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.
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 |
Nearest destinations
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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
Kolkata: questions and answers
What kind of destination is Kolkata?
Kolkata is a major city break in India with a tropical — wet & dry seasons climate.
How many hours of sunshine does Kolkata get a year?
Kolkata gets about 2,164 hours of sunshine a year, at its best around January.
When is the best time to visit Kolkata?
The sunniest time to visit Kolkata is January, when the Sunshine Score peaks at 89/100 (with December and February close behind). Expect daytime highs around 25°C / 77°F.
What is the least sunny month in Kolkata?
April is the least sunny month in Kolkata, scoring 33/100 with about 55 mm of rain.
How strong is the sun in Kolkata?
The typical midday UV index in Kolkata peaks around 9 (very high) in April, easing to about 4 (moderate) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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