Monthly climate guide
Íos weather in December
December in Íos is typically mild, with average daytime highs around 16°C (61°F) and night-time lows near 15°C (58°F). The month usually brings about 74 mm of rain (some rain) and is often cloudy. Daytime highs are 3°C cooler than November and 2°C warmer than January.
What stands out in December
- Rain is above Íos's usual level, by about 97%.
- Expect more cloud than at any other time of year.
- Seasonally, December counts as early winter in Íos.
- There's little difference between day and night (around 2°C).
Avg high
16°C
61°F
Avg low
15°C
58°F
Rainfall
74 mm
some rain
Humidity
74%
relative
Sky
56%
cloud · often cloudy
Íos weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 15°C / 58°F | 13°C / 55°F | 93 mm | 74% | 60% |
| February | 15°C / 59°F | 13°C / 56°F | 73 mm | 76% | 55% |
| March | 16°C / 60°F | 14°C / 57°F | 46 mm | 76% | 51% |
| April | 18°C / 64°F | 16°C / 60°F | 22 mm | 77% | 42% |
| May | 21°C / 69°F | 19°C / 66°F | 18 mm | 78% | 36% |
| June | 24°C / 76°F | 23°C / 73°F | 7 mm | 76% | 16% |
| July | 27°C / 80°F | 25°C / 76°F | 3 mm | 74% | 7% |
| August | 27°C / 80°F | 25°C / 77°F | 3 mm | 75% | 6% |
| September | 25°C / 77°F | 24°C / 74°F | 18 mm | 74% | 16% |
| October | 22°C / 71°F | 21°C / 69°F | 40 mm | 75% | 34% |
| November | 19°C / 66°F | 18°C / 64°F | 53 mm | 75% | 49% |
| December | 16°C / 61°F | 15°C / 58°F | 74 mm | 74% | 56% |
What to pack for December
- A warm sweater or fleece for layering
- A mid-weight jacket
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is December a good time to visit Íos?
Compare the months in the chart above to find your ideal window.
Best time to visit Íos →Other Greece cities in December
Cite or embed this data
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Íos weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/greece/ios/december
<a href="https://weathercompare.eu/weather/greece/ios/december">Íos weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/greece/ios" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Íos weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/greece/ios/december">Íos weather in December</a> – WeatherCompare</p>
Íos in December: quick answers
Is December a good time to visit Íos?
December is a reasonable time for Íos: highs around 16°C and about 74 mm of rain, though not one of the three best months.
How warm is Íos in December?
Average highs are about 16°C (61°F) and average lows about 15°C (58°F), based on 10 years of daily data.
Does it rain a lot in Íos in December?
Íos typically gets around 74 mm of rain in December — some rain.
Figures are long-term averages for the area around Íos (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.