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Unawatuna Weather in August
Unawatuna in August averages 29°C (84°F) during the day and 26°C (79°F) at night. August is part of the rainy season, so frequent rainfall is typical.
Rainfall in Unawatuna in August
Unawatuna is in the rainy season in August, with rain on around 10 days and an average of 222 mm (8.7 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 Unawatuna in August
In August, Unawatuna gets high temperatures, with highs of 29°C (84°F). Nights cool to around 26°C (79°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 26°C (79°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Unawatuna in August
Expect sunny days throughout the month, with an estimated 201 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.For Unawatuna itself, January generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Unawatuna Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
32%
Precipitation
222 mm (8.7 in)
Rainy days
10 days
Sunshine
201 hours *
Percentage Sunshine
*
* Data from: Galle, Sri Lanka (5 KM, 3 Miles).
Unawatuna Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Unawatuna - and find the best time to visit.
Historical weather records for Unawatuna in August
Browse day-by-day weather records for Unawatuna spanning 25 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Unawatuna historical weather extremes in August
According to our 23 years of weather records for Unawatuna, the following extremes were recorded between 2003 and 2026.
- On August 23, 2022, temperatures climbed to 38°C (100°F), marking the warmest August day on record.
- The lowest daytime temperature in August was 26°C (79°F), recorded on August 22, 2014.
- Unawatuna registered its coldest August night on August 8, 2019, with temperatures dropping to 18°C (64°F).
- Peak precipitation in August occurred on August 22, 2014, when 106 mm (4.2 in) of precipitation was measured.
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
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 Unawatuna in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Unawatuna in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming8/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Unawatuna 3-Day Forecast
More climate data for Unawatuna
See the full Unawatuna climate overview or explore weather in Sri Lanka.
Popular in August
Where to go in August - average daytime high across popular destinations.
Colombo
30°C (86°F) Negombo30°C (86°F) Mirissa29°C (84°F) Unawatuna29°C (84°F) Hikkaduwa29°C (84°F) Galle29°C (84°F) Kandy
29°C (84°F) Nuwara Eliya28°C (82°F) Bucket list
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