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Deniyaya Weather in December
In Deniyaya, December brings high daytime temperatures around 30°C (86°F), with nights cooling to 21°C (70°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Deniyaya in December
Deniyaya is in the rainy season in December, with rain on around 11 days and an average of 296 mm (12 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Deniyaya in December
December in Deniyaya brings high temperatures, with highs of 30°C (86°F) and nights around 21°C (70°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights are mild at around 21°C (70°F), which is comfortable for most people.
Sunshine in Deniyaya in December
The city usually sees around 218 hours of sunlight, indicating many sunny days despite it being the rainy season.December in Deniyaya has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Deniyaya Temperature in December
Min Temperature
21°C (70°F)
Max Temperature
30°C (86°F)
Chance of Rain
36%
Precipitation
296 mm (12 in)
Rainy days
11 days
Humidity
73% *
Sunshine
218 hours *
Percentage Sunshine
*
* Data from: Ratnapura, Sri Lanka (41 KM, 25 Miles).
Deniyaya Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Deniyaya - and find the best time to visit.
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
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Deniyaya in December
Warm but pleasant conditions in Deniyaya 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Deniyaya in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming8/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Deniyaya 3-Day Forecast
More climate data for Deniyaya
Temperature Rainfall Sunshine Humidity
See the full Deniyaya climate overview or explore weather in Sri Lanka.
Popular in December
Where to go in December - average daytime high across popular destinations.
Colombo
31°C (88°F) Negombo31°C (88°F) Unawatuna29°C (84°F) Galle29°C (84°F) Mirissa30°C (86°F) Hikkaduwa29°C (84°F) Kandy27°C (81°F) Nuwara Eliya25°C (77°F) Bucket list
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