Table 3. Average of GCM estimates of changes in Tmean by 2050 and 2100 (relative to 2017).
| WHO Region | Ecoregion Domain | Cities | 2050 | 2100 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RCP2.6 | RCP8.5 | RCP2.6 | RCP8.5 | |||||||||||
| Mean (°C) | Coldest Month (°C) | Hottest Month (°C) | Mean (°C) | Coldest Month (°C) | Hottest Month (°C) | Mean (°C) | Coldest Month (°C) | Hottest Month (°C) | Mean (°C) | Coldest Month (°C) | Hottest Month (°C) | |||
| Africa | Polar | 0 | - | - | - | - | - | - | - | - | - | - | - | - |
| Humid temperate | 2 | 0.95 | 0.70 | 1.24 | 1.32 | 1.08 | 1.72 | 1.09 | 0.82 | 1.36 | 4.23 | 3.27 | 5.45 | |
| Dry | 3 | 0.87 | 0.86 | 0.84 | 1.26 | 1.27 | 1.22 | 1.04 | 0.97 | 1.13 | 4.23 | 4.01 | 4.08 | |
| Humid tropical | 15 | 0.80 | 0.79 | 0.82 | 1.15 | 1.14 | 1.16 | 0.94 | 0.89 | 1.00 | 3.79 | 3.74 | 3.87 | |
| Americas | Polar | 1 | 1.26 | 1.49 | 1.28 | 1.59 | 1.79 | 1.63 | 1.50 | 1.96 | 1.37 | 5.03 | 5.78 | 5.39 |
| Humid temperate | 18 | 1.05 | 1.04 | 1.14 | 1.42 | 1.48 | 1.54 | 1.25 | 1.39 | 1.26 | 4.44 | 4.41 | 4.90 | |
| Dry | 10 | 0.97 | 0.91 | 1.01 | 1.35 | 1.33 | 1.41 | 1.12 | 1.17 | 1.14 | 4.36 | 4.11 | 4.64 | |
| Humid tropical | 27 | 0.77 | 0.74 | 0.76 | 1.10 | 1.02 | 1.09 | 0.92 | 0.87 | 0.94 | 3.61 | 3.41 | 3.65 | |
| Eastern Mediterranean | Polar | 0 | - | - | - | - | - | - | - | - | - | - | - | - |
| Humid temperate | 3 | 0.97 | 0.75 | 1.18 | 1.35 | 1.16 | 1.58 | 1.12 | 0.92 | 1.33 | 4.30 | 3.52 | 4.87 | |
| Dry | 13 | 0.99 | 0.98 | 1.08 | 1.37 | 1.30 | 1.52 | 1.17 | 1.15 | 1.22 | 4.54 | 4.27 | 4.89 | |
| Humid tropical | 3 | 0.94 | 1.13 | 0.94 | 1.49 | 1.46 | 1.60 | 1.24 | 1.28 | 1.28 | 5.06 | 5.07 | 5.14 | |
| Europe | Polar | 4 | 1.25 | 1.46 | 1.05 | 1.64 | 1.61 | 1.39 | 1.41 | 1.76 | 1.10 | 5.37 | 6.49 | 4.57 |
| Humid temperate | 45 | 0.99 | 0.85 | 1.31 | 1.34 | 1.24 | 1.72 | 1.16 | 1.14 | 1.38 | 4.20 | 3.99 | 5.35 | |
| Dry | 6 | 1.08 | 0.91 | 1.48 | 1.48 | 1.27 | 1.98 | 1.27 | 1.27 | 1.54 | 4.75 | 4.10 | 6.17 | |
| Humid tropical | 0 | - | - | - | - | - | - | - | - | - | - | - | - | |
| South-East Asia | Polar | 0 | - | - | - | - | - | - | - | - | - | - | - | - |
| Humid temperate | 2 | 1.13 | 1.28 | 1.13 | 1.44 | 1.50 | 1.48 | 1.28 | 1.40 | 1.38 | 4.64 | 5.15 | 4.63 | |
| Dry | 1 | 0.77 | 1.09 | 0.71 | 1.15 | 1.36 | 1.13 | 0.95 | 1.20 | 0.96 | 3.83 | 4.70 | 3.47 | |
| Humid tropical | 36 | 0.73 | 0.82 | 0.78 | 1.10 | 1.16 | 1.18 | 0.95 | 1.03 | 1.02 | 3.81 | 4.04 | 3.91 | |
| Western Pacific | Polar | 1 | 1.23 | 1.43 | 0.95 | 1.65 | 1.62 | 1.36 | 1.36 | 1.44 | 1.15 | 5.39 | 6.33 | 4.82 |
| Humid temperate | 43 | 1.05 | 1.13 | 1.01 | 1.35 | 1.38 | 1.32 | 1.22 | 1.26 | 1.22 | 4.38 | 4.53 | 4.36 | |
| Dry | 2 | 0.94 | 0.94 | 0.92 | 1.25 | 1.16 | 1.25 | 1.04 | 0.96 | 1.07 | 4.04 | 3.93 | 4.07 | |
| Humid tropical | 10 | 0.76 | 0.74 | 0.73 | 1.05 | 1.10 | 1.04 | 0.97 | 1.03 | 0.89 | 3.41 | 3.38 | 3.42 | |