Aluthgama Weather in December
December in Aluthgama averages 30°C (86°F) during the day and 25°C (77°F) at night. December is part of the rainy season, with around 183 mm (7.2 in) of rainfall and frequent showers.
Rainfall in Aluthgama in December
As part of the rainy season, Aluthgama sees around 10 days of rain in December, with an average of 183 mm (7.2 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Aluthgama in December
Temperatures in Aluthgama in December top out at 30°C (86°F) and drop to 25°C (77°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Aluthgama in December
Expect sunny days throughout the month, with an estimated 220 hours of sunshine. Despite being the rainy season, it could still be a nice time to visit. Rain often arrives later in the day, keeping most of the days sunny.December in Aluthgama has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Aluthgama's climate page.
Aluthgama Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Chance of Rain
33%
Precipitation
183 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 Aluthgama typically stay consistent throughout December, with daily highs averaging around 30°C (86°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 Aluthgama in December
Browse day-by-day weather records for Aluthgama spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Aluthgama historical weather extremes in December
Based on 20 years of weather observations in Aluthgama between 2005 and 2025, these are the recorded extremes.
- The hottest December day on record in Aluthgama reached 33°C (91°F) (December 9, 2024).
- The coldest December day was on December 9, 2010, with a maximum of 25°C (77°F).
- The wettest day in December Aluthgama was on December 23, 2020 with 93 mm (3.7 in) of precipitation.
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 Aluthgama 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Aluthgama 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 Aluthgama's climate page.
See the full Aluthgama climate overview or explore weather in Sri Lanka.
