Ischia Weather in January
January in Ischia brings moderate temperatures, with daytime highs of 14°C (57°F) and nights around 11°C (52°F). Quite a bit of rainfall is expected, around 109 mm (4.3 in), so pack an umbrella.
Rainfall in Ischia in January
You can expect rain on roughly 14 days based on historical data, averaging 109 mm (4.3 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Ischia in January
In January, Ischia sees moderate temperatures, with highs of 14°C (57°F). Nights drop to around 11°C (52°F). January marks the winter season. Conditions are often most pleasant around the middle of the day. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Ischia in January
The city usually sees around 114 hours of sunlight, indicating a moderately sunny period.
Average water temperature in January
With water at 15°C (59°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Ischia. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Italy, check out our Ischia's climate page.
Ischia Temperature in January
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Ischia typically stay consistent throughout January, with daily highs averaging around 14°C (57°F). Nights are cold, with lows around 5°C (41°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Ischia in January
Browse day-by-day weather records for Ischia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ischia historical weather extremes in January
Based on 49 years of weather observations in Ischia between 1976 and 2025, these are the recorded extremes.
- The hottest January day on record in Ischia reached 20°C (68°F) (January 7, 2001).
- The coldest January day was on January 10, 1985, with a maximum of 2°C (36°F).
- The lowest overnight temperature recorded in January was -5°C (23°F) (January 9, 1987).
Best Places in Italy in January
Find out more about the weather in Italy and which places have the best travel conditions in this month. See all of Italy in January →
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What to Wear in Ischia in January
The weather can be unpredictable in January, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 15°C (59°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Ischia in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Italy, check out our Ischia's climate page.
Temperature Rainfall Sunshine Water Temp
See the full Ischia climate overview or explore weather in Italy.