Sri Lanka in August offers a diverse weather experience depending on the region you visit. While the southwest faces heavy rainfall due to the monsoon, the east coast and Cultural Triangle enjoy plenty of sunshine, making them ideal travel zones. Here's everything you need to know about travelling to Sri Lanka in August.
What’s the Weather Like in Sri Lanka in August?
- Temperature: 27°C to 32°C in most lowland areas, with cooler temperatures (14°C to 21°C) in the Central Highlands.
- Rainfall: Southwest sees frequent rain; east and north remain dry.
- Humidity: Ranges from 70%–85%, highest in coastal areas.
- Sunshine Hours: 5 to 8 hours depending on region.
- Wind: Moderate to strong winds along the coast due to the monsoon.
- Sea Conditions: Rough along the southwest and west coasts; calmer in the east.
Weather by Region in August
1. Northeast Coast (Trincomalee, Arugam Bay, Batticaloa)
- Best region to visit in August. The northeast experiences dry, sunny days perfect for beach lovers, snorkeling, and surfing (especially Arugam Bay).
- Temperature: 29°C – 33°C
- Rainfall: Minimal; around 50–70mm
- Sunshine: 7–8 hours/day
- Sea Conditions: Calm and swimmable
2. Southwest & West Coast (Colombo, Galle, Bentota)
- Under the grip of the Southwest Monsoon, this region experiences short but intense tropical showers—often in the afternoons or evenings.
- Temperature: 28°C – 30°C
- Rainfall: 200–300mm/month
- Sunshine: 4–6 hours/day
- Sea Conditions: Rough; water activities often limited
- Tip: If you don’t mind occasional rain, you’ll find great off-season hotel deals.
3. Central Highlands (Kandy, Ella, Nuwara Eliya)
- Cool and misty, with frequent rain and lush landscapes. Great for scenic train rides and tea estates, but outdoor treks may be affected by weather.
- Temperature: 18°C – 26°C
- Rainfall: 150–250mm/month
- Sunshine: 3–5 hours/day
- Tip: Pack warm clothes and waterproof gear.
4. Cultural Triangle (Sigiriya, Anuradhapura, Polonnaruwa)
- A hidden gem for August—dry, hot, and perfect for sightseeing.
- Temperature: 30°C – 32°C
- Rainfall: 50–100mm/month
- Sunshine: 7–8 hours/day
- Tip: Stay hydrated and wear sunscreen during daytime excursions.
Crowds and Costs in Sri Lanka in August
- East Coast: Peak season → higher hotel and activity costs.
- Southwest Coast: Shoulder season → fewer crowds and attractive discounts.
- Cultural Sites: Moderate footfall, ideal for a more relaxed experience.
- Tip: Book early if heading east; negotiate rates if traveling west.
Best Places to Visit in August
- Trincomalee & Arugam Bay – For beach days, dolphin watching, and surfing.
- Sigiriya & Polonnaruwa – For culture and history without peak-season crowds.
- Ella & Nuwara Eliya – For misty landscapes and tea plantations (best with a flexible schedule).
- Kandy – Visit during the Esala Perahera festival for a cultural deep dive.
For those who appreciate lush landscapes, cultural festivals, and a quieter tourist experience, August can be a fantastic month to visit Sri Lanka. With varying conditions across regions, you’ll have the freedom to choose destinations with favorable weather, such as the eastern beaches and Cultural Triangle. However, be prepared for rain if you’re exploring the southwest or central regions. Whether you’re interested in the cultural vibrance of the Kandy Esala Perahera or the tranquility of eastern beaches, August in Sri Lanka promises a memorable blend of nature, culture, and adventure.
