SeasonMapPortillo vs Santiago: which is better, month by month
Santiago beats Portillo in 8 of 12 months — its lead peaks in February (87 vs 14) — while Portillo wins June to August; 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.
Portillo vs Santiago — all 12 months
| Month | Portillo | Santiago | Winner | Gap |
|---|---|---|---|---|
| January | 21Fnice, a little rain | 89Ahot, dry | Santiago | 68 |
| February | 14Fnice, dry | 87Ahot, dry, poor air quality | Santiago | 73 |
| March | 18Fcool, dry, clean air | 88Ahot, dry, poor air quality | Santiago | 70 |
| April | 46Fcold, a little rain, clean air | 86Awarm, a little rain, poor air quality | Santiago | 40 |
| May | 75Bcold, a little rain, clean air | 77Bnice, a little rain, poor air quality | Tie | 2 |
| June | 91Sfreezing, rainy, clean air | 66Ccool, rainy, poor air quality | Portillo | 25 |
| July | 86Afreezing, a little rain, clean air | 70Bcool, a little rain, poor air quality | Portillo | 16 |
| August | 88Afreezing, a little rain, clean air | 74Bnice, a little rain, poor air quality | Portillo | 14 |
| September | 79Bcold, a little rain, clean air | 83Anice, a little rain | Santiago | 4 |
| October | 68Ccold, a little rain, reliable snow | 91Swarm, a little rain | Santiago | 23 |
| November | 48Fcool, a little rain, reliable snow | 92Swarm, dry | Santiago | 44 |
| December | 27Fcool, dry | 88Ahot, dry | Santiago | 61 |
A month is a tie when the two are within 3 points. The widest gap is February (14 vs 87). Tap a month for that month's temperature, rain, humidity and air quality side by side.