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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Current UK weather desk. Data from national met services via Open-Meteo.
Cadiz enjoys a mild, Mediterranean climate with over 300 days of sunshine a year, making it a reliable year-round destination; the live forecast above gives the current conditions for your visit.
When is the best time to visit Cadiz?
The shoulder months of May, June, and September offer the best balance of warm weather and manageable crowds. July and August are the hottest, with daily highs often exceeding 30°C, but the coastal breeze keeps things bearable. For budget-conscious travellers, consider visiting in late autumn or early spring, when accommodation prices drop significantly and temperatures remain pleasant for sightseeing.
What should you pack for the weather in Cadiz?
Lightweight clothing is essential from June through September, along with a sun hat and high-factor sunscreen. A light jacket or jumper is useful for cooler evenings, especially from November to March. Rain is infrequent but most likely between December and February, so a compact waterproof is wise if you are checking the 10 day weather forecast UK equivalent for your trip.
Cadiz weather year round – what to expect
Winters are mild and relatively short, with daytime temperatures averaging 15–17°C. Summers are long, dry, and hot, though the sea breeze from the Atlantic moderates the heat. Spring and autumn are transitional periods with comfortable temperatures ideal for exploring the old town. The cadiz weather year round pattern shows very little frost or snow, making it a safe bet for winter sun seekers.
Is Cadiz too hot in August?
August can feel very hot, with highs often around 30°C, but the coastal breeze and early morning swims make it manageable. Many locals take a siesta during the hottest part of the afternoon (2pm–5pm).
Does it rain a lot in Cadiz in December?
December is the wettest month, with an average of 90 mm of rain spread over roughly 8 days. However, showers are usually short, and you can still expect some sunny spells. Checking the cadiz weather december outlook is advisable before packing.
Can you swim in the sea year round?
Sea temperatures are warmest from July to September (22–24°C), ideal for swimming. In winter, the water drops to around 15°C, which is brisk but still possible for hardy swimmers.
For more UK-focused travel insight, see our UK weather hub or check conditions in Bristol Weather before you fly.