| Tunis | Nabeul | SB | Béja | Gabes | Bizerte | Monastir | |
| Tmin (˚C) | 13.4 | 15.1 | 12.5 | 10.8 | 162 | 13.1 | 15.2 |
| Tmax˚C | 23.5 | 22.7 | 25.3 | 239 | 243 | 22.6 | 24.0 |
| U2 (m/s) | 4.2 | 3.0 | 2.8 | 42 | 34 | 3.9 | 4.5 |
| es (mb) | 2.3 | 2.4 | 2.5 | 23 | 26 | 2.2 | 2.5 |
| Ra (Mj/m2/day) | 29.3 | 29.3 | 30.3 | 296 | 303 | 29.2 | 29.6 |
| N (h/day) | 5.0 | 12.0 | 12.0 | 120 | 12.0 | 12.0 | 12.0 |
| HR (%) | 68.9 | 72.4 | 59.0 | 650 | 63.0 | 70.8 | 66.0 |
| n (h/month) | 238.3 | 213.5 | 229.2 | 2048 | 265.0 | 242.2 | 223.5 |
| Rainfall (P, mm/year) | 449.7 | 468.1 | 251.8 | 628.3 | 190.1 | 634.6 | 328.1 |