13Β° to 26Β°
Cool & Sunny
The coldest month of the year, sunny and pleasant by day, though nights can occasionally dip below 10Β°C.
π§₯ Light sweater for eveningsβοΈ Sunscreen
17Β° to 29Β°
Warm & Pleasant
Noticeably milder than January, with plenty of sunshine and comfortable days.
βοΈ Sunscreenπ§₯ Light layers
22Β° to 34Β°
Heat Arrives
The pre-monsoon heat sets in fast, still dry but noticeably hotter than winter.
βοΈ Sunscreenπ₯΅ Heat building
24Β° to 36Β°
Very Hot
Daytime highs regularly push past 36Β°C, with the occasional afternoon storm.
π₯΅ Heat protectionβ Light rain jacket
26Β° to 36Β°
Hottest Month
The hottest month of the year, humid and increasingly wet as the monsoon approaches.
π₯΅ Extreme heatβ Umbrella handy
27Β° to 34Β°
Monsoon Breaks
The rainy season begins in earnest, hot, muggy, and increasingly cloudy.
β Umbrella essentialπ₯΅ Stay hydrated
26Β° to 33Β°
Peak Monsoon
Among the wettest, cloudiest months of the year, with the least sunshine of the whole year.
β Heavy rain gearπ Least sunshine of the year
26Β° to 33Β°
Deep Monsoon
Still very wet and overcast, nearly as rainy as July.
β Heavy rain gearπ§ Stay hydrated
26Β° to 33Β°
Monsoon Lingers
Rain remains frequent and heavy, with humidity staying high.
β Umbrella handyπ§ Still humid
24Β° to 32Β°
Rains Ease
The wettest part of the monsoon passes, with noticeably more sunshine returning by the month's end.
π
Durga Puja, dates vary each year
Kolkata's biggest festival by far, a UNESCO-recognized ten-day celebration with thousands of elaborate pandals built across the city to honor the goddess Durga. Falling on the Hindu lunar calendar, it usually lands in September or October, and the city gets extremely busy during it.
β Umbrella handyβοΈ Sun returning
19Β° to 30Β°
Pleasant Lull
A genuinely good stretch of weather between the monsoon and winter, though a late-season cyclone can occasionally pass through.
π§₯ Light layersπ Slight cyclone risk
14Β° to 27Β°
Cool & Clear
Dry, sunny, and mild, with the coolest, most comfortable weather of the year settling in.
π§₯ Light sweater for eveningsβοΈ Sunscreen
β
β
β
peak season, β
β
β decent shoulder months, β
ββ true off-peak, based on rain frequency, heat, and haze.
Frequently asked questions
When is monsoon season in Kolkata?›
Kolkata's monsoon season runs roughly from June through September, with July and August historically tied as the wettest months, each averaging around 345mm of rain across 17 days.
What is the best time of year to visit Kolkata?›
Mid-December through February is historically Kolkata's most comfortable stretch, sunny and pleasantly warm, largely free of both the summer heat and the monsoon's rain.
What is the least favorable time to visit Kolkata?›
July is historically among the wettest, cloudiest months of the year and brings the least sunshine of the entire year.
Which month has the most rain in Kolkata?›
July and August are historically tied as the wettest months, each averaging around 345mm of rain.
Which month is the driest in Kolkata?›
December is historically the driest month, averaging around 10mm of rain.
How hot does Kolkata get?›
May is historically the hottest month of the year.
What should I pack for Kolkata during the rainy season?›
An umbrella and rain gear are worth having from around June through September, when the monsoon brings the bulk of the year's rain.
Does cyclone risk affect Kolkata?›
Storms from the Bay of Bengal can historically affect the city from April to December, with the sharpest risk from late April to early June and again in October and November.
Is there a major festival worth planning around in Kolkata?›
Durga Puja, Kolkata's biggest festival, a UNESCO-recognized ten-day celebration with thousands of elaborate pandals, usually lands in September or October on the Hindu lunar calendar, and the city gets extremely busy during it.
Does Kolkata flood?›
The city sits in the Ganges-Brahmaputra delta, and its river, the Hooghly, is prone to flooding during heavy monsoon rain.