Mirissa Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Mirissa.
Climate overview of Mirissa
Mirissa Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mirissa — and find the best time to visit.
Monthly Temperature in Mirissa
The climate in Mirissa remains fairly constant, offering very warm temperatures throughout the year. Average maximum daytime temperatures range from a very warm 31°C (88°F) in March, the warmest time of the year, to a comfortable 29°C (84°F) during cooler months like January.
At night, you can expect temperatures ranging from 26°C (79°F) in March to around 24°C (75°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Mirissa
Mirissa is known for its substantial rainfall, with annual precipitation reaching 2201 mm (87 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, November it receives heavy rainfall, averaging 283 mm (11 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month February brings less rainfall, with 76 mm (3 in) over 5 rainy days. For more details, please visit our Mirissa 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 Mirissa
While the amount of sunshine in Mirissa varies throughout the year, all seasons offer their own charm. Enjoy up to 9.0 hours of daily sun in March, and experience slightly darker atmosphere in September, with about 6.0 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Mirissa
Make your experience more enjoyable by planning to be outside during the cooler parts of the day, either early morning or as the sun begins to set. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Mirissa
What is the best time to visit Mirissa?
July and August typically offer the most optimal weather in Mirissa. In contrast, April, May, June, October, November and December tend to have less optimal conditions.
What temperatures can I expect in Mirissa?
Daytime highs range from 29°C (84°F) in January to 31°C (88°F) in March. Nighttime lows range from 24°C (75°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Mirissa get?
Annual rainfall is around 2201 mm (87 in). November is the wettest month with 283 mm (11 in), while February is the driest with 76 mm (3 in).
How sunny is Mirissa?
Mirissa receives around 2,609 hours of sunshine per year. March is the sunniest month with 270 hours, while September is the cloudiest with just 180 hours. Overall, Mirissa enjoys abundant sunshine.
Mirissa 3-Day Forecast
Mirissa 3-Day Forecast
Mirissa on the map
Mirissa is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Colombo
30°C (86°F) Galle29°C (84°F) Mirissa29°C (84°F) Hikkaduwa29°C (84°F) Negombo30°C (86°F) Kandy
28°C (82°F) Unawatuna29°C (84°F) Nuwara Eliya27°C (81°F) 
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