Mirihana Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Mirihana.
Climate overview of Mirihana
With consistently stable weather, Mirihana, Sri Lanka, sees little seasonal temperature change. Daytime highs average 31°C (88°F), ranging from 33°C (91°F) in March to 30°C (86°F) in January.
The city has a wet climate, receiving around 2672 mm (105 in) of rainfall per year. October is the wettest month. The most sunshine falls in March, with an average of 9.2 hours of daily sunshine.
Mirihana Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mirihana — and find the best time to visit.
Monthly Temperature in Mirihana
The climate in Mirihana remains fairly constant, offering very warm temperatures throughout the year. On average, daytime temperatures range from a very warm 33°C (91°F) in March to a very warm 30°C (86°F) in January.
Nighttime temperatures range from 26°C (79°F) in March to 24°C (75°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Mirihana
Mirihana is known for its substantial rainfall, with annual precipitation reaching 2672 mm (105 in). The seasons in Mirihana bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 359 mm (14 in) of precipitation. This rainfall is distributed across 16 rainy days.
In contrast, the driest month, January, experiences much less rainfall, totaling 77 mm (3 in) over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Mirihana 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 Mirihana
Mirihana enjoys sunny spells year-round. March sees up to 9.2 hours of daily sunshine, perfect for a sunny trip. September, the least sunny month, still offers a generous 6.3 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Mirihana
The mean water temperature over the year ranges from 26°C (79°F) in August to 28°C (82°F) in January.
Water temperature over the year
Humidity in Mirihana by Month
The relative humidity is high throughout the year in Mirihana.
The city experiences its highest humidity in June, reaching 79%. In February, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Mirihana
The mean wind speed over the year ranges from 1 m/s (2 knots) in February, March, April, October, November and December to 2 m/s (4 knots) in January, May, June, July, August and September. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Mirihana
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 Mirihana
What is the best time to visit Mirihana?
January typically offers the most optimal weather in Mirihana. In contrast, April, May, June, July, August, September, October, November and December tend to have less optimal conditions.
What temperatures can I expect in Mirihana?
Daytime highs range from 30°C (86°F) in January to 33°C (91°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 Mirihana get?
Annual rainfall is around 2672 mm (105 in). October is the wettest month with 359 mm (14 in), while January is the driest with 77 mm (3 in).
How sunny is Mirihana?
Mirihana receives around 2,623 hours of sunshine per year. March is the sunniest month with 276 hours, while September is the cloudiest with just 189 hours. Overall, Mirihana enjoys abundant sunshine.
Mirihana 3-Day Forecast
Mirihana 3-Day Forecast
Mirihana on the map
Mirihana is highlighted — select any city to see its climate.
Popular this month
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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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