All data are in degrees Fahrenheit

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Water temperature in Naples

Detailed information about the current water temperature in Naples. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Naples now

67.9

°F

May 17, 04:55

Trend:

increasing

Yesterday:

67.7°F

Tomorrow:

68.1°F

Sunrise:

05:44

Sunset:

20:15

Day Length:

14 h. 31 min.

Naples in May

Minimum:

59.8°F

Average:

61.1°F

Maximum:

62.6°F

Sea water temperature in Naples today

As of now, in Naples, the water temperature is 67.9°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.5°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 68.6°F on 2024, while the historical minimum was 63.6°F on 2019.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 68.5°F, with minimum temperature starting at 68.1°F, while the maximum might reach 69.0°F.

Daily water temperature in Naples

Date Current Year

actual* / forecast**

last year 10 years average
May 3 66.8°F 64.2°F 63.5°F
May 4 66.9°F 63.9°F 63.7°F
May 5 66.7°F 63.4°F 63.8°F
May 6 67.0°F 63.8°F 64.0°F
May 7 67.6°F 65.5°F 64.5°F
May 8 67.9°F 64.5°F 64.5°F
May 9 66.8°F 64.1°F 64.5°F
May 10 66.9°F 64.4°F 64.6°F
May 11 67.4°F 64.9°F 65.1°F
May 12 67.5°F 65.0°F 65.2°F
May 13 67.5°F 65.7°F 66.0°F
May 14 67.5°F 65.9°F 66.1°F
May 15 67.7°F 66.7°F 66.4°F
May 16 67.7°F 66.9°F 66.3°F
May 17 67.9°F 68.6°F 66.5°F
May 18 68.1°F 68.8°F 66.7°F
May 19 68.4°F 68.9°F 66.9°F
May 20 68.4°F 68.5°F 66.9°F
May 21 68.5°F 69.3°F 67.1°F
May 22 68.5°F 68.8°F 67.0°F
May 23 68.5°F 69.0°F 67.0°F
May 24 69.0°F 69.5°F 67.5°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Naples by month

In Naples, the months June through September offer comfortable swimming conditions, which amounts to 118 swimming days.
The warmest water in Naples was recorded on July 25, 2023, reaching a 86.3°F. While the coldest temperature occurred on March 13, 2022, dipping to 56.0°F. The average readings by season are 60.5°F in Winter, 61.5°F in Spring, 78.3°F in Summer, and 72.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Porto 67.9°F 1mi
Massa Lubrense 67.5°F 18mi
Capri 67.7°F 21mi
Forio 67.6°F 23mi
Amalfi 67.3°F 23mi
Maiori 67.3°F 24mi

* current water temperature in this city

** straight line distance from Naples