January in Kolkata — the year's strongest window
Best window · 8.8/10January averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rain is a non-issue at 14 mm for the month, with about 8 sunny days and 10.8 hours of daylight to work with.
On our climate-comfort scale this is the top-ranked month of the year for Kolkata at 8.8/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening.
February in Kolkata — the year's strongest window
Best window · 9.3/10February averages 22°C (71°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 24 mm of rain — occasional showers rather than washed-out days — alongside about 14 sunny days and 11.2 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Kolkata at 9.3/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, swimwear and real sun protection.
March in Kolkata — reliably good (5th best month)
Good · 7.8/10March averages 27°C (81°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Expect 33 mm of rain — occasional showers rather than washed-out days — alongside about 20 sunny days and 11.8 daylight hours.
It scores 7.8/10 here, 5th of 12 months, against 9.3/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
If your dates are flexible, February is materially better in Kolkata — 1.5 points higher on the same scale.
April in Kolkata — workable with trade-offs
Trade-offs · 6.9/10April averages 32°C (90°F) — genuinely punishing heat. Anything outdoors needs to happen before 10am.
Expect 22 mm of rain — occasional showers rather than washed-out days — alongside about 25 sunny days and 12.5 daylight hours.
It scores 6.9/10 here, 6th of 12 months, against 9.3/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
If your dates are flexible, February is materially better in Kolkata — 2.4 points higher on the same scale.
May in Kolkata — the hardest end of the year
Hardest · 3.5/10May averages 32°C (89°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 179 mm this is a genuinely wet month: about 24 sunny days in total, and outdoor plans need an indoor fallback.
It scores 3.5/10 here, 8th of 12 months, against 9.3/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, February is materially better in Kolkata — 5.8 points higher on the same scale.
June in Kolkata — the hardest end of the year
Hardest · 3.2/10June averages 31°C (87°F) with humidity around 76%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 149 mm this is a genuinely wet month: about 17 sunny days in total, and outdoor plans need an indoor fallback.
It scores 3.2/10 here, 9th of 12 months, against 9.3/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, February is materially better in Kolkata — 6.1 points higher on the same scale.
July in Kolkata — the hardest end of the year
Hardest · 2.5/10July averages 29°C (85°F) with humidity around 85%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
253 mm of rain puts this in monsoon territory — about 18 sunny days across the whole month, and multi-day washouts are normal.
It scores 2.5/10 here, 10th of 12 months, against 9.3/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, February is materially better in Kolkata — 6.8 points higher on the same scale.
August in Kolkata — the hardest end of the year
Hardest · 2.3/10August averages 29°C (83°F) with humidity around 88%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
371 mm of rain puts this in monsoon territory — about 12 sunny days across the whole month, and multi-day washouts are normal.
It scores 2.3/10 here, 11th of 12 months, against 9.3/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, February is materially better in Kolkata — 7 points higher on the same scale.
September in Kolkata — the hardest end of the year
Hardest · 2.3/10September averages 28°C (83°F) with humidity around 90%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
322 mm of rain puts this in monsoon territory — about 13 sunny days across the whole month, and multi-day washouts are normal.
It scores 2.3/10 here, 12th of 12 months, against 9.3/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, February is materially better in Kolkata — 7 points higher on the same scale.
October in Kolkata — the hardest end of the year
Hardest · 3.7/10October averages 27°C (80°F) with humidity around 86%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
At 170 mm this is a genuinely wet month: about 14 sunny days in total, and outdoor plans need an indoor fallback.
It scores 3.7/10 here, 7th of 12 months, against 9.3/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, February is materially better in Kolkata — 5.6 points higher on the same scale.
November in Kolkata — the year's strongest window
Best window · 8.8/10November averages 22°C (72°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rain is a non-issue at 5 mm for the month, with about 12 sunny days and 10.9 hours of daylight to work with.
On our climate-comfort scale this is the top-ranked month of the year for Kolkata at 8.8/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, swimwear and real sun protection.
December in Kolkata — the year's strongest window
Best window · 8.7/10December averages 18°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Expect 17 mm of rain — occasional showers rather than washed-out days — alongside about 9 sunny days and 10.6 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Kolkata at 8.7/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here.
Pack layers you can shed by midday plus one warm layer for the evening.
