SeasonMapIlha Grande vs Montevideo: which is better, month by month
Montevideo beats Ilha Grande in 6 of 12 months — its lead peaks in November (92 vs 79) — while Ilha Grande wins May to July; they are within 3 points in April, August and September.
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.
Ilha Grande vs Montevideo — all 12 months
| Month | Ilha Grande | Montevideo | Winner | Gap |
|---|---|---|---|---|
| January | 71Bwarm, soaked, muggy air | 83Ahot, a little rain, clean air | Montevideo | 12 |
| February | 77Bwarm, soaked, muggy air | 81Ahot, rainy, clean air | Montevideo | 4 |
| March | 78Bwarm, soaked, muggy air | 86Awarm, rainy, clean air | Montevideo | 8 |
| April | 81Anice, rainy, muggy air | 84Anice, rainy, clean air | Tie | 3 |
| May | 84Anice, a little rain, muggy air | 78Bnice, rainy, clean air | Ilha Grande | 6 |
| June | 84Anice, a little rain, muggy air | 75Bcool, a little rain, clean air | Ilha Grande | 9 |
| July | 85Anice, a little rain, muggy air | 72Bcool, rainy, clean air | Ilha Grande | 13 |
| August | 80Anice, a little rain, muggy air | 77Bcool, a little rain, clean air | Tie | 3 |
| September | 85Anice, a little rain, muggy air | 82Anice, a little rain, clean air | Tie | 3 |
| October | 78Bnice, soaked, muggy air | 87Anice, rainy, clean air | Montevideo | 9 |
| November | 79Bnice, soaked, muggy air | 92Swarm, a little rain, clean air | Montevideo | 13 |
| December | 77Bnice, soaked, muggy air | 88Awarm, a little rain, clean air | Montevideo | 11 |
A month is a tie when the two are within 3 points. The widest gap is July (85 vs 72). Tap a month for that month's temperature, rain, humidity and air quality side by side.