Kolkata vs Ranchi: which is sunnier?
🇮🇳 India vs 🇮🇳 India · 328 km apart · long-term climate normals (NASA POWER, 2001–2020)
Ranchi is the sunnier overall: about 2,341 hours of sunshine a year to Kolkata's 2,164. Ranchi has the higher Sunshine Score in 5 of 12 months, Kolkata in 2 (5 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Kolkata | Ranchi | |
|---|---|---|
| Sunshine hours / year | 2,164 | 2,341 |
| Sunniest month | January (89/100) | November (91/100) |
| Nov–Feb average score | 88/100 | 91/100 |
| Jun–Aug average score | 64/100 | 61/100 |
| Rain / year | 1,719 mm | 1,348 mm |
| Peak midday UV | 9 (very high) | 9 (very high) |
Kolkata vs Ranchi month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Kolkata | Ranchi | Kolkata | Ranchi | Kolkata | Ranchi | |
| January | 89 | 90 | 25° | 22° | 12 | 14 |
| February | 87 | 90 | 31° | 26° | 22 | 16 |
| March | 60 | 89 | 35° | 32° | 34 | 21 |
| April | 33 | 44 | 38° | 37° | 55 | 30 |
| May | 38 | 32 | 36° | 38° | 161 | 67 |
| June | 64 | 52 | 32° | 34° | 256 | 212 |
| July | 64 | 65 | 31° | 29° | 370 | 347 |
| August | 64 | 65 | 31° | 28° | 338 | 312 |
| September | 64 | 65 | 30° | 27° | 266 | 228 |
| October | 64 | 77 | 30° | 26° | 165 | 86 |
| November | 86 | 91 | 28° | 24° | 29 | 7 |
| December | 89 | 91 | 25° | 21° | 11 | 8 |
The sunnier month by month: Jan even · Feb Ranchi · Mar Ranchi · Apr Ranchi · May Kolkata · Jun Kolkata · Jul even · Aug even · Sep even · Oct Ranchi · Nov Ranchi · Dec even.
When to pick which
- November–February: Ranchi (average score 91/100 vs 88). Kolkata is the warmer, around 27°C daytime highs vs 23°C. See the winter sun ranking.
- March–May: Ranchi (average score 55/100 vs 44). Daytime highs are similar (36°C vs 36°C).
- June–August: Kolkata (average score 64/100 vs 61). Daytime highs are similar (31°C vs 30°C).
- September–October: Ranchi (average score 71/100 vs 64). Kolkata is the warmer, around 30°C daytime highs vs 27°C.
Full month-by-month guides: Kolkata weather by month · Ranchi weather by month · Best time to visit India.
More comparisons: Kolkata vs Dhaka · Kolkata vs Bhubaneswar · Kolkata vs Cox's Bazar · Ranchi vs Patna · Ranchi vs Varanasi · Ranchi vs Bhubaneswar · all head-to-heads