SeasonMapEl Chaltén vs Ushuaia: which is better, month by month
El Chaltén beats Ushuaia in 7 of 12 months — its lead peaks in February (79 vs 18) — while Ushuaia wins June to September; they are within 3 points in May.
Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.
El Chaltén vs Ushuaia — all 12 months
| Month | El Chaltén | Ushuaia | Winner | Gap |
|---|---|---|---|---|
| January | 76Bcool, soaked, clean air | 21Fcool, rainy, clean air | El Chaltén | 55 |
| February | 79Bcool, soaked, clean air | 18Fcool, rainy, clean air | El Chaltén | 61 |
| March | 68Ccold, soaked, clean air | 30Fcool, rainy, clean air | El Chaltén | 38 |
| April | 62Ccold, soaked, clean air | 48Fcold, a little rain, clean air | El Chaltén | 14 |
| May | 58Dcold, soaked, clean air | 59Dcold, a little rain, clean air | Tie | 1 |
| June | 52Dfreezing, soaked, clean air | 66Ccold, a little rain, clean air | Ushuaia | 14 |
| July | 48Ffreezing, soaked, clean air | 73Bcold, a little rain, clean air | Ushuaia | 25 |
| August | 55Dcold, soaked, clean air | 77Bcold, a little rain, clean air | Ushuaia | 22 |
| September | 64Ccold, soaked, clean air | 69Ccold, a little rain, clean air | Ushuaia | 5 |
| October | 68Ccold, soaked, clean air | 51Dcold, a little rain, clean air | El Chaltén | 17 |
| November | 72Bcold, soaked, clean air | 37Fcool, rainy, clean air | El Chaltén | 35 |
| December | 73Bcold, soaked, clean air | 26Fcool, rainy, clean air | El Chaltén | 47 |
A month is a tie when the two are within 3 points. The widest gap is February (79 vs 18). Tap a month for that month's temperature, rain, humidity and air quality side by side.