Buenos Aires vs Reykjavík: which is better, month by month
Buenos Aires beats Reykjavík in 9 of 12 months — its lead peaks in December (83 vs 33) — while Reykjavík wins July; they are within 3 points in June and August.
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.
Buenos Aires vs Reykjavík — all 12 months
| Month | Buenos Aires | Reykjavík | Winner | Gap |
|---|---|---|---|---|
| January | 79Bhot, a little rain, clean air | 31Ffreezing, rainy, clean air | Buenos Aires | 48 |
| February | 79Bhot, rainy, clean air | 40Ffreezing, rainy, clean air | Buenos Aires | 39 |
| March | 81Awarm, rainy, clean air | 50Dcold, rainy, clean air | Buenos Aires | 31 |
| April | 84Anice, rainy, clean air | 64Ccold, rainy, clean air | Buenos Aires | 20 |
| May | 82Anice, a little rain, clean air | 72Bcold, rainy, clean air | Buenos Aires | 10 |
| June | 78Bcool, a little rain, clean air | 78Bcool, rainy, clean air | Tie | 0 |
| July | 76Bcool, a little rain, clean air | 85Acool, a little rain, clean air | Reykjavík | 9 |
| August | 82Acool, a little rain, clean air | 81Acool, rainy, clean air | Tie | 1 |
| September | 86Anice, a little rain, clean air | 68Ccold, rainy, clean air | Buenos Aires | 18 |
| October | 90Snice, rainy, clean air | 56Dcold, rainy, clean air | Buenos Aires | 34 |
| November | 88Awarm, a little rain, clean air | 43Fcold, rainy, clean air | Buenos Aires | 45 |
| December | 83Ahot, a little rain, clean air | 33Ffreezing, rainy, clean air | Buenos Aires | 50 |
A month is a tie when the two are within 3 points. The widest gap is December (83 vs 33). Tap a month for that month's temperature, rain, humidity and air quality side by side.