Guwahati vs Sylhet: which is sunnier?
🇮🇳 India vs 🇧🇩 Bangladesh · 130 km apart · long-term climate normals (NASA POWER, 2001–2020)
Sylhet is the sunnier overall: about 2,257 hours of sunshine a year to Guwahati's 2,129. Sylhet has the higher Sunshine Score in 6 of 12 months, Guwahati in 1 (5 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Guwahati | Sylhet | |
|---|---|---|
| Sunshine hours / year | 2,129 | 2,257 |
| Sunniest month | January (90/100) | January (90/100) |
| Nov–Feb average score | 89/100 | 88/100 |
| Jun–Aug average score | 49/100 | 65/100 |
| Rain / year | 2,012 mm | 3,707 mm |
| Peak midday UV | 8 (very high) | 8 (very high) |
Guwahati vs Sylhet month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Guwahati | Sylhet | Guwahati | Sylhet | Guwahati | Sylhet | |
| January | 90 | 90 | 23° | 23° | 7 | 11 |
| February | 87 | 86 | 27° | 26° | 21 | 34 |
| March | 80 | 74 | 31° | 31° | 59 | 98 |
| April | 57 | 65 | 33° | 32° | 230 | 377 |
| May | 51 | 65 | 34° | 32° | 286 | 540 |
| June | 45 | 65 | 35° | 31° | 374 | 701 |
| July | 51 | 65 | 34° | 31° | 364 | 693 |
| August | 51 | 65 | 34° | 31° | 286 | 545 |
| September | 57 | 65 | 33° | 31° | 228 | 432 |
| October | 66 | 65 | 31° | 30° | 135 | 231 |
| November | 89 | 88 | 27° | 27° | 14 | 24 |
| December | 90 | 88 | 24° | 24° | 8 | 21 |
The sunnier month by month: Jan even · Feb even · Mar Guwahati · Apr Sylhet · May Sylhet · Jun Sylhet · Jul Sylhet · Aug Sylhet · Sep Sylhet · Oct even · Nov even · Dec even.
When to pick which
- November–February: too close to call — Guwahati averages 89/100, Sylhet 88/100. Daytime highs are similar (25°C vs 25°C). See the winter sun ranking.
- March–May: Sylhet (average score 68/100 vs 63). Daytime highs are similar (33°C vs 32°C).
- June–August: Sylhet (average score 65/100 vs 49). Guwahati is the warmer, around 34°C daytime highs vs 31°C.
- September–October: Sylhet (average score 65/100 vs 62). Daytime highs are similar (32°C vs 31°C).
Full month-by-month guides: Guwahati weather by month · Sylhet weather by month · Best time to visit India · Best time to visit Bangladesh.
More comparisons: Guwahati vs Lhasa · Guwahati vs Imphal · Guwahati vs Saidpur · Sylhet vs Dhaka · Sylhet vs Chattogram (Chittagong) · Sylhet vs Imphal · all head-to-heads