21.8° / 32.8°36%105 mm79%16 kph
February20.9° / 31.7°31%95 mm81%15.7 kph
March18.6° / 29.3°26%82 mm80%15.4 kph
April14.3° / 24.8°16%43 mm73%14.9 kph
May10.5° / 19.9°8%19 mm60%14.7 kph
June7.1° / 16.1°4%7 mm59%15.1 kph
July6° / 15.7°4%8 mm63%16.1 kph
August7.9° / 18.3°5%9 mm68%17.4 kph
September11° / 21°9%21 mm69%18.4 kph
October14.6° / 25.3°18%45 mm73%18.7 kph
November18° / 28.4°27%73 mm78%18.1 kph
December20.5° / 31.9°36%100 mm80%17 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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