The table below shows the minimum, maximum and average % Relative Humidity over the year in Perintalmanna.
| Parameter | Relative Humidity, % | Minimum | Maximum | Average | Stantard Deviation |
|---|---|---|---|---|
| January | 28.5 | 94.0 | 65.0 | ± 15.8 |
| February | 23.6 | 96.4 | 59.8 | ± 17.9 |
| March | 25.7 | 97.0 | 67.4 | ± 19.7 |
| April | 34.9 | 99.1 | 76.7 | ± 16.8 |
| May | 52.8 | 99.1 | 88.2 | ± 11.2 |
| June | 74.8 | 99.4 | 96.5 | ± 3.0 |
| July | 73.8 | 99.2 | 95.5 | ± 4.1 |
| August | 69.5 | 99.5 | 94.1 | ± 6.0 |
| September | 49.1 | 99.2 | 82.4 | ± 13.0 |
| October | 38.9 | 99.0 | 85.9 | ± 13.2 |
| November | 41.8 | 97.4 | 77.6 | ± 14.4 |
| December | 36.3 | 97.5 | 76.1 | ± 14.4 |
The graph below shows the minimum, maximum and average % Relative Humidity by month in Perintalmanna.
The graph below shows the diurnal variation (day and night) % Relative Humidity by month in Perintalmanna.