Unawatuna weather in August 2025

Expect 29°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Unawatuna in August based on long-term weather averages. There is usually 10 days with some rainfall and 173 mm of average monthly rainfall in August.

  • 29°C maximum daytime temperature in August in Unawatuna29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in August in Unawatuna10
    10 days with some rainfall
  • 24°C minimum night-time temperature in August in Unawatuna24
    24°C min night temperature
  • 12 hours of daylight per day in August in Unawatuna12
    12 hours of daylight per day
  • High heat & humidity in August in UnawatunaH
    High heat & humidity
  • 173 mm monthly rainfall in August in Unawatuna173
    173 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Unawatuna11
    11+ (Extreme) UV index
  • 27°C sea temperature in August in Unawatuna27
    27°C sea temperature

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The August weather guide for Sri Lanka (Unawatuna) 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 Unawatuna in August?

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

How sunny is it in Unawatuna in August?

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

How warm is the sea around Unawatuna in August?

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

Does it rain in Unawatuna in August?

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

Unawatuna August sunrise & sunset times

Browse the sunrise and sunset times for Unawatuna in August 2025. Select a month to view Unawatuna 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 18:22
Sunday, 31st August 2025 06:02 18:16

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