Unawatuna weather

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Usually in January
- 29
- 22
- 7
Weather by month
Now Today
- 28
- 4
5-day forecast

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

The weather guide for Unawatuna, Sri Lanka shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Which is the hottest month in Unawatuna?

The hottest time of year in Unawatuna is normally April. Expect maximum daytime temperatures to reach 31°C with high heat and humidity.

Which month has the most rain in Unawatuna?

In terms of rainfall, October is usually the wettest month in Unawatuna with 340mm on average. There are normally 14 days in October with some rain.

When is it sunniest in Unawatuna?

The sunniest time of year in Unawatuna is normally March with bright sunshine on average for 69% of daylight hours; that's 8 hours of sunshine per day.

When is the sea warmest in Unawatuna?

The sea is usually at its warmest in Unawatuna in April when the water temperature reaches 29°C.

Metric (°C / mm) | Imperial (°F / inches)

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Compare Unawatuna weather with the USA

Below the Unawatuna weather chart shows average maximum daytime temperature for Unawatuna, Sri Lanka and the USA (Washington).

Maximum daytime temperature (°C)

Unawatuna, Sri Lanka

USA (Washington)

Jan

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Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Metric (°C / mm) | Imperial (°F / inches)

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Tropical storm risk: Unawatuna cyclone season

% of month affected by tropical storms

1.2%

1.5%

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

The Unawatuna tropical storm risk chart above shows the cyclone season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical storms

Where's hot in Sri Lanka right now?

Below are the temperatures expected today at popular destinations in Sri Lanka. Select a destination to compare today's forecast with average weather conditions.