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Mirissa Weather in March
With daytime temperatures of 31°C (88°F) and nighttime lows of 25°C (77°F), March in Mirissa brings very high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 91 mm (3.6 in) falls on average.
Rainfall in Mirissa in March
You can expect rain on roughly 7 days based on historical data, averaging 91 mm (3.6 in) for the month. Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.
Temperature in Mirissa in March
March in Mirissa brings very high temperatures, with highs of 31°C (88°F) and nights around 25°C (77°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Mirissa in March
Expect sunny days throughout the month, with an estimated 270 hours of sunshine. This makes it a pleasant time to visit Mirissa.Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Mirissa Temperature in March
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Chance of Rain
23%
Precipitation
91 mm (3.6 in)
Rainy days
7 days
Sunshine
270 hours *
Percentage Sunshine
*
* Data from: Galle, Sri Lanka (29 KM, 18 Miles).
Mirissa Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mirissa - and find the best time to visit.
Daily Historical Temperatures
46-year average (1976-2025)
Based on our historical records, temperatures in Mirissa typically stay consistent throughout March, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in March
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 March
Historical weather records for Mirissa in March
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 March
Based on 20 years of weather observations (2006-2026), these are the most extreme conditions recorded in Mirissa.
- The hottest March day on record in Mirissa reached 36°C (97°F) (March 9, 2024).
- Mirissa experienced its chilliest March day on March 14, 2015, reaching only 26°C (79°F).
- The coldest night in March in Mirissa was on March 31, 2022, with a minimum of 11°C (52°F).
Best Places in Sri Lanka in March
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 March →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Mirissa in March
Warm but pleasant conditions in Mirissa in March. 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Mirissa in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Mirissa 3-Day Forecast
More climate data for Mirissa
See the full Mirissa climate overview or explore weather in Sri Lanka.
Popular in March
Where to go in March - average daytime high across popular destinations.
Colombo
33°C (91°F) Negombo33°C (91°F) Mirissa31°C (88°F) Unawatuna30°C (86°F) Hikkaduwa30°C (86°F) Galle30°C (86°F) Kandy
31°C (88°F) Nuwara Eliya29°C (84°F) Bucket list
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