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Sri LankaThe weather in May in Colombo
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.
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.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Colombo, Sri Lanka. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
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.
Water temperature
The water temperature at Colombo is 27°C this month. Nice and warm for a swim.
Rainfall amount
In May, there is an average of 567 mm of precipitation, spread over 30 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
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.
May weather comparison
| Colombo | New York | |
|---|---|---|
| Average temperature | 32°C | 22°C |
| Max. temperature | 33°C | 28°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 567 mm | 105 mm |
| Rainy days | 30 days | 14 days |
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.
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.
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.
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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.
Check out the climate of Colombo for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in May in Colombo, Sri Lanka. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Colombo
Temperature in May in Colombo over the years
Precipitation charts
These charts show the average amount of precipitation in May in Colombo, Sri Lanka. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Colombo
Total precipitation in May in Colombo over the years
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.
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.