Greece · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Heraklion are April, May and October, when daytime temperatures are agreeable and rainfall is relatively low.
Heraklion sees its warmest weather in July, when daytime highs average around 30°C, and its coolest in January (around 14°C).
Annual precipitation totals roughly 629mm — December is typically the wettest month (~123mm) and August the driest (~2mm).
A distinctly wetter period runs from December to January — worth planning around if you prefer dry days.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 59 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 14° / 9°C | 120mm | 🤔 Fair |
| February | 15° / 9°C | 94mm | 🤔 Fair |
| March | 17° / 9°C | 66mm | 👍 Good |
| April | 21° / 12°C | 31mm | 🌟 Great |
| May | 25° / 16°C | 16mm | 🌟 Great |
| June | 29° / 20°C | 4mm | 🌟 Great |
| July | 30° / 22°C | 2mm | 🌟 Great |
| August | 30° / 22°C | 2mm | 🌟 Great |
| September | 28° / 20°C | 16mm | 🌟 Great |
| October | 24° / 17°C | 56mm | 🌟 Great |
| November | 19° / 13°C | 98mm | 👍 Good |
| December | 16° / 11°C | 123mm | 🤔 Fair |
January in Heraklion is mild, with average daytime highs around 14°C (58°F) and nighttime lows near 9°C (48°F). Expect roughly 120mm of precipitation, and this is one of the wetter months.
🎒 What to pack — light jacket · layers for cool evenings · compact umbrella or rain jacket
February in Heraklion is mild, with average daytime highs around 15°C (58°F) and nighttime lows near 9°C (47°F). Expect roughly 94mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light jacket · layers for cool evenings
March in Heraklion is mild, with average daytime highs around 17°C (62°F) and nighttime lows near 9°C (49°F). Expect roughly 66mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light jacket · layers for cool evenings
April in Heraklion is pleasantly warm, with average daytime highs around 21°C (69°F) and nighttime lows near 12°C (54°F). Expect roughly 31mm of precipitation, with little rainfall.
🎒 What to pack — light layers · comfortable walking shoes
May in Heraklion is pleasantly warm, with average daytime highs around 25°C (76°F) and nighttime lows near 16°C (60°F). Expect roughly 16mm of precipitation, and rain is rare.
🎒 What to pack — light layers · comfortable walking shoes
June in Heraklion is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 20°C (68°F). Expect roughly 4mm of precipitation, and rain is rare.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
July in Heraklion is warm, with average daytime highs around 30°C (86°F) and nighttime lows near 22°C (71°F). Expect roughly 2mm of precipitation, and rain is rare.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
August in Heraklion is warm, with average daytime highs around 30°C (86°F) and nighttime lows near 22°C (72°F). Expect roughly 2mm of precipitation, and rain is rare.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
September in Heraklion is warm, with average daytime highs around 28°C (82°F) and nighttime lows near 20°C (68°F). Expect roughly 16mm of precipitation, and rain is rare.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
October in Heraklion is pleasantly warm, with average daytime highs around 24°C (75°F) and nighttime lows near 17°C (62°F). Expect roughly 56mm of precipitation, with little rainfall.
🎒 What to pack — light layers · comfortable walking shoes
November in Heraklion is pleasantly warm, with average daytime highs around 19°C (66°F) and nighttime lows near 13°C (56°F). Expect roughly 98mm of precipitation, with a moderate amount of rain.
🎒 What to pack — light layers · comfortable walking shoes
December in Heraklion is mild, with average daytime highs around 16°C (60°F) and nighttime lows near 11°C (51°F). Expect roughly 123mm of precipitation, and this is one of the wetter months.
🎒 What to pack — light jacket · layers for cool evenings · compact umbrella or rain jacket