Mykonos weather in December
December is one of the least pleasant months in Mykonos: highs of 15°C (60°F) and about 93 mm (3.7 in) of rain on average. Nights average 14°C (56°F) and cloud cover 73% (NASA POWER, 2001–2025 averages). The sea averages 18°C (64°F). It is the 2nd wettest month of the year and the 4th coolest. Compared with November, it is cooler and wetter; January brings highs of 14°C (57°F) and 100 mm (3.9 in) of rain.
Is December a good time to visit Mykonos?
least pleasant month Weather score 56/100.
December is one of the least pleasant months for weather in Mykonos. For better conditions, consider May–Sep.
Does it rain a lot in Mykonos in December?
Some rain is normal: about 93 mm (3.7 in) falls in an average December. It is the 2nd wettest month of the year.
How warm is Mykonos in December?
Days average 15°C (60°F) and nights 14°C (56°F).
Mykonos weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 14°C (57°F) | 12°C (54°F) | 100 mm | 71% | 17°C (62°F) | least pleasant |
| February | 14°C (57°F) | 12°C (54°F) | 84 mm | 68% | 16°C (61°F) | least pleasant |
| March | 15°C (59°F) | 13°C (56°F) | 48 mm | 59% | 16°C (61°F) | fair |
| April | 17°C (62°F) | 15°C (59°F) | 29 mm | 53% | 17°C (63°F) | fair |
| May | 20°C (67°F) | 18°C (65°F) | 21 mm | 41% | 19°C (66°F) | best |
| June | 23°C (74°F) | 22°C (71°F) | 9 mm | 21% | 22°C (72°F) | best |
| July | 25°C (77°F) | 24°C (74°F) | 3 mm | 10% | 24°C (76°F) | best |
| August | 25°C (78°F) | 24°C (75°F) | 2 mm | 10% | 26°C (78°F) | best |
| September | 24°C (75°F) | 22°C (72°F) | 20 mm | 25% | 25°C (77°F) | best |
| October | 21°C (70°F) | 20°C (67°F) | 46 mm | 46% | 22°C (72°F) | fair |
| November | 18°C (65°F) | 17°C (62°F) | 68 mm | 64% | 19°C (67°F) | fair |
| December | 15°C (60°F) | 14°C (56°F) | 93 mm | 73% | 18°C (64°F) | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months