Temperature: Daytime highs average around 12°C (54°F), and nighttime lows drop to 8°C (46°F).
Weather: The weather is cool and damp, with occasional rainfall and cloudy days. Snow is rare, but it can get quite windy.
Sea Temperature: The sea temperature is around 15°C (59°F), which is too cold for most people to swim comfortably.
February
Temperature: Similar to January, with daytime highs around 12°C (54°F) and nighttime lows around 8°C (46°F).
Weather: The weather remains cool and wet with the possibility of occasional rain showers.
Sea Temperature: The sea remains cool at around 15°C (59°F).
March
Temperature: Daytime highs range from 15°C to 17°C (59°F to 63°F), and nighttime lows drop to around 10°C (50°F).
Weather: Spring begins, but there can still be rainy days. The weather is generally mild and variable.
Sea Temperature: The sea temperature remains chilly at around 15°C (59°F).
April
Temperature: Daytime temperatures range from 17°C to 20°C (63°F to 68°F), with cooler nights around 12°C (54°F).
Weather: The weather starts to improve with more sunshine, but occasional showers are still possible.
Sea Temperature: The sea temperature is still cool at around 16°C (61°F).
May
Temperature: Daytime highs reach 20°C to 24°C (68°F to 75°F), and nighttime lows stay around 15°C (59°F).
Weather: The weather is generally pleasant, with more sunshine and fewer rainy days.
Sea Temperature: The sea begins to warm up to around 18°C to 20°C (64°F to 68°F), making swimming more comfortable.
June
Temperature: Daytime highs are between 25°C and 30°C (77°F to 86°F), and nighttime temperatures are around 20°C (68°F).
Weather: Hot, dry, and sunny weather. Rain is rare, and the island starts to get busier with tourists.
Sea Temperature: The sea temperature is warm, around 22°C to 24°C (72°F to 75°F), ideal for swimming.
July
Temperature: Daytime highs are typically 30°C to 33°C (86°F to 91°F), with nighttime lows around 24°C (75°F).
Weather: The weather is hot and dry, with little to no rain. The Meltemi wind provides some relief from the heat.
Sea Temperature: The sea is warm, with temperatures ranging from 24°C to 26°C (75°F to 79°F), perfect for swimming.
August
Temperature: Similar to July, with daytime highs of 30°C to 33°C (86°F to 91°F) and nighttime lows around 24°C (75°F).
Weather: Hot, dry, and sunny weather with little rain. The island remains very popular with tourists.
Sea Temperature: The sea temperature remains warm at around 24°C to 26°C (75°F to 79°F), making it ideal for beach activities.
September
Temperature: Daytime highs drop to 25°C to 28°C (77°F to 82°F), and nighttime lows are around 20°C (68°F).
Weather: The weather is still warm and sunny, but the crowds start to thin out. Occasional rainfall can occur.
Sea Temperature: The sea remains warm, around 22°C to 24°C (72°F to 75°F), perfect for swimming.
October
Temperature: Daytime temperatures range from 20°C to 25°C (68°F to 77°F), and nighttime lows are around 15°C to 18°C (59°F to 64°F).
Weather: The weather is pleasant with sunny days, but there is a higher chance of rainfall as the month progresses.
Sea Temperature: The sea temperature remains comfortable at around 20°C to 22°C (68°F to 72°F).
November
Temperature: Daytime highs drop to 15°C to 18°C (59°F to 64°F), and nighttime lows fall to 10°C to 12°C (50°F to 54°F).
Weather: The weather is mild but increasingly cool, with more frequent rain showers.
Sea Temperature: The sea is cooler, with temperatures around 17°C to 19°C (63°F to 66°F).
December
Temperature: Daytime highs are around 12°C to 15°C (54°F to 59°F), and nighttime lows drop to 8°C (46°F).
Weather: The weather is cool and damp, with more frequent rainfall and windy conditions.
Sea Temperature: The sea temperature drops to around 15°C (59°F), which is cold for swimming.
In summary, Mykonos experiences hot, dry summers, mild winters, and pleasant spring and autumn months, making it a popular year-round destination, especially during the warmer months of May to October.