A paradise called Andaman Islands
Though officially Indian, the Andamans are nearer Myanmar, Indonesia, and Thailand, resulting in amazing, budget-friendly white-sand beaches.
Kolkata Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kolkata.
–
Climate overview of Kolkata
The monsoon season runs from June through September. Most rain falls in the city during this period. Due to the huge density of the city, it also suffers from a huge smog problem. The best time of year to visit Kolkata is from November until March.
Kolkata Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kolkata - and find the best time to visit.
Monthly Temperature in Kolkata
In Kolkata, seasonal changes bring about a moderate variation in temperatures. Average maximum daytime temperatures range from a very hot 37°C (99°F) in April, the warmest time of the year, to a comfortable 27°C (81°F) during cooler months like January.
At night, you can expect temperatures ranging from 28°C (82°F) in April to around 14°C (57°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kolkata
Kolkata is known for its substantial rainfall, with annual precipitation reaching 1675 mm (66 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives heavy rainfall, averaging 354 mm (14 in) of precipitation, recorded across 15 rainy days. In contrast, the driest month December brings less rainfall, with 10 mm (0.4 in) over 0 rainy days. For more details, please visit our Kolkata Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Kolkata
Seasonal changes in sunshine hours are quite dramatic in Kolkata. While April receives considerable daily sunshine with up to 8.0 hours, July marks the darkest time of the year, where sunshine is scarce with only 3.5 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Calcutta, India (12 KM, 7 Miles).
Daily hours of sunshine
Data from: Calcutta, India (12 KM, 7 Miles).
Water Temperature in Kolkata
The mean water temperature over the year ranges from 24°C (75°F) in January to 29°C (84°F) in June.
Water temperature over the year
Data from: Calcutta, India (12 KM, 7 Miles).
Humidity in Kolkata by Month
The relative humidity is high throughout the year in Kolkata.
The city experiences its highest humidity in July, reaching 83%. In March, the humidity drops to its lowest level at 51%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Calcutta, India (12 KM, 7 Miles).
Wind Speed in Kolkata
The average wind speed over the year ranges from () to 2 m/s (4 knots). It is lower in January, October, November and December and higher in April and May. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Calcutta, India (12 KM, 7 Miles).
Best Time to Visit Kolkata
For comfortable weather, consider visiting Kolkata in January and December. Conditions are usually least favourable in March, April, May, June, July, August, September and October.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
very good
Mar
very hot
Apr
very hot
May
very hot
Jun
very wet
Jul
very wet
Aug
very wet
Sep
very wet
Oct
wet
Nov
very good
Dec
excellent
- Best overall: January and December
- Warmest weather: April and May
- Most sunshine: April
- Fewer rainy days: January, February, March, November and December
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
- Wettest months: June, July, August and September, when rainfall is highest.
- Seasonal pattern: Distinct dry (November to March) and wet (June to September) seasons
Frequently asked questions about the climate in Kolkata
What is the best time to visit Kolkata?
January and December typically offer the most optimal weather in Kolkata. In contrast, March, April, May, June, July, August, September and October tend to have less optimal conditions. Kolkata has distinct dry (November to March) and wet (June to September) seasons.
What temperatures can I expect in Kolkata?
Daytime highs range from 27°C (81°F) in January to 37°C (99°F) in April. Nighttime lows range from 14°C (57°F) to 28°C (82°F).
How much rain does Kolkata get?
Annual rainfall is around 1675 mm (66 in). July is the wettest month with 354 mm (14 in), while December is the driest with 10 mm (0.4 in).
How sunny is Kolkata?
Kolkata receives around 2,222 hours of sunshine per year. April is the sunniest month with 241 hours, while July is the cloudiest with just 106 hours. Overall, Kolkata enjoys abundant sunshine.
Kolkata 3-Day Forecast
Kolkata on the map
Kolkata is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
New Delhi
34°C (93°F) Gurugram34°C (93°F) Jaipur35°C (95°F) Mumbai
32°C (90°F) Hyderabad31°C (88°F) Chennai
32°C (90°F) Bengaluru
29°C (84°F) Kochi29°C (84°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
A paradise called Andaman Islands
The 5 most beautiful monasteries in Ladakh
Explore Ladakh's spiritual essence through its incredible Buddhist monasteries. See architectural wonders, rich traditions, and serene landscapes in this guide.
Sleeping under the stars and riding camels in Rajasthan
A desert safari in Jaisalmer is definitely one of the highlights during a visit to India. Spending a night in the desert is a great adventurous bucket list experience.
Avoid mass tourism on an eco boat in the backwaters of Kerala
We can tell you now how you can avoid being surrounded by tourists and at the same time minimize your impact on the environment.