Negombo weather in May 2021

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  • 32°C maximum daytime temperature in May in Negombo32
    32°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in May in Negombo12
    12 days with some rainfall
  • 25°C minimum night-time temperature in May in Negombo25
    25°C min night temperature
  • 12 hours of daylight per day in May in Negombo12
    12 hours of daylight per day
  • Very high heat & humidity in May in NegomboVH
    Very High heat & humidity
  • 298 mm monthly rainfall in May in Negombo298
    298 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Negombo11
    11+ (Extreme) UV index
  • 29°C sea temperature in May in Negombo29
    29°C sea temperature

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The May weather guide for Negombo, Sri Lanka shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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How hot is it in Negombo in May?

Daytime temperatures usually reach 32°C in Negombo in May with very high heat and humidity, falling to 25°C at night.

How sunny is it in Negombo in May?

There are normally 7 hours of bright sunshine each day in Negombo in May - that's 52% of daylight hours.

How warm is the sea around Negombo in May?

The average sea temperature around Negombo in May is 29°C.

Does it rain in Negombo in May?

There are usually 12 days with some rain in Negombo in May and the average monthly rainfall is 298mm.

Negombo sunrise & sunset times for May 2021

Browse the sunrise & sunset times for Negombo in May 2021. Select a month to view Negombo sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Saturday, 1st May 2021 05:57 18:19
Sunday, 16th May 2021 05:53 18:21
Monday, 31st May 2021 05:53 18:24
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in Sri Lanka in May for 2021/2022?

Below are average maximum temperatures at popular destinations in Sri Lanka in May. Select a destination to see more weather parameters.

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