Kolkata, India Climate & Monthly Averages
The climate of Kolkata
Located in India, Kolkata experiences a tropical wet-and-dry climate with year-round warmth split between a rainy season and a pronounced dry season. Afternoon temperatures peak near 94°F (34°C) in May and dip to about 77°F (25°C) in January, with around 73.3 inches (1863 mm) of precipitation falling across the year.
Climate quick facts
- Hottest month: May - highs near 94°F (34°C)
- Coldest month: January - highs near 77°F (25°C)
- Record high: 110°F (44°C) · Record low: 48°F (9°C) (2015–2024)
- Wettest month: July (30 rainy days) · Sunniest: April (10.9 h sun/day)
- Climate type: tropical wet-and-dry - year-round warmth split between a rainy season and a pronounced dry season
Temperatures through the year
The warmest stretch of the year centers on May. Highs average 94°F (34°C) and overnight lows stay near 80°F (27°C). The coolest month is January, with typical highs of 77°F (25°C) and lows around 57°F (14°C). Based on 2015–2024 weather data, temperatures have reached as high as 110°F (44°C) and dropped as low as 48°F (9°C).
Rain, sun and snow
July is usually the wettest month. It brings about 15.8 inches (401 mm) of rain over 30 days, while January is the driest. April brings the most sunshine, averaging 10.9 hours of sun a day.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 77° | 57° | 2 | 0.7 in | 9.7 h/day | 72% |
| February | 84° | 63° | 2 | 1.0 in | 10.3 h/day | 68% |
| March | 91° | 71° | 6 | 1.5 in | 10.5 h/day | 68% |
| April | 96° | 78° | 9 | 3.1 in | 10.9 h/day | 71% |
| May | 94° | 80° | 14 | 5.7 in | 10.3 h/day | 77% |
| June | 92° | 81° | 22 | 9.2 in | 8.6 h/day | 82% |
| July | 89° | 80° | 30 | 15.8 in | 7.8 h/day | 86% |
| August | 88° | 79° | 29 | 15.2 in | 7.6 h/day | 87% |
| September | 88° | 79° | 26 | 11.6 in | 8.0 h/day | 87% |
| October | 87° | 75° | 14 | 7.1 in | 9.1 h/day | 83% |
| November | 84° | 67° | 2 | 1.3 in | 9.6 h/day | 74% |
| December | 78° | 60° | 2 | 1.2 in | 9.1 h/day | 73% |
Kolkata month by month
Kolkata weather in January
January brings highs around 77°F (25°C), lows near 57°F (14°C), about 2 wet days - typically the coldest month and the driest month of the year in Kolkata.
Kolkata weather in February
February brings highs around 84°F (29°C), lows near 63°F (17°C), about 2 wet days.
Kolkata weather in March
March brings highs around 91°F (33°C), lows near 71°F (22°C), about 6 wet days.
Kolkata weather in April
April brings highs around 96°F (36°C), lows near 78°F (25°C), about 9 wet days - typically the sunniest month of the year in Kolkata.
Kolkata weather in May
May brings highs around 94°F (34°C), lows near 80°F (27°C), about 14 wet days - typically the hottest month of the year in Kolkata.
Kolkata weather in June
June brings highs around 92°F (33°C), lows near 81°F (27°C), about 22 wet days.
Kolkata weather in July
July brings highs around 89°F (31°C), lows near 80°F (26°C), about 30 wet days - typically the wettest month of the year in Kolkata.
Kolkata weather in August
August brings highs around 88°F (31°C), lows near 79°F (26°C), about 29 wet days.
Kolkata weather in September
September brings highs around 88°F (31°C), lows near 79°F (26°C), about 26 wet days.
Kolkata weather in October
October brings highs around 87°F (31°C), lows near 75°F (24°C), about 14 wet days.
Kolkata weather in November
November brings highs around 84°F (29°C), lows near 67°F (19°C), about 2 wet days.
Kolkata weather in December
December brings highs around 78°F (26°C), lows near 60°F (16°C), about 2 wet days.
Seasons in Kolkata
March through May
March through May in Kolkata turns very hot, with daytime highs averaging 94°F (34°C) and nights around 76°F (25°C); expect showers on roughly 29 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
June through August
June through August in Kolkata is hot, with daytime highs averaging 90°F (32°C) and nights around 80°F (27°C); expect showers on roughly 81 days across the season.
September through November
September through November in Kolkata runs hot, with daytime highs averaging 86°F (30°C) and nights around 73°F (23°C); expect showers on roughly 43 days across the season.
December through February
December through February in Kolkata brings comfortable warmth, with daytime highs averaging 80°F (27°C) and nights around 60°F (15°C); precipitation is infrequent.
Climate questions, answered
What is the average temperature in Kolkata?
Is Kolkata hot in summer?
Is Kolkata cold in winter?
How many rainy days does Kolkata get in a year?
Best time to visit Kolkata
The best time to visit Kolkata is generally November to February, when these months combine the driest skies with the most comfortable heat. Daytime temperatures in that window typically sit near 81°F (27°C).
Pack for Kolkata with lightweight, breathable clothing and strong sun protection for the hot months; a compact umbrella or rain shell - showers are a regular feature; moisture-wicking fabrics to cope with the humidity. Evenings can feel noticeably cooler than afternoons - May nights average 80°F (27°C).
Kolkata temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.