The best time to visit is November-March. The weather is pleasant and serene, matching the nature of a typical trip to Palani. During mid-January to mid-February, you may be able to visit the temples during 'special Pooja' occasions centred around Thai-Poosam, the most important festival at Palani.
| Month | High/Low (°C) | Rain |
|---|---|---|
| January | 31°/ 18° | 2 days |
| February | 32°/ 19° | 0 days |
| March | 34°/ 21° | 9 days |
| April | 35°/ 22° | 12 days |
| May | 36°/ 24° | 23 days |
| June | 34°/ 23° | 11 days |
| July | 33°/ 23° | 11 days |
| August | 32°/ 23° | 12 days |
| September | 32°/ 22° | 21 days |
| October | 30°/ 21° | 31 days |
| November | 30°/ 21° | 23 days |
| December | 28°/ 20° | 6 days |