SeasonMapPortillo vs Ushuaia: which is better, month by month
Portillo beats Ushuaia in 7 of 12 months — its lead peaks in June (91 vs 66) — while Ushuaia wins February to March; they are within 3 points in January, April and December.
Each place is scored under the lens that suits its type. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.
Portillo vs Ushuaia — all 12 months
| Month | Portillo | Ushuaia | Winner | Gap |
|---|---|---|---|---|
| January | 21Fnice, a little rain | 21Fcool, rainy, clean air | Tie | 0 |
| February | 14Fnice, dry | 18Fcool, rainy, clean air | Ushuaia | 4 |
| March | 18Fcool, dry, clean air | 30Fcool, rainy, clean air | Ushuaia | 12 |
| April | 46Fcold, a little rain, clean air | 48Fcold, a little rain, clean air | Tie | 2 |
| May | 75Bcold, a little rain, clean air | 59Dcold, a little rain, clean air | Portillo | 16 |
| June | 91Sfreezing, rainy, clean air | 66Ccold, a little rain, clean air | Portillo | 25 |
| July | 86Afreezing, a little rain, clean air | 73Bcold, a little rain, clean air | Portillo | 13 |
| August | 88Afreezing, a little rain, clean air | 77Bcold, a little rain, clean air | Portillo | 11 |
| September | 79Bcold, a little rain, clean air | 69Ccold, a little rain, clean air | Portillo | 10 |
| October | 68Ccold, a little rain, reliable snow | 51Dcold, a little rain, clean air | Portillo | 17 |
| November | 48Fcool, a little rain, reliable snow | 37Fcool, rainy, clean air | Portillo | 11 |
| December | 27Fcool, dry | 26Fcool, rainy, clean air | Tie | 1 |
A month is a tie when the two are within 3 points. The widest gap is June (91 vs 66). Tap a month for that month's temperature, rain, humidity and air quality side by side.