Sun, sea & sand

Ýdra weather in January

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

21

Holiday weather in January

Poor

Best time to visit: June – September

What is the weather like in Ýdra in January?

In January, Ýdra is cool: daytime highs average 13 °C, and nights cool down to about 9 °C. The sea averages 15.7 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain falls on about 7 days, adding up to 49 mm. All in all, January is not an ideal month for a holiday in Ýdra.

January compared

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

DecemberDecJanuaryJanFebruaryFeb
Score212125
Day15°13°14°
Night11°9°9°
Sea18°16°15°
Sun4 h5 h6 h
Rain days876

More details for January

Daylight
9 h 51 min07:39 – 17:30
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
15 km/haverage daily peakAll months
Cloud cover
51 %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 %0 %
  • Sunshineweight 20 %27 %
  • Few rainy daysweight 20 %79 %

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

Ýdra in January: quick answers

Is Ýdra hot in January?

No. In January, Ýdra is cool: daytime highs average 13 °C and nights drop to about 9 °C.

Can you swim in Ýdra in January?

Only if you don't mind cold water: in January the sea averages just 15.7 °C. Comfortable swimming is possible from June to November.

Does it rain much in Ýdra in January?

Rain falls on about 7 days, adding up to 49 mm.

Ýdra 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