Kalutara Weather & Climate: Best Time to Visit
Kalutara, Kalutara District, Sri Lanka, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 30°C (86°F), peaking in March at 32°C (90°F) and dipping in January to 30°C (86°F).
The city receives considerable rainfall, with around 2885 mm (114 in) annually. October is the wettest month. March is the sunniest month, averaging 9.2 hours of sunshine per day.
Monthly Temperature in Kalutara
With minimal seasonal shifts, Kalutara experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very warm 32°C (90°F) in March to a comfortable 30°C (86°F) in the coolest month, January.
Nights vary from 26°C (79°F) in March to around 24°C (75°F) during the colder months.Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kalutara
Kalutara has a notably wet climate with abundant precipitation, recording 2885 mm (114 in) of rainfall per year. The climate in Kalutara shows significant variation throughout the year. Expect heavy rainfall in October, the wettest month, with an average of 362 mm (14 in) of precipitation over 15 rainy days.
In contrast, the driest month February offers drier and sunnier days, with around 84 mm (3.3 in) of rainfall over 5 rainy days. For more details, please visit our Kalutara 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 Kalutara
Kalutara offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between March (9.2 hours daily) and September (6.3 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Kalutara by Month
The relative humidity is high throughout the year in Kalutara.
The city experiences its highest humidity in June, reaching 79%. In February, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Kalutara 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Kalutara
With its warm weather, Kalutara experiences temperatures from 30°C (86°F) to 32°C (90°F) throughout the year. January, February and March offers the driest weather, which makes it a good time to visit.It's smart to plan your activities during the cooler morning hours or take advantage of the refreshing evenings. Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.
