The best time to visit Argentina
The best time to visit Argentina for warm, sunny weather is September to December, when its destinations average a Sunshine Score of 77/100 with daytime highs around 25°C / 77°F. August and January are quieter shoulder-season alternatives with still-reliable sun.
Argentina by month, averaged across 6 destinations from long-term climate normals — the best stretch is highlighted.
| Month | Sunshine Score | Avg day high | Rain | For a trip |
|---|---|---|---|---|
| January | 74 | 30° / 86°F | 103 mm | Excellent |
| February | 76 | 29° / 84°F | 104 mm | Excellent |
| March | 78 | 27° / 81°F | 94 mm | Excellent |
| April | 77 | 23° / 73°F | 69 mm | Excellent |
| May | 73 | 18° / 64°F | 49 mm | Excellent |
| June | 62 | 16° / 61°F | 41 mm | Very good |
| July | 57 | 15° / 59°F | 41 mm | Very good |
| August | 68 | 18° / 64°F | 41 mm | Very good |
| September | 77 | 21° / 70°F | 40 mm | Excellent |
| October | 76 | 24° / 75°F | 65 mm | Excellent |
| November | 78 | 27° / 81°F | 76 mm | Excellent |
| December | 77 | 29° / 84°F | 91 mm | Excellent |
When to go — and when to think twice
Best overall: September to December — Argentina's warmest, most reliable stretch (Sunshine Score 77/100, ~25°C / 77°F days). Shoulder season: August and January — quieter, still sunny. Hottest: January, ~30°C / 86°F. Wettest: February (104 mm) — pack for showers.
Where to base yourself for sunshine: Mendoza (3,504 h/yr), Salta (3,114 h/yr), Cordoba (2,919 h/yr). See every Argentina destination with a full climate card, or where it's sunny worldwide, month by month.