Crete Weather
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Live forecasts update automatically; written guidance last reviewed 14 June 2026 by the Pressorbit weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Crete’s Mediterranean climate means hot, dry summers and mild, wet winters. In Heraklion, July and August average highs of 28–30°C, while January sees 15°C. The live forecast above shows current conditions, but for planning, May and September offer the best balance of warmth and quieter crowds, with sea temperatures reaching 22–24°C.
How does the weather change through the year in Crete?
The island’s position in the southern Aegean gives it a classic Mediterranean rhythm. From November to March, rainfall dominates – Heraklion receives roughly 60–90mm per month, with January the wettest (around 90mm). April and October are transitional, with some rain but also long sunny spells. The dry season runs May through September, when monthly rainfall often drops below 10mm. Sunshine hours peak at 12–13 hours per day in July, compared to just 4–5 in December.
Crete in May: pre-summer warmth without the peak
May is one of the best months for a visit. Average highs in Heraklion reach 24°C, and lows are around 15°C – comfortable for exploring without overheating. Sea temperatures rise to about 20°C, suitable for swimming by the second half of the month. Rainfall is low (around 15mm over the entire month), and sunshine averages 10 hours daily. For the Crete weather May search, expect settled conditions with occasional breezes. It’s also a great time to combine a stay in Heraklion with a trip to Chania, where the climate is almost identical – Crete weather Chania shows similar figures, though Chania can be slightly cooler due to its northwestern position.
Crete in September: prolonged summer warmth
September often delivers the best of both worlds: the sea is still warm (around 24–25°C) and daily highs in Heraklion average 27°C, while the intense August heat fades. Rainfall stays minimal (approximately 20mm for the month), and sunshine remains generous at 9–10 hours per day. Night-time lows are around 19°C, so evenings are pleasant without a jacket. Many visitors find September more comfortable than July or August for active holidays – and it’s also a key month for the Crete weather forecast 14 days searches, as the transition towards autumn can bring short-lived weather changes. You can check the live forecast above for the latest, or compare with our 10-day forecast for Crete’s main towns.
Heraklion versus Chania: subtle microclimates
Both cities share the same broad Mediterranean pattern, but there are nuances. Heraklion, on the north-central coast, tends to be slightly warmer and drier than Chania, which lies further west and receives more rain (especially in winter). In July, Heraklion’s average high is 28–29°C, while Chania is 27–28°C. For travellers checking Crete weather Heraklion or Crete weather Chania, the differences are small enough not to change your holiday plans, but worth noting for activity timing. Many visitors also look up Crete weather BBC for its long-range models – the BBC’s 30-day outlook can give a general trend, though our UK weather hub includes links to other Mediterranean destinations such as Cyprus weather for comparison.
What to pack for Crete by season
For May and September: lightweight clothing, a jumper or light jacket for evenings, sunscreen, and a swimming costume. The sea is swimmable by mid-May and throughout September. For July and August: very light clothing, a hat, high-factor sunscreen, and maybe a thin scarf for sun protection. For winter (November–March): waterproof jacket, layers, and an umbrella – even Heraklion can have extended wet spells. The live conditions above show current temperatures, so adjust your packing accordingly.
Rainy season and quiet months
The rainy season runs from November to early March, with December and January the wettest (each averaging about 80–90mm). February is only slightly drier. During these months, daytime highs are 15–17°C, and sea temperatures drop to 16°C – too cold for most swimmers. Crowds thin out dramatically after October. For those searching weather in crete 10 days or Crete weather forecast 30 days, the autumn and winter forecasts often show alternating rain and sunny spells, so a flexible itinerary helps.
How hot is Crete in May?
In May, Heraklion averages highs of 24°C and lows of 15°C. Sea temperature reaches about 20°C by late May. It’s warm enough for sunbathing and swimming, but not uncomfortably hot – ideal for sightseeing and hiking. Occasional wind from the north can cool things down.
How hot is Crete in September?
September highs in Heraklion average 27°C, with lows around 19°C. The sea is still 24–25°C, making it perfect for swimming. The heat is less intense than August, and humidity is lower. Evenings are mild – you’ll rarely need more than a light jacket.
Is Crete rainy in December?
Yes, December is one of the wettest months. Heraklion gets around 80mm of rain spread over 12–14 days. Daytime highs are 16–17°C, and sunshine is limited to about 4 hours per day. If you visit in winter, expect some rain but also clear, sunny intervals between fronts.
What is the sea temperature in Crete year-round?
The sea off Heraklion ranges from 16°C in February to 26°C in August. Swimming is comfortable from June to October (22–26°C). May and September are borderline pleasant for most – around 20–24°C. November to April sees colder water, typically 16–19°C.
For the most up-to-date conditions, refer to the live forecast above. You can also explore other popular Mediterranean destinations via our Portugal weather guide for additional holiday ideas.
