Mirissa Weather in April
With daytime temperatures of 31°C (88°F) and nighttime lows of 26°C (79°F), April in Mirissa brings very high temperatures during the day. Do keep in mind that April is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in Mirissa in April
As part of the rainy season, Mirissa sees around 11 days of rain in April, with an average of 183 mm (7.2 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Mirissa in April
Temperatures in Mirissa in April top out at 31°C (88°F) and drop to 26°C (79°F) overnight. For most visitors, the main thing to prepare for is the heat during the day. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Mirissa in April
The city usually sees around 230 hours of sunlight, indicating many sunny days despite it being the rainy season.April in Mirissa has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Mirissa's climate page.
Mirissa Temperature in April
Min Temperature
26°C (79°F)
Max Temperature
31°C (88°F)
Chance of Rain
36%
Precipitation
183 mm (7.2 in)
Rainy days
11 days
Sunshine
230 hours *
Percentage Sunshine
*
Daily Historical Temperatures
46-year average (1976-2025)
Based on our historical records, temperatures in Mirissa typically stay consistent throughout April, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in April
Daily Historical Precipitation
46-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 Mirissa in April
Browse day-by-day weather records for Mirissa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mirissa historical weather extremes in April
Based on 21 years of weather observations (2005-2026), these are the most extreme conditions recorded in Mirissa.
- The hottest April day on record in Mirissa reached 37°C (99°F) (April 6, 2016).
- Mirissa experienced its chilliest April day on April 18, 2006, reaching only 27°C (81°F).
- The coldest night in April in Mirissa was on April 5, 2024, with a minimum of 16°C (61°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
pleasant
tolerable
unpleasant
poor
What to Wear in Mirissa in April
Warm but pleasant conditions in Mirissa 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Mirissa 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 Mirissa's climate page.
See the full Mirissa climate overview or explore weather in Sri Lanka.
