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Normal weather for Sri Lanka in May

It's hot in May in Sri Lanka with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 31°C. At night, you can expect temperatures between 21°C and 22°C.

In May, there is an average of 272 mm of precipitation, spread over 26 days. The wind speed is around 3 Bft, mostly coming from the Southwest.

Sri Lanka in May

New York
Temperature Average Temperature
30°C 22°C
Sun High Temp
31°C 28°C
Sun Low Temp
29°C 17°C
Rain Total Precipitation
272 mm 105 mm
Rain Rainy Days
26 days 14 days

Start of May

The month of May starts in Sri Lanka with hot temps, averaging around 31°C during the day and nights around 22°C. There are plenty of days with a good chance of precipitation.

With the temperature difference between day and night, it’s smart to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.

Mid May

By mid-May, daytime temps drop to around 30°C, with nights around 22°C. There’s a high chance of precipitation during this time.

Since it cools down at night, it’s a good idea to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.

End of May

By the end of May, the average daytime temperature in Sri Lanka is around 30°C, while nighttime temps are about 22°C. There’s a significant chance of many days with precipitation.

Because temperatures drop in the evening, wearing layers is recommended. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.

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UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Is May a good time to visit Sri Lanka?

Looking for sun? May isn’t a good month to be in Sri Lanka. The temperature is nice, but there’s too much chance of rain.

Temperature records for Sri Lanka in May

Check out the climate of Sri Lanka for all months and discover the best travel time

The climate in Sri Lanka is based on weather data from Kandy. Other spots might have different weather. You can check out all destinations in Sri Lanka to get the full picture of the climate.

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Daily Temperature in May in Sri Lanka

This chart shows the average daily high and low temperatures in May for Sri Lanka, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in May in Sri Lanka

Daily Precipitation in May in Sri Lanka

The chart below shows the average daily precipitation in May for Sri Lanka, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 26 days of precipitation in Sri Lanka.

Daily Precipitation in May in Sri Lanka

Daily UV Index in May in Sri Lanka

This chart shows the average daily UV index in May in Sri Lanka, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in May in Sri Lanka

Temperature in May in Sri Lanka Over the Years

This chart shows the average temperature in May in Sri Lanka, measured in degrees Celsius, over the past few years.

Temperature in May in Sri Lanka Over the Years

Total Precipitation in May in Sri Lanka Over the Years

This chart shows the average precipitation in May in Sri Lanka, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in May in Sri Lanka Over the Years

Daily Climate in May for Sri Lanka

Click on any day in May to get detailed info about the usual weather on that day in Sri Lanka. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in May in Sri Lanka

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Average Weather in Sri Lanka by Month

Click on a month below to see detailed weather info for Sri Lanka. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Sri Lanka for all months at once

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