Kalutara weather in August 2025

Expect daytime maximum temperatures of 30°C in Kalutara, Sri Lanka in August and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 161 mm of rainfall in the month.

  • 30°C maximum daytime temperature in August in Kalutara30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in August in Kalutara10
    10 days with some rainfall
  • 25°C minimum night-time temperature in August in Kalutara25
    25°C 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
  • 161 mm monthly rainfall in August in Kalutara161
    161 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Kalutara11
    11+ (Extreme) UV index
  • 27°C sea temperature in August in Kalutara27
    27°C sea temperature

More about Kalutara

Kalutara by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Sri Lanka

TUI: up to 8% off holidays booked online

  • Book online with TUI & save up to 8% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

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 / mm)  |  Imperial (°F / inches)

Back to top

More about Sri Lanka

How hot is it in Kalutara in August?

Daytime temperatures usually reach 30°C in Kalutara in August with high heat and humidity, falling to 25°C 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 27°C.

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 161mm.

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^