The table below shows the minimum, maximum and average cloud cover, 10th over the year in Tirunelveli.
The table below shows the minimum, maximum and average Cloud Cover by month in Tirunelveli.
| Parameter | Cloud Cover, /10th | Minimum | Maximum | Average | Stantard Deviation |
|---|---|---|---|---|
| January | 0.0 | 10.0 | 5.1 | ± 3.5 |
| February | 0.0 | 10.0 | 2.9 | ± 3.0 |
| March | 0.0 | 10.0 | 5.3 | ± 3.7 |
| April | 0.1 | 10.0 | 6.1 | ± 3.0 |
| May | 1.1 | 10.0 | 8.5 | ± 2.3 |
| June | 4.3 | 10.0 | 9.1 | ± 1.2 |
| July | 1.0 | 10.0 | 8.6 | ± 2.2 |
| August | 0.6 | 10.0 | 8.9 | ± 1.9 |
| September | 0.1 | 10.0 | 7.4 | ± 3.1 |
| October | 1.5 | 10.0 | 8.4 | ± 2.0 |
| November | 0.0 | 10.0 | 7.5 | ± 2.7 |
| December | 0.2 | 10.0 | 7.3 | ± 2.9 |
The graph below shows the minimum, maximum and average Cloud Cover by month in Tirunelveli.