Chennai vs Tiruchirappalli: which is sunnier?
🇮🇳 India vs 🇮🇳 India · 294 km apart · long-term climate normals (NASA POWER, 2001–2020)
Tiruchirappalli is the sunnier overall: about 2,755 hours of sunshine a year to Chennai's 2,636. Chennai has the higher Sunshine Score in 4 of 12 months, Tiruchirappalli in 2 (6 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Chennai | Tiruchirappalli | |
|---|---|---|
| Sunshine hours / year | 2,636 | 2,755 |
| Sunniest month | February (93/100) | January (94/100) |
| Nov–Feb average score | 81/100 | 80/100 |
| Jun–Aug average score | 60/100 | 62/100 |
| Rain / year | 1,253 mm | 830 mm |
| Peak midday UV | 11 (extreme) | 11 (extreme) |
Chennai vs Tiruchirappalli month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Chennai | Tiruchirappalli | Chennai | Tiruchirappalli | Chennai | Tiruchirappalli | |
| January | 92 | 94 | 28° | 31° | 16 | 9 |
| February | 93 | 75 | 30° | 34° | 6 | 8 |
| March | 73 | 46 | 34° | 37° | 15 | 16 |
| April | 54 | 36 | 36° | 38° | 26 | 34 |
| May | 51 | 49 | 36° | 36° | 55 | 76 |
| June | 57 | 62 | 35° | 35° | 68 | 40 |
| July | 60 | 59 | 34° | 35° | 108 | 59 |
| August | 63 | 64 | 33° | 34° | 132 | 84 |
| September | 68 | 61 | 32° | 34° | 145 | 104 |
| October | 67 | 68 | 30° | 32° | 264 | 163 |
| November | 67 | 68 | 29° | 29° | 292 | 170 |
| December | 71 | 83 | 28° | 29° | 126 | 67 |
The sunnier month by month: Jan even · Feb Chennai · Mar Chennai · Apr Chennai · May even · Jun Tiruchirappalli · Jul even · Aug even · Sep Chennai · Oct even · Nov even · Dec Tiruchirappalli.
When to pick which
- November–February: too close to call — Chennai averages 81/100, Tiruchirappalli 80/100. Tiruchirappalli is the warmer, around 31°C daytime highs vs 29°C. See the winter sun ranking.
- March–May: Chennai (average score 59/100 vs 44). Tiruchirappalli is the warmer, around 37°C daytime highs vs 35°C.
- June–August: too close to call — Chennai averages 60/100, Tiruchirappalli 62/100. Daytime highs are similar (34°C vs 35°C).
- September–October: Chennai (average score 68/100 vs 65). Tiruchirappalli is the warmer, around 33°C daytime highs vs 31°C.
Full month-by-month guides: Chennai weather by month · Tiruchirappalli weather by month · Best time to visit India.
More comparisons: Chennai vs Bengaluru · Chennai vs Vijayawada · Tiruchirappalli vs Bengaluru · Tiruchirappalli vs Coimbatore · Tiruchirappalli vs Kochi · all head-to-heads