Fraga tiene un clima mediterráneo-continental con temperaturas medias anuales de 14,7º y medias de precipitación de 384 mm, recogidos en primavera y, sobre todo, en otoño.
| Fecha | Pluviometría | Temperatura Máx. | Temperatura Min. |
|---|---|---|---|
| 16 September 1990 | 0 | 17 | 28 |
| 15 September 1990 | 3,2 | 21,5 | 32 |
| 14 September 1990 | 0 | 20,5 | 33 |
| 13 September 1990 | 0 | 19 | 32,5 |
| 12 September 1990 | 0 | 21 | 29,5 |
| 11 September 1990 | 0 | 18 | 35,5 |
| 10 September 1990 | 0 | 17,5 | 32 |
| 9 September 1990 | 0 | 18 | 29 |
| 8 September 1990 | 0,5 | 17 | 24,5 |
| 7 September 1990 | 0 | 17 | 29 |
| 6 September 1990 | 0 | 18 | 34,5 |
| 5 September 1990 | 0 | 18,5 | 34 |
| 4 September 1990 | 0 | 19,5 | 33 |
| 3 September 1990 | 0 | 18,5 | 33,5 |
| 2 September 1990 | 0 | 16,5 | 31,5 |
| 1 September 1990 | 0 | 14 | 27,5 |
| 31 August 1990 | 0 | 13 | 26,5 |
| 30 August 1990 | 0 | 22 | 28,5 |
| 29 August 1990 | 0 | 21 | 32,5 |
| 28 August 1990 | 0 | 19 | 34 |
