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Kalutara weather in May (Kalutara District, Sri Lanka)

Curious about the May weather in Kalutara? Here's what the weather might have in store during this month.

In May, Kalutara typically experiences very high temperatures and heavy rainfall. Daytime temperatures hover around 31°C, while nights can cool down to about 26°C.

Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water, especially if you find yourself outdoors for extended periods.

Kalutara in May falls under the rainy season with heavy rainfall, averaging around 333 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 13 days of the month will see rainfall.

The city usually sees around 202 hours of sunlight, indicating many sunny days.

If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit Kalutara. January, February and March generally stand out with the best circumstances. While April, May, June, July, August, September, October and November tend to showcase less optimal conditions.

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

 

Kalutara, monthly averages in May

Min TemperatureMin Temperature 26°C  
Max TemperatureMax Temperature 31°C  
Chance of RainChance of Rain 45%  
PrecipitationPrecipitation 333 mm  
Rainy daysRainy days 13 days  
HumidityHumidity 77% *  
SunshineSunshine 202 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Colombo, Sri Lanka (36 KM, 22 Miles).

Where to go in Sri Lanka in May

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

Map not visible? Whoops sorry! Please refresh the page.
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 Kalutara in May?

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 in May.

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

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Kalutara.

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 climate conditions. Find out where to go with our weather planner.