SeasonMapBelfast vs London: which is better, month by month
London beats Belfast in 4 of 12 months — its lead peaks in August (93 vs 85) — and they are within 3 points in November to June.
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.
Belfast vs London — all 12 months
| Month | Belfast | London | Winner | Gap |
|---|---|---|---|---|
| January | 55Dcold, a little rain, clean air | 54Dcold, a little rain, clean air | Tie | 1 |
| February | 61Ccold, a little rain, clean air | 63Ccold, a little rain, clean air | Tie | 2 |
| March | 67Ccold, a little rain, clean air | 69Ccold, a little rain, clean air | Tie | 2 |
| April | 76Bcool, a little rain, clean air | 79Bcool, a little rain, clean air | Tie | 3 |
| May | 84Acool, a little rain, clean air | 86Anice, a little rain, clean air | Tie | 2 |
| June | 88Anice, a little rain, clean air | 91Snice, a little rain, clean air | Tie | 3 |
| July | 89Anice, a little rain, clean air | 94Swarm, a little rain, clean air | London | 5 |
| August | 85Anice, rainy, clean air | 93Snice, a little rain, clean air | London | 8 |
| September | 79Bcool, rainy, clean air | 84Anice, a little rain, clean air | London | 5 |
| October | 68Ccool, rainy, clean air | 73Bcool, a little rain, clean air | London | 5 |
| November | 59Dcold, a little rain, clean air | 61Ccold, a little rain, clean air | Tie | 2 |
| December | 53Dcold, a little rain, clean air | 56Dcold, a little rain, clean air | Tie | 3 |
A month is a tie when the two are within 3 points. The widest gap is August (85 vs 93). Tap a month for that month's temperature, rain, humidity and air quality side by side.