Mirissa Beach weather live forecast

Today's maximum temperature in Mirissa Beach is expected to be 32°C. Select a day from the live weather forecast for Mirissa Beach, Sri Lanka for more weather parameters.

• Saturday
  27th Dec
  32
  23
  
  5
  9
• Sunday
  28th Dec
  32
  23
  
  6
  9
• Monday
  29th Dec
  33
  24
  
  7
  8
• Tuesday
  30th Dec
  32
  25
  
  6
  8
• Wednesday
  31st Dec
  31
  24
  
  5
  7

5-day weather forecast updated at 04:03 on Saturday 27th December 2025 GMT

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The 5-day weather forecast for Sri Lanka (Mirissa Beach) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Mirissa Beach weather forecast by day

Below are the detailed weather forecasts for Mirissa Beach for the next 5 days.

Mirissa Beach weather for Saturday 27th December 2025

Expect isolated thunderstorms in Mirissa Beach, Sri Lanka with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a light breeze of 11 kph from the south.

• 32
  °C maximum temperature
• 23
  °C minimum temperature
• 
  isolated thunderstorms
• 5
  hours of sunshine
• 9
  UV index (Very High)
• 27
  % chance of some rain
• <2
  mm of rainfall expected
• H
  high heat & humidity
• 11
  kph wind from S

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Mirissa Beach weather for Sunday 28th December 2025

Expect broken clouds in Mirissa Beach, Sri Lanka with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.

• 32
  °C maximum temperature
• 23
  °C minimum temperature
• 
  broken clouds
• 6
  hours of sunshine
• 9
  UV index (Very High)
• 0
  mm of rainfall expected
• H
  high heat & humidity
• 11
  kph wind from S

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Mirissa Beach weather for Monday 29th December 2025

Expect broken clouds in Mirissa Beach, Sri Lanka with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

• 33
  °C maximum temperature
• 24
  °C minimum temperature
• 
  broken clouds
• 7
  hours of sunshine
• 8
  UV index (Very High)
• 0
  mm of rainfall expected
• H
  high heat & humidity
• 11
  kph wind from SW

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Mirissa Beach weather for Tuesday 30th December 2025

Expect broken clouds in Mirissa Beach, Sri Lanka with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

• 32
  °C maximum temperature
• 25
  °C minimum temperature
• 
  broken clouds
• 6
  hours of sunshine
• 8
  UV index (Very High)
• 0
  mm of rainfall expected
• M
  moderate heat & humidity
• 11
  kph wind from SW

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Mirissa Beach weather for Wednesday 31st December 2025

Expect broken clouds in Mirissa Beach, Sri Lanka with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-west.

• 31
  °C maximum temperature
• 24
  °C minimum temperature
• 
  broken clouds
• 5
  hours of sunshine
• 7
  UV index (High)
• 0
  mm of rainfall expected
• M
  moderate heat & humidity
• 12
  kph wind from SW

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• Max discount £500. T&Cs apply. £500 min spend
• Travel between 1st May 2026 & 31st Oct 2027 (inclusive)

Show discount code ******ALE

Redeem TUI discount code >>

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

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