SeasonMapPort-au-Prince vs San Juan: which is better, month by month
San Juan beats Port-au-Prince in 8 of 12 months — its lead peaks in April (72 vs 58) — and they are within 3 points in November to February.
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.
Port-au-Prince vs San Juan — all 12 months
| Month | Port-au-Prince | San Juan | Winner | Gap |
|---|---|---|---|---|
| January | 77Bsweltering, dry, muggy air | 77Bhot, a little rain, clean air | Tie | 0 |
| February | 75Bsweltering, a little rain | 75Bhot, a little rain, clean air | Tie | 0 |
| March | 70Bsweltering, rainy | 77Bhot, a little rain, clean air | San Juan | 7 |
| April | 58Dsweltering, soaked, muggy air | 72Bhot, rainy, clean air | San Juan | 14 |
| May | 57Dsweltering, soaked, muggy air | 70Bsweltering, rainy, clean air | San Juan | 13 |
| June | 59Dsweltering, rainy, muggy air | 70Bsweltering, a little rain, clean air | San Juan | 11 |
| July | 54Dsweltering, rainy | 66Csweltering, rainy, clean air | San Juan | 12 |
| August | 50Dsweltering, soaked, muggy air | 64Csweltering, rainy, clean air | San Juan | 14 |
| September | 49Fsweltering, soaked, muggy air | 61Csweltering, rainy, clean air | San Juan | 12 |
| October | 53Dsweltering, soaked, muggy air | 63Csweltering, rainy, clean air | San Juan | 10 |
| November | 65Csweltering, rainy, muggy air | 64Csweltering, soaked, clean air | Tie | 1 |
| December | 74Bsweltering, a little rain, muggy air | 73Bhot, a little rain, clean air | Tie | 1 |
A month is a tie when the two are within 3 points. The widest gap is April (58 vs 72). Tap a month for that month's temperature, rain, humidity and air quality side by side.