Bentota Weather in December
Bentota in December averages 29°C (84°F) during the day and 25°C (77°F) at night. December is part of the rainy season, so frequent rainfall is typical.
Rainfall in Bentota in December
Bentota is in the rainy season in December, with rain on around 10 days and an average of 182 mm (7.2 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Bentota in December
December in Bentota brings typical temperatures with highs around 29°C (84°F) and lows of 25°C (77°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Bentota in December
The city usually sees around 220 hours of sunlight, indicating many sunny days despite it being the rainy season.If you're inclined towards comfortable temperatures and drier conditions, December is a good time to visit Bentota.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sri Lanka, check out our Bentota's climate page.
Bentota Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
33%
Precipitation
182 mm (7.2 in)
Rainy days
10 days
Sunshine
220 hours *
Percentage Sunshine
*
Daily Historical Temperatures
43-year average (1976-2025)
Based on our historical records, temperatures in Bentota typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in December
Daily Historical Precipitation
43-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Bentota in December
Browse day-by-day weather records for Bentota spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bentota historical weather extremes in December
Based on 20 years of weather observations in Bentota between 2005 and 2025, these are the recorded extremes.
- On December 9, 2024, temperatures climbed to 33°C (91°F), marking the warmest December day on record.
- The coldest December day was on December 9, 2010, with a maximum of 25°C (77°F).
- Peak precipitation in December occurred on December 23, 2020, when 92 mm (3.6 in) of precipitation was measured.
Best Places in Sri Lanka in December
Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month. See all of Sri Lanka in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Bentota in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Bentota in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sri Lanka, check out our Bentota's climate page.
See the full Bentota climate overview or explore weather in Sri Lanka.
