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

66.8

°F

May 17, 01:57

Trend:

increasing

Yesterday:

66.6°F

Tomorrow:

67.0°F

Sunrise:

05:44

Sunset:

20:15

Day Length:

14 h. 31 min.

Naples in May

Minimum:

59.8°F

Average:

61.2°F

Maximum:

62.6°F

Sea water temperature in Naples today

As of now, in Naples, the water temperature is 66.8°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 0.3°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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 68.6°F on 2024, while the historical minimum was 63.6°F on 2019.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 67.3°F, with minimum temperature starting at 67.0°F, while the maximum might reach 67.9°F.

Daily water temperature in Naples

Date Current Year

actual* / forecast**

last year 10 years average
May 3 63.7°F 66.8°F 63.6°F
May 4 63.9°F 66.9°F 63.7°F
May 5 64.6°F 66.7°F 63.8°F
May 6 64.5°F 67.0°F 64.0°F
May 7 63.8°F 67.6°F 64.3°F
May 8 64.4°F 67.9°F 64.3°F
May 9 64.9°F 66.8°F 64.3°F
May 10 64.9°F 66.8°F 64.3°F
May 11 64.9°F 67.3°F 64.8°F
May 12 66.4°F 67.6°F 65.1°F
May 13 67.0°F 67.5°F 65.9°F
May 14 66.5°F 67.5°F 66.0°F
May 15 66.7°F 67.7°F 66.3°F
May 16 66.6°F 67.7°F 66.3°F
May 17 66.8°F 67.6°F 66.5°F
May 18 67.0°F 67.3°F 66.7°F
May 19 67.2°F 67.4°F 66.9°F
May 20 67.1°F 66.2°F 66.8°F
May 21 67.2°F 66.6°F 66.9°F
May 22 67.3°F 67.5°F 67.0°F
May 23 67.5°F 68.6°F 67.2°F
May 24 67.9°F 67.9°F 67.6°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, 61.7°F in Spring, 78.4°F in Summer, and 72.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Porto 66.8°F 1mi
Massa Lubrense 66.6°F 18mi
Capri 66.5°F 21mi
Forio 66.4°F 23mi
Amalfi 66.8°F 23mi
Maiori 66.8°F 24mi

* current water temperature in this city

** straight line distance from Naples