Weather in Unawatuna in December 2018

• 29
  29°C max day temperature
• 7
  7 hours of sunshine per day
• 10
  10 days with some rainfall
• 22
  22°C min night temperature
• 12
  12 hours of daylight per day
• H
  High heat & humidity
• 181
  181 mm of monthly rainfall
• 11
  11 (Extreme) UV index
• 28
  28°C sea temperature

Going to Unawatuna? Find the best month to visit Unawatuna based on the weather.

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Expect 29°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Unawatuna in December. Check more long-term weather averages for Unawatuna in December before you book your next holiday to Sri Lanka in 2018/2019.

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The December weather guide for Unawatuna, Sri Lanka 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)

Guide to Unawatuna weather in December

The average maximum daytime temperature in Unawatuna in December is a warm 29°C (84°F) with high heat & humidity. The average night-time temperature is usually a warm 22°C (72°F). There are usually 7 hours of bright sunshine each day, which represents 55% of the 12 hours of daylight.

Expect 181mm (7.1 inches) of rainfall across the whole of December with 10 days with some rain falling. Maximum UV levels will be extreme (11 UV index) at midday when the skies are clear.

The average sea temperature in and around Unawatuna in December is 28°C (82°F).

Unawatuna sunrise & sunset times for December 2018

Browse the sunrise & sunset times for Unawatuna in December 2018. Select a month to view Unawatuna sunrise & sunset times for the next twelve months.

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Popular Sri Lanka destinations

Below are average maximum temperatures at popular destinations in Sri Lanka in December. Select a destination to see more weather parameters.

• 30
  Bentota
• 30
  Beruwela
• 30
  Colombo
• 30
  Kalutara
• 30
  Negombo
• 30
  Wadduwa
• 29
  Galle
• 29
  Yala

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More Sri Lanka destinations

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