Sri Lanka weather in July 2025

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Sri Lanka in July. Check more long-term weather averages for Sri Lanka in July before you book your next holiday to Sri Lanka in 2025/2026.

  • 30°C maximum daytime temperature in July in Sri Lanka (Colombo)30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in July in Sri Lanka (Colombo)11
    11 days with some rainfall
  • 25°C minimum night-time temperature in July in Sri Lanka (Colombo)25
    25°C min night temperature
  • 12 hours of daylight per day in July in Sri Lanka (Colombo)12
    12 hours of daylight per day
  • High heat & humidity in July in Sri Lanka (Colombo)H
    High heat & humidity
  • 124 mm monthly rainfall in July in Sri Lanka (Colombo)124
    124 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Sri Lanka (Colombo)11
    11+ (Extreme) UV index
  • 27°C sea temperature in July in Sri Lanka (Colombo)27
    27°C sea temperature

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The July weather guide for Sri Lanka (Colombo) 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.

Top Sri Lanka destinations

Below are average maximum temperatures at popular countries, regions and places in Sri Lanka in July. Select a holiday destination to see more weather parameters.

All Sri Lanka destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Sri Lanka

How hot is it in Sri Lanka in July?

Daytime temperatures usually reach 30°C in Colombo, Sri Lanka in July with high heat and humidity, falling to 25°C at night.

How sunny is it in Sri Lanka in July?

There are normally 6 hours of bright sunshine each day in Colombo, Sri Lanka in July - that's 50% of daylight hours.

How warm is the sea around Sri Lanka in July?

The average sea temperature around Colombo, Sri Lanka in July is 27°C.

Does it rain in Sri Lanka in July?

There are usually 11 days with some rain in Colombo, Sri Lanka in July and the average monthly rainfall is 124mm.

Sri Lanka July sunrise & sunset times

Browse the sunrise and sunset times for Sri Lanka in July 2025. Select a month to view Sri Lanka sunrise and sunset times for the next 12 months. The Sri Lanka sunrise and sunset times shown below are for Colombo.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:59 18:30
Wednesday, 16th July 2025 06:02 18:31
Thursday, 31st July 2025 06:04 18:30

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