Visit Adams Peak
Adam's Peak is a holy mountain which pilgrims visit for over a thousand years. Here Adam (according to the Christians) would have set his first footstep after being sent down from heaven.
Adams Peak Weather in December
In Adams Peak, December brings high daytime temperatures around 28°C (82°F), with nights cooling to 20°C (68°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Adams Peak in December
Adams Peak is in the rainy season in December, with rain on around 12 days and an average of 497 mm (20 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.
Temperature in Adams Peak in December
Daytime temperatures in Adams Peak reach 28°C (82°F) in December, dropping to 20°C (68°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 20°C (68°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Adams Peak in December
The city usually sees around 218 hours of sunlight, indicating many sunny days despite it being the rainy season.Our weather planner can help you find worldwide destinations with pleasant weather during this period. August typically offers the best weather for Adams Peak.
Adams Peak Temperature in December
Min Temperature
20°C (68°F)
Max Temperature
28°C (82°F)
Chance of Rain
40%
Precipitation
497 mm (20 in)
Rainy days
12 days
Humidity
73% *
Sunshine
218 hours *
Percentage Sunshine
*
* Data from: Ratnapura, Sri Lanka (17 KM, 10 Miles).
Adams Peak Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Adams Peak - and find the best time to visit.
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Adams Peak typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows around 17°C (63°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 records for Adams Peak in December
Browse day-by-day weather records for Adams Peak spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Adams Peak historical weather extremes in December
Based on 20 years of weather observations (2005-2025), these are the most extreme conditions recorded in Adams Peak.
- On December 1, 2011, temperatures climbed to 34°C (93°F), marking the warmest December day on record.
- The coldest December day was on December 21, 2005, with a maximum of 17°C (63°F).
- The lowest overnight temperature recorded in December was 5°C (41°F) (December 31, 2006).
- The heaviest December precipitation occurred on December 23, 2020, when 81 mm (3.2 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
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 Adams Peak in December
Warm but pleasant conditions in Adams Peak 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 Adams Peak 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
Adams Peak 3-Day Forecast
More climate data for Adams Peak
Temperature Rainfall Sunshine Humidity
See the full Adams Peak 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
Need travel inspiration? Check out our bucket list articles and be inspired.
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