Negombo weather in April 2026

Expect daytime maximum temperatures of 91°F in Negombo, Sri Lanka in April and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 13 days with some rainfall and typically 9.6 inches of rainfall in the month.

  • 91°F maximum daytime temperature in April in Negombo91
    91°F max day temperature
  • 8 hours of sunshine per day
  • 13 days with some rainfall in April in Negombo13
    13 days with some rainfall
  • 75°F minimum night-time temperature in April in Negombo75
    75°F min night temperature
  • 12 hours of daylight per day in April in Negombo12
    12 hours of daylight per day
  • Very high heat & humidity in April in NegomboVH
    Very High heat & humidity
  • 9.6 inches monthly rainfall in April in Negombo9.6
    9.6 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Negombo11
    11+ (Extreme) UV index
  • 86°F sea temperature in April in Negombo86
    86°F sea temperature

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The April weather guide for Sri Lanka (Negombo) 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.

Metric (°C)  |  Imperial (°F)

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More about Sri Lanka

How hot is it in Negombo in April?

Daytime temperatures usually reach 91°F in Negombo in April with very high heat and humidity, falling to 75°F at night.

How sunny is it in Negombo in April?

There are normally 8 hours of bright sunshine each day in Negombo in April - that's 63% of daylight hours.

How warm is the sea around Negombo in April?

The average sea temperature around Negombo in April is 86°F.

Does it rain in Negombo in April?

There are usually 13 days with some rain in Negombo in April and the average monthly rainfall is 9.6 inches.

Negombo April sunrise & sunset times

Browse the sunrise and sunset times for Negombo in April 2026. Select a month to view Negombo sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 06:09 18:20
Wednesday, 15th April 2026 06:02 18:19
Thursday, 30th April 2026 05:57 18:19

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