The best time to visit Argentina
The best time to visit Argentina for warm, sunny weather is November to February, when its destinations average a Sunshine Score of 75/100 with daytime highs around 28°C / 82°F. October and March 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 | 75 | 30° / 86°F | 103 mm | Excellent |
| February | 75 | 28° / 82°F | 104 mm | Excellent |
| March | 75 | 26° / 79°F | 94 mm | Excellent |
| April | 74 | 22° / 72°F | 69 mm | Excellent |
| May | 66 | 17° / 63°F | 49 mm | Very good |
| June | 55 | 15° / 59°F | 41 mm | Very good |
| July | 52 | 14° / 57°F | 41 mm | Good |
| August | 65 | 17° / 63°F | 41 mm | Very good |
| September | 74 | 20° / 68°F | 40 mm | Excellent |
| October | 73 | 24° / 75°F | 65 mm | Excellent |
| November | 75 | 26° / 79°F | 76 mm | Excellent |
| December | 76 | 29° / 84°F | 91 mm | Excellent |
When to go — and when to think twice
Best overall: November to February — Argentina's warmest, most reliable stretch (Sunshine Score 75/100, ~28°C / 82°F days). Shoulder season: October and March — quieter, still sunny. Hottest: January, ~30°C / 86°F. Wettest: February (104 mm) — pack for showers.
Where to base yourself for sunshine: Mendoza (2,872 h/yr), Rosario (2,672 h/yr), San Carlos de Bariloche (2,540 h/yr). See every Argentina destination with a full climate card, or where it's sunny worldwide, month by month.