| Month | Max Temp C | Av Temp C | Min Temp C | Rainfall(mm) | Sunshine (hrs) | |
|---|---|---|---|---|---|---|
| January | 11.6 | 9.1 | 6.7 | 94 | 60.7 | Details |
| February | 12.3 | 8.6 | 4.9 | 24 | 146.5 | Details |
| March | 10.4 | 8.7 | 7.1 | 69 | 102.6 | Details |
| April | 14.9 | 11.2 | 7.6 | 60.5 | 173.9 | Details |
| May | 21.1 | 16.0 | 10.9 | 118 | 211.8 | Details |
| June | 22.0 | 16.6 | 11.3 | 56 | 232.1 | Details |
| July | 22.5 | 18.7 | 13.1 | 58.5 | 251.9 | Details |
| August | 21.3 | 17.4 | 13.6 | 65 | 116.9 | Details |
| September | 19.8 | 14.7 | 9.5 | 69 | 145.9 | Details |
| October | 14.8 | 11.0 | 7.2 | 59.5 | 134.6 | Details |
| November | 10.5 | 7.9 | 5.2 | 88.5 | 50.6 | Details |
| December | 6.6 | 4.0 | 1.4 | 51.5 | 94.5 | Details |
| Average / Total | 15.6 | 12.0 | 8.2 | 811.5 | 1722.0 | |
| Maximum | 22.5 | 18.7 | 13.6 | 118.0 | 251.9 | |
| Minimum | 6.6 | 4.0 | 1.4 | 24.0 | 50.6 |
Measurements made at 488 Bitterne Road East, Bitterne (SU 454129)