Sun, sea & sand

Symi weather in January

Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.

18

Holiday weather in January

Poor

Best time to visit: June – October

What is the weather like in Symi in January?

In January, Symi is cool: daytime highs average 15 °C, and nights cool down to about 12 °C. The sea averages 18.0 °C – bracing, so a wetsuit helps for longer swims. Expect around 5 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 118 mm in total. All in all, January is not an ideal month for a holiday in Symi.

January compared

How the weather changes from December to February. Tap a month to open it.

DecemberDecJanuaryJanFebruaryFeb
Score231821
Day16°15°15°
Night14°12°12°
Sea20°18°17°
Sun5 h5 h6 h
Rain days121310

More details for January

Daylight
9 h 55 min07:20 – 17:15
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
26 km/haverage daily peakAll months
Cloud cover
48 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+2Europe/Athens

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %14 %
  • Sunshineweight 20 %32 %
  • Few rainy daysweight 20 %39 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in January

  • A jumper for the evenings
  • Rain jacket or umbrella

Symi in January: quick answers

Is Symi hot in January?

No. In January, Symi is cool: daytime highs average 15 °C and nights drop to about 12 °C.

Can you swim in Symi in January?

Only if you don't mind cold water: in January the sea averages just 18.0 °C. Comfortable swimming is possible from June to November.

Does it rain much in Symi in January?

Rain is frequent, with about 13 rainy days and 118 mm in total.

Symi month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences