Mykonos, Greece Climate & Monthly Averages
The climate of Mykonos
Weather in Mykonos is shaped by its semi-arid climate - expect big day-to-night temperature swings and modest rainfall. July afternoons typically reach 81°F (27°C), while January highs hover near 55°F (13°C). Annual precipitation averages 13.8 inches (350 mm) over about 56 rainy days.
Climate quick facts
- Hottest month: July - highs near 81°F (27°C)
- Coldest month: January - highs near 55°F (13°C)
- Record high: 97°F (36°C) · Record low: 34°F (1°C) (2015–2024)
- Wettest month: January (12 rainy days) · Sunniest: June (13.8 h sun/day)
- Climate type: semi-arid - big day-to-night temperature swings and modest rainfall
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 81°F (27°C) and overnight lows stay near 73°F (23°C). The coolest month is January, with typical highs of 55°F (13°C) and lows around 49°F (9°C). Based on 2015–2024 weather data, temperatures have reached as high as 97°F (36°C) and dropped as low as 34°F (1°C).
Rain, sun and snow
January is usually the wettest month. It brings about 3.2 inches (80 mm) of rain over 12 days, while August is the driest. June brings the most sunshine, averaging 13.8 hours of sun a day. Snowfall is rare but not unheard of.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 55° | 49° | 12 | 3.2 in | 7.4 h/day | 69% |
| February | 56° | 50° | 7 | 1.8 in | 8.9 h/day | 70% |
| March | 58° | 51° | 7 | 1.6 in | 10.0 h/day | 68% |
| April | 64° | 56° | 3 | 0.8 in | 11.4 h/day | 68% |
| May | 70° | 62° | 4 | 0.5 in | 12.6 h/day | 69% |
| June | 77° | 69° | 2 | 0.2 in | 13.8 h/day | 68% |
| July | 81° | 73° | 0 | 0.1 in | 13.7 h/day | 65% |
| August | 81° | 74° | 1 | 0.1 in | 12.9 h/day | 68% |
| September | 77° | 70° | 1 | 0.4 in | 11.7 h/day | 68% |
| October | 70° | 64° | 3 | 0.7 in | 10.0 h/day | 71% |
| November | 64° | 58° | 7 | 1.8 in | 8.8 h/day | 72% |
| December | 58° | 52° | 9 | 2.5 in | 7.7 h/day | 71% |
Mykonos month by month
Mykonos weather in January
January brings highs around 55°F (13°C), lows near 49°F (9°C), about 12 wet days - typically the coldest month and the wettest month of the year in Mykonos.
Mykonos weather in February
February brings highs around 56°F (14°C), lows near 50°F (10°C), about 7 wet days.
Mykonos weather in March
March brings highs around 58°F (15°C), lows near 51°F (11°C), about 7 wet days.
Mykonos weather in April
April brings highs around 64°F (18°C), lows near 56°F (13°C), about 3 wet days.
Mykonos weather in May
May brings highs around 70°F (21°C), lows near 62°F (16°C), about 4 wet days.
Mykonos weather in June
June brings highs around 77°F (25°C), lows near 69°F (20°C), about 2 wet days - typically the sunniest month of the year in Mykonos.
Mykonos weather in July
July brings highs around 81°F (27°C), lows near 73°F (23°C), about 0 wet days - typically the hottest month of the year in Mykonos.
Mykonos weather in August
August brings highs around 81°F (27°C), lows near 74°F (23°C), about 1 wet days - typically the driest month of the year in Mykonos.
Mykonos weather in September
September brings highs around 77°F (25°C), lows near 70°F (21°C), about 1 wet days.
Mykonos weather in October
October brings highs around 70°F (21°C), lows near 64°F (18°C), about 3 wet days.
Mykonos weather in November
November brings highs around 64°F (18°C), lows near 58°F (14°C), about 7 wet days.
Mykonos weather in December
December brings highs around 58°F (14°C), lows near 52°F (11°C), about 9 wet days.
Seasons in Mykonos
Spring (March through May)
Spring in Mykonos is mild, with daytime highs averaging 64°F (18°C) and nights around 56°F (13°C); rain falls on about 14 days over the three months.
Summer (June through August)
Summer in Mykonos is mild and warm, with daytime highs averaging 80°F (26°C) and nights around 72°F (22°C); precipitation is infrequent.
Fall (September through November)
Fall in Mykonos brings comfortable warmth, with daytime highs averaging 70°F (21°C) and nights around 64°F (18°C); rain falls on about 11 days over the three months.
Winter (December through February)
Winter in Mykonos is mild, with daytime highs averaging 56°F (14°C) and nights around 50°F (10°C); expect showers on roughly 28 days across the season.
Climate questions, answered
What is the average temperature in Mykonos?
Is Mykonos hot in summer?
Is Mykonos cold in winter?
How many rainy days does Mykonos get in a year?
Best time to visit Mykonos
The best time to visit Mykonos is generally April to September, when temperatures are at their most comfortable before or after the peak heat. Daytime temperatures in that window typically sit near 75°F (24°C).
Pack for Mykonos with a warm jacket and layers for the cooler season; rain gear if you travel around January. Evenings can feel noticeably cooler than afternoons - July nights average 73°F (23°C).
Mykonos temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.