Your trips
Organise your trips easily with tabs
London
Naples
Any date
+ Search
background

Naples in May: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Naples in May will be like? Take a look at our weather guide for Naples, based on historical data.
Check flight prices to Naples on Avionero:
May

Weather in Naples in May 2025

Good Weather
Mild
☀️
Sunny
🌊
Fresh water
Planning a trip to Naples in May? You are in luck! The weather is generally good, with an average maximum temperature of +22°C and approximately 12 sunny days. Just be prepared for some rain, as there are usually around 9 rainy days and 48 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+22°C
Avg. max. temperature
+8°C
Min.
+34°C
Max.
48 mm
Total precipitation
71%
Avg. humidity
1 m/s
Avg. wind
12 ☀️
Sunny Days
8 ⛅️
Cloudy
9 🌦
Rainy
Our opinion: Naples has good weather in May.

Average temperature in Naples in May

Here are the expected maximum, average and minimum temperatures in Naples for May based on the historical data.
Last Year
Historical Data

Going from a maximum of +27°C during the day to a minimum of +13°C during the night, the temperature in May averages around +22°C.

The average maximum temperature goes up 71% by the end of the month, compared with the beginning of the month, from +17°C to +27°C.

Is Naples warm or cold in May?

Naples is typically mild in May.

Maximum temperatures go up compared to the previous month from +18°C to +22°C. The minimum temperature also goes up from +11°C to +15°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how May is compared to other months in Naples:

Water temperature in Naples in May

Water in Naples in May is Fresh. It varies from +15°C to +23°C, with an average of +19°C. This is almost similar to the air temperature, which averages +22°C.

In May, water temperatures are average relative to the rest of the year:

The warmest water temperatures in Naples are reached in August, when the average sea temperature rises to +26°C. The coldest water temperatures are in February, with an average of +14°C.

Can you swim in Naples in May?

Water temperature (+19°C) in Naples in May might be suited for short swims and acclimatized swimmers might find it refreshing.
🦭
Cold
Below +16°C
🏄‍♂️
Fresh
16°C - 21°C
🏊
Comfortable
21°C - 25°C
👙
Warm
25°C - 28°C
🔥
Very warm
+28°C and up
Think of bringing a full-body or shorty wetsuit (3mm-5mm thickness) to provide insulation and maintain body heat.

Climate in Naples in May

Naples weather looks like this, on average, in May and the surrounding months.
AprilMayJune
Avg. temperature
+18°C+22°C+26°C
Min. temperature
0°C+8°C+11°C
Max. temperature
+31°C+34°C+37°C
Rainfall
75 mm48 mm23 mm
Wind
2 m/s1 m/s1 m/s
Avg. water temperature
+16°C+19°C+24°C
Humidity
71%71%69%
Air pressure
1013 HPa1014 HPa1014 HPa
Sunny days
91217
Cloudy days
786
Rainy days
1295
Snowy days
000

May weather is still as good as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +18°C to +22°C during the day. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 75 mm to 48 mm. Humidity levels don’t change as the month goes on, averaging around 71%. Winds are calmer in comparison to April, going down from 2 m/s to 1 m/s on average. The good news is there are likely to be more sunny days in May, from 9 to 12.

But maybe it is worth considering traveling in June as the weather gets better.

Wind

Wind speed in Naples in May based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Naples is gradually decreasing during May, going from 3 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during May in Naples based on historical data.
Last Year
Historical Data
Typically, there is a 61% chance of rain on an average day in May, with total rainfall of approximately 465 mm. The maximum amount of rainfall per day is around 93 mm, which is considered heavy rain. May is a pretty wet month with over 19 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Naples wettest month is November, where a typical day has a 40% chance of precipitation and 202 mm of rainfall per day. July, on the other hand, is the driest month with a mere 10% chance of precipitation and 11 mm of rainfall per day.

How was the weather last May in Naples?

This is the weather in Naples in May 2023:
1 May
🌧️
+17°C
2 May
🌧️
+19°C
3 May
☁️
+21°C
4 May
☀️
+23°C
5 May
☀️
+23°C
6 May
☀️
+22°C
7 May
☀️
+23°C
8 May
☁️
+19°C
9 May
☁️
+22°C
10 May
🌧️
+18°C
11 May
☁️
+20°C
12 May
☀️
+21°C
13 May
🌧️
+20°C
14 May
🌧️
+20°C
15 May
🌧️
+16°C
16 May
🌧️
+17°C
17 May
🌧️
+18°C
18 May
☁️
+20°C
19 May
☁️
+26°C
20 May
🌧️
+21°C
21 May
☁️
+23°C
22 May
☀️
+25°C
23 May
☀️
+24°C
24 May
☀️
+25°C
25 May
☀️
+26°C
26 May
☀️
+27°C
27 May
☀️
+27°C
28 May
☀️
+27°C
29 May
☀️
+26°C
30 May
☀️
+26°C
31 May
☀️
+27°C
In May 2023 Naples had 15 sunny days, 7 cloudy days, and 9 rainy days. The average maximum temperature was +22°C, with an absolute maximum of +27°C and a minimum of +16°C. The average humidity was 84%, with a maximum of 100% and a minimum of 67%. The average wind speed was 2 m/s, with a maximum of 9 m/s and a minimum of 0 m/s.
Are you planning a trip in May?

Climate Change over Years

This is how Naples climate have been changing during last 43 years period.

The climate in Naples in May has not changed much over the last 43 years.

The average temperature was the lowest in 1980 (+18°C) and the highest in 2018 (+22°C). The driest year was 1983 with only 596 mm of rainfall, and the wettest year was 2023 with 3024 mm.

FAQ

Frequently asked questions about the weather in Naples in May:

Is May a good time to visit Naples?

May is a really good time to go to Naples. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Naples.

Can you sunbathe in Naples in May?

May has mild temperatures in Naples. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Can you swim in Naples in May?

In general, you can swim in Naples in May, if you want to, at an average water temperature of +19°C. But it will feel quite cool, and some precautions are necessary to ensure your comfort and safety.

Is Naples rainy in May?

Naples is usually dry in May. Plan your packing around outdoor activities and exploring.

Is it sunny in Naples in May?

The amount of sunny days in Naples during May varies; prepare for a mix of clouds and sun.

Other cities in Italy

Check out the weather for other cities in Italy.

Monthly weather in Naples

Source of the data

For this page, we’ve looked at the typical weather in Naples, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.