Weather in Napoli for May 2026
In general, the average temperature in Napoli at the beginning of May is 20.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 25 °C by the end of May.
Napoli in May brings notable rainfall, with an average of 18 rainy days and a total precipitation of 84.8 mm.
Is May a good time to visit Napoli? check out the best time to travel to Napoli page.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
Napoli Weather May
Temperatures trend during May in Napoli
May weather in Napoli day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Moderate or heavy rain shower | 20° /14° | 10.1 mm | 5 | |
| 2 May |  Sunny | 20° /13° | 7.7 mm | 5 | |
| 3 May |  Overcast | 19° /13° | 2 mm | 5 | |
| 4 May |  Patchy rain possible | 20° /13° | 0.4 mm | 5 | |
| 5 May | Sunny | 21° /13° | 0.3 mm | 5 | |
| 6 May | Sunny | 21° /14° | 1.5 mm | 5 | |
| 7 May | Sunny | 21° /14° | 2.8 mm | 5 | |
| 8 May |  Partly cloudy | 21° /15° | 3.8 mm | 5 | |
| 9 May | Patchy rain possible | 22° /14° | 1.3 mm | 5 | |
| 10 May | Partly cloudy | 22° /15° | 4.1 mm | 5 | |
| 11 May | Patchy rain possible | 22° /15° | 0.8 mm | 5 | |
| 12 May | Patchy rain possible | 21° /15° | 1.3 mm | 5 | |
| 13 May | Patchy rain possible | 21° /15° | 1.7 mm | 5 | |
| 14 May | Patchy rain possible | 21° /15° | 3.2 mm | 5 | |
| 15 May | Moderate or heavy rain shower | 21° /15° | 8.5 mm | 5 | |
| 16 May | Partly cloudy | 22° /15° | 4 mm | 5 | |
| 17 May | Sunny | 22° /15° | 7 mm | 6 | |
| 18 May | Patchy rain possible | 22° /15° | 0.3 mm | 5 | |
| 19 May |  Cloudy | 23° /15° | 0.6 mm | 5 | |
| 20 May | Patchy rain possible | 23° /16° | 2.6 mm | 5 | |
| 21 May | Patchy rain possible | 22° /15° | 1 mm | 5 | |
| 22 May | Patchy rain possible | 23° /16° | 1 mm | 5 | |
| 23 May | Patchy rain possible | 23° /16° | 0.4 mm | 5 | |
| 24 May | Sunny | 25° /16° | 0 mm | 6 | |
| 25 May | Sunny | 25° /16° | 0.6 mm | 6 | |
| 26 May | Partly cloudy | 25° /16° | 0.4 mm | 6 | |
| 27 May | Patchy rain possible | 25° /17° | 0.6 mm | 6 | |
| 28 May | Sunny | 25° /17° | 2.5 mm | 6 | |
| 29 May | Sunny | 25° /18° | 0.1 mm | 6 | |
| 30 May | Sunny | 25° /17° | 0.3 mm | 6 | |
| 31 May | Cloudy | 25° /17° | 0.7 mm | 6 | |
| Next | |||||
Napoli in May - FAQ
Napoli water temperatures in May
The average water temperature of the Mediterranean Sea near Napoli in May is 18.2 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Napoli in May?
- The average water temperature in Napoli in May is 18.2 °C.
- Can you swim in Napoli in May?
- Refreshing and invigorating. Expect to feel chilled after 10–20 minutes; a shorty wetsuit extends water time, especially at dawn.
What to pack to Napoli in May?
As you prepare for your trip to Napoli in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Napoli, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
May rainfall patterns in Napoli
UV exposure in Napoli during May
Quick links
Where is Napoli?Get accurate weather forecasts for Napoli, located at latitude 40.852 and longitude 14.268. Stay updated with localized weather information tailored for Napoli.