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Mirissa weather in December (Matara District, Sri Lanka)

What does the weather outlook for Mirissa look like in December? Here’s a detailed forecast of the month’s weather patterns.

Temperatures

Typically, December in Mirissa includes high temperatures and heavy rainfall. Anticipate daytime highs near 30°C, and cooler nights with temperatures around 25°C. Although these are average temperatures, some days can be hotter. Wear cool, breathable clothing and protect yourself from the sun.

Precipitation

Mirissa in December falls under the rainy season with heavy rainfall, averaging around 181 mm for the month. Looking at the last 30 years, the data shows about 10 days with rain.

Average sunshine

With approximately 220 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.

If you prefer dry days with pleasant temperatures, January, February, March, July and August typically offer the best circumstances. While May, June, October and November tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Mirissa climate page with graphs.

 

Mirissa, monthly averages in December

Min TemperatureMin Temperature 25°C  
Max TemperatureMax Temperature 30°C  
Chance of RainChance of Rain 32%  
PrecipitationPrecipitation 181 mm  
Rainy daysRainy days 10 days  
SunshineSunshine 220 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Galle, Sri Lanka (29 KM, 18 Miles).

Where to go in Sri Lanka in December

Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
8/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Mirissa.

Our site offers climate and forecast data for every country in the world. Are you going to Sri Lanka? On this website you can find historical weather averages for many cities in Sri Lanka. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.