Bengaluru vs Chennai: which is sunnier?
🇮🇳 India vs 🇮🇳 India · 268 km apart · long-term climate normals (NASA POWER, 2001–2020)
Bengaluru is the sunnier overall: about 2,860 hours of sunshine a year to Chennai's 2,636. Bengaluru has the higher Sunshine Score in 9 of 12 months, Chennai in 1 (2 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
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At a glance
| Bengaluru | Chennai | |
|---|---|---|
| Sunshine hours / year | 2,860 | 2,636 |
| Sunniest month | January (96/100) | February (93/100) |
| Nov–Feb average score | 93/100 | 81/100 |
| Jun–Aug average score | 78/100 | 60/100 |
| Rain / year | 844 mm | 1,253 mm |
| Peak midday UV | 12 (extreme) | 11 (extreme) |
Bengaluru vs Chennai month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Bengaluru | Chennai | Bengaluru | Chennai | Bengaluru | Chennai | |
| January | 96 | 92 | 28° | 28° | 2 | 16 |
| February | 95 | 93 | 32° | 30° | 5 | 6 |
| March | 65 | 73 | 35° | 34° | 17 | 15 |
| April | 60 | 54 | 35° | 36° | 57 | 26 |
| May | 76 | 51 | 32° | 36° | 110 | 55 |
| June | 82 | 57 | 29° | 35° | 76 | 68 |
| July | 78 | 60 | 28° | 34° | 100 | 108 |
| August | 75 | 63 | 27° | 33° | 113 | 132 |
| September | 68 | 68 | 27° | 32° | 152 | 145 |
| October | 70 | 67 | 27° | 30° | 141 | 264 |
| November | 86 | 67 | 26° | 29° | 56 | 292 |
| December | 93 | 71 | 26° | 28° | 15 | 126 |
The sunnier month by month: Jan Bengaluru · Feb even · Mar Chennai · Apr Bengaluru · May Bengaluru · Jun Bengaluru · Jul Bengaluru · Aug Bengaluru · Sep even · Oct Bengaluru · Nov Bengaluru · Dec Bengaluru.
When to pick which
- November–February: Bengaluru (average score 93/100 vs 81). Daytime highs are similar (28°C vs 29°C). See the winter sun ranking.
- March–May: Bengaluru (average score 67/100 vs 59). Daytime highs are similar (34°C vs 35°C).
- June–August: Bengaluru (average score 78/100 vs 60). Chennai is the warmer, around 34°C daytime highs vs 28°C.
- September–October: too close to call — Bengaluru averages 69/100, Chennai 68/100. Chennai is the warmer, around 31°C daytime highs vs 27°C.
Full month-by-month guides: Bengaluru weather by month · Chennai weather by month · Best time to visit India.
More comparisons: Bengaluru vs Hyderabad · Bengaluru vs Coimbatore · Bengaluru vs Tiruchirappalli · Chennai vs Vijayawada · Chennai vs Tiruchirappalli · all head-to-heads