First-Class Batting and Fielding in Each Season by Josh Clarkson
| Season | | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| 2015-16 | (New Zealand) | 2 | 3 | 0 | 53 | 31 | 17.66 | 0 | 0 | 2 | |
| 2018-19 | (New Zealand) | 1 | 1 | 1 | 12 | 12* | | 0 | 0 | 0 | |
| 2020-21 | (New Zealand) | 4 | 7 | 0 | 89 | 35 | 12.71 | 0 | 0 | 3 | |
| 2021-22 | (New Zealand) | 3 | 3 | 0 | 114 | 83 | 38.00 | 0 | 1 | 1 | |
| 2022-23 | (New Zealand) | 5 | 10 | 2 | 417 | 119 | 52.12 | 1 | 2 | 5 | |
| 2023-24 | (Australia) | 1 | 2 | 0 | 6 | 6 | 3.00 | 0 | 0 | 1 | |
| 2023-24 | (New Zealand) | 7 | 11 | 0 | 292 | 83 | 26.54 | 0 | 2 | 4 | |
| 2024-25 | (New Zealand) | 5 | 7 | 2 | 348 | 166* | 69.60 | 2 | 0 | 1 | |
| 2025 | (Bangladesh) | 1 | 2 | 0 | 21 | 16 | 10.50 | 0 | 0 | 2 | |
| 2025-26 | (New Zealand) | 1 | 2 | 1 | 37 | 37* | 37.00 | 0 | 0 | 0 | |
| 2025-26 | (South Africa) | 2 | 3 | 0 | 60 | 28 | 20.00 | 0 | 0 | 1 | |