Galle weather in August 2025

Expect 29°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Galle in August. Check more long-term weather averages for Galle in August before you book your next holiday to Sri Lanka in 2025/2026.

  • 29°C maximum daytime temperature in August in Galle29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in August in Galle10
    10 days with some rainfall
  • 24°C minimum night-time temperature in August in Galle24
    24°C min night temperature
  • 12 hours of daylight per day in August in Galle12
    12 hours of daylight per day
  • High heat & humidity in August in GalleH
    High heat & humidity
  • 173 mm monthly rainfall in August in Galle173
    173 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Galle11
    11+ (Extreme) UV index
  • 27°C sea temperature in August in Galle27
    27°C sea temperature

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The August weather guide for Sri Lanka (Galle) 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 / mm)  |  Imperial (°F / inches)

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More about Sri Lanka

How hot is it in Galle in August?

Daytime temperatures usually reach 29°C in Galle in August with high heat and humidity, falling to 24°C at night.

How sunny is it in Galle in August?

There are normally 6 hours of bright sunshine each day in Galle in August - that's 49% of daylight hours.

How warm is the sea around Galle in August?

The average sea temperature around Galle in August is 27°C.

Does it rain in Galle in August?

There are usually 10 days with some rain in Galle in August and the average monthly rainfall is 173mm.

Galle August sunrise & sunset times

Browse the sunrise and sunset times for Galle in August 2025. Select a month to view Galle sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:04 18:27
Saturday, 16th August 2025 06:04 18:23
Sunday, 31st August 2025 06:02 18:16

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