Kalutara weather in May 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Kalutara in May. Check more long-term weather averages for Kalutara in May before you book your next holiday to Sri Lanka in 2025/2026.

  • 31°C maximum daytime temperature in May in Kalutara31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in May in Kalutara13
    13 days with some rainfall
  • 25°C minimum night-time temperature in May in Kalutara25
    25°C min night temperature
  • 12 hours of daylight per day in May in Kalutara12
    12 hours of daylight per day
  • Very high heat & humidity in May in KalutaraVH
    Very High heat & humidity
  • 388 mm monthly rainfall in May in Kalutara388
    388 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Kalutara11
    11+ (Extreme) UV index
  • 29°C sea temperature in May in Kalutara29
    29°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

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost

TUITUI deal finder

The May 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 May?

Daytime temperatures usually reach 31°C in Kalutara in May with very high heat and humidity, falling to 25°C at night.

How sunny is it in Kalutara in May?

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

How warm is the sea around Kalutara in May?

The average sea temperature around Kalutara in May is 29°C.

Does it rain in Kalutara in May?

There are usually 13 days with some rain in Kalutara in May and the average monthly rainfall is 388mm.

Kalutara May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:57 18:18
Friday, 16th May 2025 05:54 18:19
Saturday, 31st May 2025 05:54 18:22

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^