Kollam Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kollam.
Climate overview of Kollam
With consistently stable weather, Kollam, Kerala, India, sees little seasonal temperature change. Daytime highs average 31°C (88°F), ranging from 32°C (90°F) in March to 29°C (84°F) in August.
Rainfall is high, totalling around 2244 mm (88 in) per year. June is the wettest month and January the driest. The city also experiences distinct dry (January to February) and wet (May to November) seasons. January is the sunniest month, averaging 8.8 hours of sunshine per day.
Kollam Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kollam — and find the best time to visit.
Monthly Temperature in Kollam
The climate in Kollam remains fairly constant, offering very warm temperatures throughout the year. Average maximum daytime temperatures range from a very warm 32°C (90°F) in March, the warmest time of the year, to a comfortable 29°C (84°F) during cooler months like August.
At night, you can expect temperatures ranging from 27°C (81°F) in March to around 25°C (77°F) during August.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kollam
Kollam is known for its substantial rainfall, with annual precipitation reaching 2244 mm (88 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, June it receives heavy rainfall, averaging 385 mm (15 in) of precipitation, recorded across 21 rainy days. In contrast, the driest month January brings less rainfall, with 21 mm (0.8 in) over a single rainy day. For more details, please visit our Kollam 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 Kollam
Seasonal changes in sunshine hours are quite dramatic in Kollam. While January receives considerable daily sunshine with up to 8.8 hours, June marks the darkest time of the year, where sunshine is scarce with only 4.3 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Kollam by Month
The relative humidity is high throughout the year in Kollam.
The city experiences its highest humidity in June, reaching 80%. In February, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Kollam
Make your experience more enjoyable by planning to be outside during the cooler parts of the day, either early morning or as the sun begins to set. Visitors should note that May, June, July, August, September, October and November are part of the rainy season, bringing substantial rainfall. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Kollam
What is the best time to visit Kollam?
January and February typically offer the most optimal weather in Kollam. In contrast, May, June, July, October and November tend to have less optimal conditions. Kollam has distinct dry (January to February) and wet (May to November) seasons.
What temperatures can I expect in Kollam?
Daytime highs range from 29°C (84°F) in August to 32°C (90°F) in March. Nighttime lows range from 25°C (77°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Kollam get?
Annual rainfall is around 2244 mm (88 in). June is the wettest month with 385 mm (15 in), while January is the driest with 21 mm (0.8 in).
How sunny is Kollam?
Kollam receives around 2,328 hours of sunshine per year. January is the sunniest month with 263 hours, while June is the cloudiest with just 130 hours. Overall, Kollam enjoys abundant sunshine.
Kollam 3-Day Forecast
Kollam 3-Day Forecast
Kollam on the map
Kollam is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Jaipur
35°C (95°F) Gurugram36°C (97°F) New Delhi36°C (97°F) Chennai
35°C (95°F) Hyderabad31°C (88°F) Mumbai29°C (84°F) Bengaluru
29°C (84°F) Kochi28°C (82°F) 
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