Sri LankaAverage weather for Negombo in May
It's hot in May in Negombo 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 22°C and 23°C.
Start of May
The month of May starts in Negombo with hot temps, averaging around 31°C during the day and nights around 23°C. There are plenty of days with a good chance of precipitation.
Mid May
By mid-May, daytime temps stay steady at around 31°C, with nights around 23°C. There’s a high chance of precipitation during this time.
End of May
By the end of May, the average daytime temperature in Negombo is around 30°C, while nighttime temps are about 23°C. There’s a significant chance of many days with precipitation.
Water temperature
The water temperature at Negombo is 31°C this month. It’s really warm, perfect for a swim.
In May, there is an average of 391 mm of precipitation, spread over 22 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Negombo in May |
New York | ||
|---|---|---|---|
 Average temperature |
30°C | 22°C | |
 Max. temperature |
31°C | 28°C | |
| Min. temperature |
29°C | -5°C | |
 Total precipitation |
391 mm | 105 mm | |
| Rainy days |
22 days | 14 days | |
April
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 Negombo?
Looking for sun? May isn’t a good month to be in Negombo. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 34°C in 2020, Negombo reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 23°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 29°C.
Check out the climate of Negombo for all months and discover the best travel time
Daily Temperature in May in Negombo
This chart shows the average daily high and low temperatures in May for Negombo, 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 Precipitation in May in Negombo
The chart below shows the average daily precipitation in May for Negombo, 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 22 days of precipitation in Negombo.
Daily UV index in May in Negombo
This chart shows the average daily UV index in May in Negombo, 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 Negombo over the years
This chart shows the average temperature in May in Negombo, measured in degrees Celsius, over the past few years.
Total precipitation in May in Negombo over the years
This chart shows the average precipitation in May in Negombo, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in May for Negombo
Click on any day in May to get detailed info about the usual weather on that day in Negombo. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Negombo
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Average weather in Negombo by month
Click on a month below to see detailed weather info for Negombo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
