Sea Temperature in Naples in January

Complete information on the sea temperature range in the Tyrrhenian Sea in Naples in January. Historical daily data. Climate details for January. Tips on swimming conditions and beach relaxation in Naples. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Naples in January

12°C

MINIMUN

15°C

AVERAGE

18°C

MAXIMUM

Historical Data of Water Temperature in January in Naples

Water Temperature Chart for Tyrrhenian Sea in Naples in January

Sea Temperature Table in Naples in January Over the Past Years

Day	2024	2023	2022	Average
Jan 1	16°C	15°C	16°C	16.0°C
Jan 2	16°C	16°C	16°C	16.3°C
Jan 3	16°C	16°C	16°C	16.3°C
Jan 4	16°C	15°C	16°C	16.0°C
Jan 5	16°C	15°C	16°C	16.0°C
Jan 6	16°C	15°C	16°C	15.8°C
Jan 7	16°C	15°C	15°C	15.5°C
Jan 8	15°C	15°C	15°C	15.5°C
Jan 9	15°C	15°C	15°C	15.3°C
Jan 10	15°C	15°C	15°C	15.5°C
Jan 11	15°C	15°C	15°C	15.3°C
Jan 12	16°C	15°C	15°C	15.5°C
Jan 13	16°C	15°C	15°C	15.8°C
Jan 14	16°C	15°C	15°C	15.5°C
Jan 15	16°C	15°C	15°C	15.5°C
Jan 16	16°C	15°C	15°C	15.5°C
Jan 17	16°C	15°C	15°C	15.5°C
Jan 18	16°C	15°C	15°C	15.5°C
Jan 19	15°C	15°C	15°C	15.3°C
Jan 20	16°C	15°C	15°C	15.3°C
Jan 21	15°C	15°C	15°C	15.0°C
Jan 22	15°C	15°C	15°C	15.0°C
Jan 23	15°C	15°C	15°C	15.3°C
Jan 24	15°C	15°C	15°C	15.0°C
Jan 25	15°C	15°C	14°C	14.8°C
Jan 26	15°C	15°C	14°C	14.8°C
Jan 27	15°C	15°C	15°C	15.0°C
Jan 28	16°C	15°C	14°C	15.0°C
Jan 29	15°C	15°C	15°C	15.0°C
Jan 30	16°C	15°C	15°C	15.3°C

Naples Climate and Swimming Opportunities in January

12°C

Average Day Air Temperature

5°C

Average Night Air Temperature

97 mm

Precipitation Amount per Month

11 days

Number of Rainy Days

9 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

10 km/h

Average Wind Speed

76%

Average
humidity

Naples lies within the Campania in Italy. The average daytime temperature in Naples in January is 12°C (53°F), while the nighttime average is 5°C (42°F). There are typically 11 rainy days during the month, with a total precipitation of 97 mm (3.8 inches). The daylight duration in January in Naples is 9 hours, with an average of 4 hours of sunshine per day. The average wind speed in January is 10 km/h (6 mph), and the humidity level is around 76%.

The water temperature in Naples in January ranges from 14°C to 16°C (57°F to 61°F). At the beginning of the month, the average temperature is around 16°C (61°F), shifting to 15°C (59°F) by mid-January and reaching 15°C (59°F) in the last ten days. Overall, the average sea temperature in Naples for January is 15°C (59°F). The water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.

Sea Temperature in January in Nearby Cities

Frequently Asked Questions About Water Temperatures in January in Naples

What is the sea temperature in Naples in January?

The water temperature in the Tyrrhenian Sea in Naples in January ranges from 14°C to 16°C (57°F to 61°F).

Is it possible to swim in the Tyrrhenian Sea in Naples in January?

The average sea temperature in Naples in January is 15°C (59°F), and the air temperature is 12°C (53°F), so the water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.