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Ischia, Italy · Temperate oceanic

Ischia in December: go or not?

Tough period. Ischia in December only reaches 4.3/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 40.73°N · 13.90°E
⚡ This month's verdict
Avoid
Ischia · December
4.3
7–11°
Temperature
24%
Rain
4h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Mihaela Claudia Puscas via Unsplash
The month in detail

What to expect in December

In December, Ischia sees 11°C during the day with 4.4h of sunshine per day. Rain risk remains low (24% of days), leaving good room for outdoor activities.

December ranks 7 out of 12 months in Ischia. Compared to November: −3°C daytime, 12 pts fewer rainy days.

This month's conditions

What it's like in December

UV index
2 · low
no protection needed
Feels like
dry air
4°
Sea
18°C
cold, for the brave
Daylight
9.1h of daylight
Air quality
good
AQI 28
Compare

Is December the right month?

The best month in Ischia is July (9.0/10), 4.7 pts higher than December.

See July →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Ischia

GetYourGuide selection · free cancellation

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Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.

Country · Italy

🗣️LanguageItalian
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘ+1.49°C/decade
🔥Hottest monthJuly · 24°C
❄️Coolest monthJanuary · 9°C
🌧️Rainiest month ⓘNovember · 36%

🏖️ Beach holiday

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Location

Where is Ischia ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Italy
Temperate oceanic climate with a 9.0 → 4.1 gap between best and worst month. 10 years of ERA5 data to choose by project.
40.73°N · 13.90°E
Questions

Frequently asked questions

What is the best time to visit Ischia?
July is the best month with 24.0°C highs, 20.0°C lows, 9.6h of sunshine and 5.0% rainy days. The months of July & August offer comparable conditions.
How many hours of sunshine does Ischia get in July?
Ischia averages 9.6 sunshine hours per day in July. It is the sunniest month with a climate score of 8.6/10.
What is the rainiest month in Ischia?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Ischia in July?
In July, overnight lows reach 20.0°C, while afternoon highs average 24.0°C.
Is Ischia good in winter?
In winter (December-February), Ischia scores 4.0/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 8.6/10.
When should you avoid Ischia?
January is the most difficult month to visit Ischia, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Ischia in December?
In December, the sea averages 18°C in Ischia: cold, for the brave. Best left to hardened swimmers or those with a wetsuit.
Do you need sun protection in Ischia in December?
The average UV index reaches 2 in December in Ischia (low), with about 9.1h of daylight. No protection needed.