Kalutara Weather in August
With daytime temperatures of 30°C (86°F) and nighttime lows of 25°C (77°F), August in Kalutara brings high temperatures during the day. Do keep in mind that August is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in Kalutara in August
As part of the rainy season, Kalutara sees around 10 days of rain in August, with an average of 260 mm (10 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Kalutara in August
In August, expect high temperatures in Kalutara, with highs of 30°C (86°F) and lows of 25°C (77°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Kalutara in August
The month enjoys around 202 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.August in Kalutara can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options 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 Kalutara's climate page.
Kalutara Temperature in August
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Chance of Rain
35%
Precipitation
260 mm (10 in)
Rainy days
10 days
Humidity
77% *
Sunshine
202 hours *
Percentage Sunshine
*
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Kalutara typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in August
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 August
Historical weather for Kalutara in August
Browse day-by-day weather records for Kalutara spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kalutara historical weather extremes in August
Our historical data for Kalutara spans 1996 to 2025, revealing these weather extremes.
- The hottest August day on record in Kalutara reached 34°C (93°F) (August 10, 2015).
- On August 23, 1996, Kalutara saw its coldest August day with temperatures maxing out at 25°C (77°F).
- Kalutara registered its coldest August night on August 3, 2019, with temperatures dropping to 17°C (63°F).
Best Places in Sri Lanka in August
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 August →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Kalutara in August
Warm but pleasant conditions in Kalutara in August. 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Kalutara in August
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 Kalutara's climate page.
Temperature Rainfall Sunshine Humidity
See the full Kalutara climate overview or explore weather in Sri Lanka.
