Sri Lanka weather in December 2025
December
Sri Lanka weather in December 2025
December
Day
30 °C
Night
23 °C
Sea
28 °C
Precipitation
168 mm
in month
Rainy days
11 days
in month
Daylight
12 hours
average
Sunshine
7 hours
average
Humidity
79 %
Day
30 °C
Night
23 °C
Sea
28 °C
Precipitation
168 mm
in month
Rainy days
11 days
in month
Daylight
12 hours
average
Sunshine
7 hours
average
Humidity
79 %
Overview: Sri LankaSri Lanka, a tropical island nation in South Asia, is known for its pristine beaches, lush tea plantations, ancient ruins, and wildlife-rich national parks, Sri Lanka offers something for everyone. Explore the historic sites of Sigiriya and Anuradhapura, go on a safari in Yala National Park, relax on the golden shores of Bentota Beach, and indulge in flavorful local cuisine.
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Weather overview
In Sri Lanka in December, the average air temperature ranges from 30 °C (86 °F) during the day to 23 °C (74 °F) at night. There are 11 days of rain on average, where the rainfall is 168 mm (6.60 in).
Is December a good month to visit Sri Lanka?
December is one of the best months to visit Sri Lanka. The daily temperatures in this month reach pleasant 30 °C (86 °F). The temperature of the sea will be perfect at 28 °C (82 °F). At night, temperatures hover around a pleasant 23 °C (74 °F).
What is the temperature in Sri Lanka during the day in December?
In Sri Lanka in December, the average daily temperatures will be 30 °C (86 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
What is the sea temperature in Sri Lanka in December?
The temperature of the sea in Sri Lanka in December is 28 °C (82 °F). This temperature is someone's dream come true, while for someone it may no longer be ideal for the purpose of refreshment.
What is the average number of rainy days in Sri Lanka in December?
There are 11 days, which are rainy in Sri Lanka in December, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.6 days of the week, or in general - 37 % days.
What is the air temperature in December in Sri Lanka at night?
The average night temperature in Sri Lanka in December is 23 °C (74 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.
How heavy is the precipitation in Sri Lanka in December?
There is precipitation of 168 mm (6.60 in) in December in Sri Lanka, which means 6 mm (0.22 in) rainfall per day on average.
How long is the day (from dawn till dusk) in Sri Lanka in December?
The length of daylight in Sri Lanka in December is 12 hours.
Is Sri Lanka rainier in December than in January?
No, in Sri Lanka in December it does not rain more than in January.
How many sunny hours can I expect in Sri Lanka in December?
There is an average length of sunshine of 7 hours per day in December in Sri Lanka.
How windy is Sri Lanka in December?
An average wind scale that can be expected in Sri Lanka in December is 4.
Is it hot in Sri Lanka in December?
In Sri Lanka in December, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What is the humidity in Sri Lanka in December?
In December in Sri Lanka, expect humidity around 79 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
Is the weather in Sri Lanka warmer in December than in November?
No, December is not warmer in Sri Lanka than November.
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