Naples in January
In January, Naples averages 13°C (55°F) during the day and 4°C (39°F) at night, with around 9 days of rain (90 mm total).
ShoulderConditions are cool — bring a jacket for evenings. Occasional showers are likely but won't dominate.
January in Naples is outside the typical sweet spot for sightseeing weather. It can still be a great time to visit if you have specific reasons (festivals, off-season pricing, etc.).
How January compares to the rest of the year in Naples
January is one of the coolest months in Naples (11th of 12) and one of the wettest months (1st of 12). Daytime temperature runs 8°C below the annual average (21°C). January runs roughly the same as December (13°C) and warms a further 1°C into February (14°C).
January sunrise & sunset in Naples
Times shown for Naples local time (Europe/Rome), calculated for the 15th of January. They shift by a few minutes day to day across the month.
Photography light in Naples — January
Golden-hour and blue-hour windows for the 15th of January, in Naples's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Naples in January
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on January's tier (Shoulder) and Naples's popularity.
Crowds & pricing — January in Naples
Naples is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — January in Naples
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Naples — January
Across the year Naples's sea swings from 15°C (February) to 27.4°C (August) — January sits at 16.4°C.
Naples in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 13°C / 55°F | 4°C / 39°F | 90 mm | 9 | 0 |
| February | 14°C / 57°F | 4°C / 39°F | 75 mm | 8 | 0 |
| March | 16°C / 61°F | 7°C / 45°F | 70 mm | 8 | 0 |
| April | 19°C / 66°F | 9°C / 48°F | 80 mm | 8 | 0 |
| May | 23°C / 73°F | 12°C / 54°F | 55 mm | 6 | 0 |
| June | 28°C / 82°F | 16°C / 61°F | 30 mm | 3 | 0 |
| July | 31°C / 88°F | 19°C / 66°F | 20 mm | 2 | 0 |
| August | 31°C / 88°F | 19°C / 66°F | 40 mm | 3 | 0 |
| September | 27°C / 81°F | 16°C / 61°F | 85 mm | 5 | 0 |
| October | 22°C / 72°F | 12°C / 54°F | 135 mm | 8 | 0 |
| November | 17°C / 63°F | 8°C / 46°F | 150 mm | 9 | 0 |
| December | 13°C / 55°F | 5°C / 41°F | 115 mm | 9 | 0 |
Other cities with similar January weather
🌍 See the full ranked list of climate twins for Naples in January →
Frequently asked questions
How hot is Naples in January?
In January, Naples averages a high of 13°C (55°F) and a low of 4°C (39°F) — generally cool.
Does it rain a lot in Naples in January?
January sees occasional rain in Naples, with about 9 rainy days on average.
Is January a good time to visit Naples?
January is cool. It suits travelers who are comfortable with cool weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Naples in January?
Pack a warm jacket and layers. See the full January packing list for Naples for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.