The table below shows the minimum, maximum and average % Relative Humidity over the year in Ariyalur.
| Parameter | Relative Humidity, % | Minimum | Maximum | Average | Stantard Deviation |
|---|---|---|---|---|
| January | 44.0 | 97.7 | 73.2 | ± 14.5 |
| February | 39.3 | 96.6 | 72.8 | ± 16.5 |
| March | 37.0 | 97.3 | 73.5 | ± 17.6 |
| April | 41.3 | 97.3 | 74.2 | ± 15.7 |
| May | 44.0 | 97.5 | 74.9 | ± 13.4 |
| June | 37.5 | 96.6 | 70.0 | ± 13.2 |
| July | 36.7 | 95.1 | 65.5 | ± 13.2 |
| August | 35.9 | 93.8 | 65.2 | ± 13.9 |
| September | 29.3 | 96.6 | 69.2 | ± 16.4 |
| October | 45.2 | 98.2 | 81.8 | ± 13.0 |
| November | 42.0 | 98.8 | 81.6 | ± 13.0 |
| December | 44.2 | 97.0 | 78.1 | ± 13.0 |
The graph below shows the minimum, maximum and average % Relative Humidity by month in Ariyalur.
The graph below shows the diurnal variation (day and night) % Relative Humidity by month in Ariyalur.