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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Briefly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
In July, Sri Lanka experiences its southwest monsoon, bringing heavy rain to the west and south coasts, while the east coast enjoys drier, sunnier conditions. Daytime temperatures average 28–32°C across the island, with high humidity and strong winds typical of the season.
What is the typical July weather pattern across Sri Lanka?
The southwest monsoon dominates in July, delivering persistent rain to Colombo, Galle, and the hill country (Nuwara Eliya), where monthly rainfall can exceed 250 mm. The east coast (Trincomalee, Batticaloa) remains relatively dry, with 30–60 mm of rain and more sunshine. The live forecast above shows current conditions for your chosen location. For those planning a trip, the best time to visit Sri Lanka for beach weather is December to April on the west coast, or May to September on the east coast.
Is July a good month to travel to Sri Lanka?
July is ideal for east coast beach holidays and wildlife safaris (Yala National Park), but less suitable for the west and south coasts due to frequent showers. Consider a sri lanka in july itinerary focusing on Trincomalee, Arugam Bay, and Kandy. The worst time to visit Sri Lanka for the west coast is during the southwest monsoon (May–August), though the east coast is at its peak.
Does it rain all day in Sri Lanka in July?
Not usually. Showers are often heavy but brief, especially in the morning or late afternoon. The east coast sees much less rain, with many sunny days ideal for swimming and sightseeing.
What is the sea temperature in July?
Sea temperatures hover around 27–29°C (81–84°F), warm for swimming. Conditions are calmer on the east coast; the west coast may have rougher seas due to monsoon winds.
How does July compare to August?
Both months are similar—heavy rain on the west, dry on the east. For sri lanka weather august, expect slightly less rain in the south-west as the monsoon weakens, but the east coast remains very good.
For broader Australian conditions, see our Australia weather hub or check a 10-day forecast. For other destinations, explore Phuket weather by month.