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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Check the live forecast above for your trip timing. Split enjoys a Mediterranean climate, so the best months for sun and swimming are June through September, while spring and autumn offer milder conditions for sightseeing.
What is the best time to visit Split?
May to September are ideal for beach weather, with highs around 26–30°C in summer. July and August are peak season, so book early. For a quieter trip, consider late spring or early autumn when the split weather by month data shows pleasant temperatures and fewer crowds.
What should I pack for Split weather?
In summer pack light clothing, swimwear, sunscreen and a hat. Evenings can be cool, so bring a light jacket. For winter visits, a warm coat and rain gear are essential as split weather December averages 5–12°C and rain is common. Comfortable shoes are a must for the old town.
Does Split have good weather in December?
December in Split is cool and damp, with temperatures of 5–12°C and frequent rain. It’s not a beach month, but the city is quiet and festive. Pack warm layers and waterproof shoes.
How reliable are 15-day forecasts for Split?
A split weather 15 day forecast gives a general trend but becomes less accurate after 7–10 days. For the best planning, rely on the 7-day forecast in the live data above and check split weather 10 days as your trip nears.
Can I swim in Split outside summer?
Sea temperatures in May are around 18°C and in October about 20°C, so swimming is possible but brisk. In July and August the water reaches 24–26°C, ideal for long swims. Check the live forecast above for current sea temps.
Sources
For other coastal climates, see our Sydney Weather page, or browse the Australia Weather Hub for year-round travel advice.