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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
July in Sri Lanka is the heart of the southwest monsoon, bringing heavy rain to the west and south coasts while the east and north stay drier and sunnier – a classic split-season pattern.
What’s the weather actually like across the country?
The live forecast above shows the day-to-day variation, but the big picture is consistent. The southwest monsoon (Yala season) drenches Colombo, Galle and the hill country with frequent downpours, strong winds and high humidity. Meanwhile, the east coast – Trincomalee, Batticaloa, Arugam Bay – enjoys mostly dry, sunny days with lighter winds. Temperatures hover around 28–32°C in coastal areas, a little cooler in the central highlands (20–24°C). Sea conditions are rougher on the western side, calmer on the east.
Is July a good time to visit?
It depends entirely on where you go. If you want beach weather, head east. If you’re after cultural sights in Kandy or the Cultural Triangle, expect rain but also fewer crowds. The best time to visit Sri Lanka for the west coast is December–March; July is the worst time to visit Sri Lanka for those regions. For surfers, Arugam Bay peaks in July–August with consistent swell and offshore winds.
Does it rain all day in July?
No – in the wet southwest, rain often comes in heavy bursts, especially in the afternoon, with sunny mornings. East coast days stay mostly dry. Check the live forecast above for your specific location.
What should I pack for a Sri Lanka in July itinerary?
Light, quick-dry clothing, a rain jacket or umbrella, insect repellent and reef-safe sunscreen. If visiting the hill country, bring a light jumper for cooler evenings.
How does Sri Lanka weather in July compare to August?
Very similar – both months are peak southwest monsoon. August can be slightly wetter on the west coast, but the east stays dry. For a more detailed breakdown, see our Phuket Weather By Month guide (similar monsoon timing).
Sources
Compare conditions with Australia weather hub or see Weather 10 Days for your next trip. For seasonal planning, Delhi Weather and Turkey Weather offer different monsoon contrasts.