Kolkata weather by month & the best time to visit
🇮🇳 India · major city break · tropical — wet & dry seasons climate
The best time to visit Kolkata is January — its sunniest month (Sunshine Score 89/100), with December and February close behind. Kolkata averages about 2,164 hours of sunshine a year. Daytime highs around 25°C / 77°F and roughly 12 mm of rain in January.
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- Sun hours / year
- 2,164
- Sunniest month
- January
- Peak score
- 89/100
- Rain / year
- 1,719 mm
- Midday UV at peak
- 9 (very high)
- Population
- 14.8M
- Elevation
- 5 m

When is the best time to visit Kolkata?
For sunshine, the best time to visit Kolkata is January, then December and February. The dullest month is April (33/100, 55 mm of rain). The full month-by-month picture is in the table below.
How sunny is Kolkata?
Kolkata gets a moderate 2,164 hours of sunshine a year. 56 Sunshine Score points separate January (89) from April (33), so the month you pick matters. It ranks #104 of 112 destinations in India for annual sunshine, below the national median of 2,654 hours. Rain has a clear season: the wettest stretch, around August, carries about 57% of the annual 1,719 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 89 | 25° / 77°F | 11° / 52°F | 12 mm | 5 |
| February | 87 | 31° / 88°F | 15° / 59°F | 22 mm | 7 |
| March | 60 | 35° / 95°F | 20° / 68°F | 34 mm | 8 |
| April | 33 | 38° / 100°F | 24° / 75°F | 55 mm | 9 |
| May | 38 | 36° / 97°F | 26° / 79°F | 161 mm | 9 |
| June | 64 | 32° / 90°F | 27° / 81°F | 256 mm | 7 |
| July | 64 | 31° / 88°F | 26° / 79°F | 370 mm | 8 |
| August | 64 | 31° / 88°F | 26° / 79°F | 338 mm | 8 |
| September | 64 | 30° / 86°F | 25° / 77°F | 266 mm | 8 |
| October | 64 | 30° / 86°F | 23° / 73°F | 165 mm | 7 |
| November | 86 | 28° / 82°F | 17° / 63°F | 29 mm | 6 |
| December | 89 | 25° / 77°F | 12° / 54°F | 11 mm | 4 |
See Kolkata on the interactive sunshine globe →
Nearby places for sunshine
- Dhaka Bangladesh · 239 km · best in Jan · 2,130 h sun/yr
- Ranchi India · 328 km · best in Nov · 2,341 h sun/yr
- Saidpur Bangladesh · 348 km · best in Jan · 2,219 h sun/yr
- Chattogram (Chittagong) Bangladesh · 349 km · best in Jan · 2,518 h sun/yr
- Bhubaneswar India · 382 km · best in Jan · 2,342 h sun/yr
- Cox's Bazar Bangladesh · 386 km · best in Jan · 2,418 h sun/yr
Nearest destinations
- Jessore Bangladesh · 94 km · 2,205 h sun/yr · best in Jan
- Durgapur India · 164 km · 2,245 h sun/yr · best in Jan
- Barisal Bangladesh · 191 km · 2,105 h sun/yr · best in Jan
- Rajshahi Bangladesh · 199 km · 2,155 h sun/yr · best in Jan
- Deoghar India · 267 km · 2,399 h sun/yr · best in Nov
Head-to-head
How Kolkata compares month by month: Kolkata vs Dhaka · Kolkata vs Ranchi · Kolkata vs Bhubaneswar · Kolkata vs Cox's Bazar · all comparisons
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