Kalutara Weather in April
April in Kalutara typically sees daytime highs of 32°C (90°F) and nighttime lows of 26°C (79°F). April falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Kalutara in April
Kalutara is in the rainy season in April, with rain on around 13 days and an average of 211 mm (8.3 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Kalutara in April
In April, Kalutara gets very high temperatures, with highs of 32°C (90°F). Nights cool to around 26°C (79°F). For most visitors, the main thing to prepare for is the heat during the day. With overnight lows of 26°C (79°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Kalutara in April
The days are predominantly sunny, with an estimated total of around 234 hours of sunshine. Rain is often only seen in the afternoon or evening, leaving clear skies for most of the day. This results in rainy months that still feel bright and are suitable for travel.If you're looking for dry conditions and comfortable temperatures, April may not be the ideal month to visit Kalutara. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sri Lanka, check out our Kalutara's climate page.
Kalutara Temperature in April
Min Temperature
26°C (79°F)
Max Temperature
32°C (90°F)
Chance of Rain
43%
Precipitation
211 mm (8.3 in)
Rainy days
13 days
Humidity
72% *
Sunshine
234 hours *
Percentage Sunshine
*
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Kalutara typically stay consistent throughout April, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in April
Daily Historical Precipitation
47-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Kalutara in April
Browse day-by-day weather records for Kalutara spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kalutara historical weather extremes in April
Our historical data for Kalutara spans 2001 to 2026, revealing these weather extremes.
- On April 10, 2024, temperatures climbed to 35°C (95°F), marking the warmest April day on record.
- The coldest April day was on April 30, 2002, with a maximum of 25°C (77°F).
Best Places in Sri Lanka in April
Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month. See all of Sri Lanka in April →
perfect weather
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tolerable
unpleasant
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What to Wear in Kalutara in April
Warm but pleasant conditions in Kalutara in April. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Kalutara in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sri Lanka, check out our Kalutara's climate page.
Temperature Rainfall Sunshine Humidity
See the full Kalutara climate overview or explore weather in Sri Lanka.
