Kolkata

India · 22.57°, 88.36° · 7 models compared

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Model comparison

Model accuracy leaderboard

last 30 days · daily high · vs ERA5

Over the last 30 days, ECMWF IFS was closest for Kolkata (avg error 1.2°).

1ECMWF IFS
1.2° err
2JMA GSM/MSM
1.3° err
3ICON
1.3° err
4ARPEGE/AROME
1.6° err
5GEM
1.6° err
6UKMO
1.9° err
7GFS
3.3° err

Lower error is better. We compare each model's past forecasts against what actually happened (ERA5 reanalysis). See the methodology.

Ensemble uncertainty

Best-day planner

On this day

Air quality

Sky tonight

Waxing crescent
44% illuminated
Climate report

Kolkata's climate, by the numbers

1991–2020 normals from the ERA5 reanalysis archive.

Temperature & rainfall by month

Jan13°–25°
Feb17°–29°
Mar22°–33°
Apr25°–35°
May27°–35°
Jun27°–33°
Jul26°–31°
Aug26°–31°
Sep25°–31°
Oct23°–30°
Nov19°–28°
Dec15°–26°

Bar spans the average low to average high. Wettest month: 356 mm.

Weather DNA

Kolkata's unique climate fingerprint

Rainfall by month

Jan13 mm
Feb23 mm
Mar29 mm
Apr68 mm
May125 mm
Jun268 mm
Jul356 mm
Aug307 mm
Sep254 mm
Oct138 mm
Nov29 mm
Dec11 mm

Average monthly rainfall (1991–2020).

Kolkata has a hot climate with mild seasonal change. Across the year the average temperature sits around 26.3°C, peaking in May and bottoming out in January.

Rain is spread fairly evenly through the year, totalling about 1620 mm. July is typically the wettest month and December the driest, but there's no single dominant rainy season.

It's a sunny place overall, with roughly 3461 hours of sunshine a year — worth keeping in mind when you compare it against other cities on Climify.

Records

Hottest
42° 2004-05-20
Coldest
1997-01-26
Wettest day
155 mm 2011-06-17

Warming trend

+ 0°C vs 1961–1990
1960s26°
1970s+0.1°26°
1980s0.0°26°
1990s−0.1°26°
2000s0.0°26°
2010s+0.2°27°
2020s0.0°26°

Change versus the 1960s, the earliest decade on record.

Kolkata weather — FAQ

Which weather model is most accurate for Kolkata? +

Climify backtests all seven models against what actually happened over the last 30 days (ERA5 reanalysis) and ranks them by average error for Kolkata specifically. The live leaderboard on this page shows the current ranking.

What is the climate of Kolkata like? +

Kolkata has a hot climate with mild seasonal change. Across the year the average temperature sits around 26.3°C, peaking in May and bottoming out in January. Rain is spread fairly evenly through the year, totalling about 1620 mm. July is typically the wettest month and December the driest, but there's no single dominant rainy season. It's a sunny place overall, with roughly 3461 hours of sunshine a year — worth keeping in mind when you compare it against other cities on Climify.

How hot does Kolkata get? +

The hottest temperature on record for Kolkata in the ERA5 archive is 42° (2004-05-20). The warmest month on average is May.

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