Sri LankaAverage weather for Colombo in May
It's hot in May in Colombo with an average temperature of 32°C. Temperatures this month range from a low of 31°C to a high of 33°C. At night, you can expect temperatures between 24°C and 27°C.
Start of May
The month of May starts in Colombo with hot temps, averaging around 33°C during the day and nights around 26°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid May
By mid-May, daytime temps drop to around 32°C, with nights around 26°C. There’s a high chance of precipitation during this time. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of May
By the end of May, the average daytime temperature in Colombo is around 32°C, while nighttime temps are about 27°C. There’s a significant chance of many days with precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Water temperature
The water temperature at Colombo is 27°C this month. Nice and warm for a swim.
In May, there is an average of 567 mm of precipitation, spread over 24 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Colombo in May |
New York | ||
|---|---|---|---|
 Average temperature |
32°C | 22°C | |
 Max. temperature |
33°C | 28°C | |
| Min. temperature |
31°C | -5°C | |
 Total precipitation |
567 mm | 105 mm | |
| Rainy days |
24 days | 14 days | |
April
UV index
The UV index is a maximum of 8 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 Colombo?
Looking for sun? May isn’t a good month to be in Colombo. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 34°C in 2020, Colombo reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 27°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 30°C.
Check out the climate of Colombo for all months and discover the best travel time
Daily Temperature in May in Colombo
This chart shows the average daily high and low temperatures in May for Colombo, 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.
Weather experiences in May in Colombo
Good
There were a few showers, but overall it was beautiful, warm... more
Daily Precipitation in May in Colombo
The chart below shows the average daily precipitation in May for Colombo, 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 24 days of precipitation in Colombo.
Daily UV index in May in Colombo
This chart shows the average daily UV index in May in Colombo, 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.
Temperature in May in Colombo over the years
This chart shows the average temperature in May in Colombo, measured in degrees Celsius, over the past few years.
Total precipitation in May in Colombo over the years
This chart shows the average precipitation in May in Colombo, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in May for Colombo
Click on any day in May to get detailed info about the usual weather on that day in Colombo. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Colombo
The weather in May in Colombo is rated 4 out of 5 stars by 1 visitor. Have you been to Colombo? Share your weather experience to help other visitors.
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There were a few showers, but overall it was beautiful, warm and with lots of sunshine. Ideal for a relaxing vacation.— This text is automatically translated to English
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Average weather in Colombo by month
Click on a month below to see detailed weather info for Colombo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
