Kalutara Climate by Month
Kalutara has relatively stable weather with very warm temperatures.
It is also known for its large amounts of rainfall.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
With minimal seasonal shifts, Kalutara experiences a constant climate year-round. Typically, daytime temperatures range from a very warm 32°C in March to a comfortable 30°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to 24°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Kalutara has a notably wet climate with abundant precipitation, recording 2885 mm of rainfall per year. The climate in Kalutara shows significant variation throughout the year. Expect heavy rainfall in October, with an average of 362 mm of precipitation over 15 rainy days. In contrast, February offers drier and sunnier days, with around 84 mm of rainfall over 5 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
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.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Kalutara.
Relative humidity over the year
The best time of year to visit Kalutara in Sri Lanka
Kalutara has high temperatures year round ranging between 29°C and 31°C.Other facts from our historical weather data:
March has an average maximum temperature of 32°C and is the hottest month of the year.
The coolest month is January with an average maximum temperature of 30°C.
October tops the wettest month list with 362 mm of rainfall.
February is the driest month with 84 mm of precipitation.
March is the sunniest month with an average of 276 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.