Udawalawe Weather in December
December in Udawalawe averages 30°C (86°F) during the day and 21°C (70°F) at night. December is part of the rainy season, with around 243 mm (9.6 in) of rainfall and frequent showers.
Rainfall in Udawalawe in December
As part of the rainy season, Udawalawe sees around 10 days of rain in December, with an average of 243 mm (9.6 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Udawalawe in December
Udawalawe in December gets highs of 30°C (86°F) during the day and drops to 21°C (70°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are mild at around 21°C (70°F), which is comfortable for most people. On average, it features the lowest temperatures of the year but it is still a warm month.
Sunshine in Udawalawe in December
The month enjoys around 220 hours of sunshine. The wet weather tends to wait until afternoon or evening to arrive, leaving the first half of most days dry and sunny.December in Udawalawe 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 Udawalawe's climate page.
Udawalawe Temperature in December
Min Temperature
21°C (70°F)
Max Temperature
30°C (86°F)
Chance of Rain
34%
Precipitation
243 mm (9.6 in)
Rainy days
10 days
Humidity
76% *
Sunshine
220 hours *
Percentage Sunshine
*
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Udawalawe typically stay consistent throughout December, with daily highs averaging around 30°C (86°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in December
Daily Historical Precipitation
45-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 Udawalawe in December
Browse day-by-day weather records for Udawalawe spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Udawalawe historical weather extremes in December
Our historical data for Udawalawe spans 2005 to 2025, revealing these weather extremes.
- The warmest day in December was on December 5, 2020, with a maximum of 34°C (93°F).
- Udawalawe experienced its chilliest December day on December 21, 2005, reaching only 23°C (73°F).
- The coldest night in December in Udawalawe was on December 15, 2020, with a minimum of 8°C (46°F).
- The heaviest December precipitation occurred on December 25, 2014, when 150 mm (5.9 in) of precipitation fell.
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 Udawalawe in December
Warm but pleasant conditions in Udawalawe in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Udawalawe 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 Udawalawe's climate page.
Temperature Rainfall Sunshine Humidity
See the full Udawalawe climate overview or explore weather in Sri Lanka.
