Kalutara weather in August 2025

Expect 86°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Kalutara in August. Check more long-term weather averages for Kalutara in August before you book your next holiday to Sri Lanka in 2025/2026.

  • 86°F maximum daytime temperature in August in Kalutara86
    86°F max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in August in Kalutara10
    10 days with some rainfall
  • 77°F minimum night-time temperature in August in Kalutara77
    77°F min night temperature
  • 12 hours of daylight per day in August in Kalutara12
    12 hours of daylight per day
  • High heat & humidity in August in KalutaraH
    High heat & humidity
  • 6.3 inches monthly rainfall in August in Kalutara6.3
    6.3 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Kalutara11
    11+ (Extreme) UV index
  • 81°F sea temperature in August in Kalutara81
    81°F sea temperature

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

Daytime temperatures usually reach 86°F in Kalutara in August with high heat and humidity, falling to 77°F at night.

How sunny is it in Kalutara in August?

There are normally 6 hours of bright sunshine each day in Kalutara in August - that's 51% of daylight hours.

How warm is the sea around Kalutara in August?

The average sea temperature around Kalutara in August is 81°F.

Does it rain in Kalutara in August?

There are usually 10 days with some rain in Kalutara in August and the average monthly rainfall is 6.3 inches.

Kalutara August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:04 18:29
Saturday, 16th August 2025 06:05 18:24
Sunday, 31st August 2025 06:03 18:18

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