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

54°F

MINIMUN

59°F

AVERAGE

64°F

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	61°C	59°C	61°C	61°C
Jan 2	61°C	61°C	61°C	61°C
Jan 3	61°C	61°C	61°C	61°C
Jan 4	61°C	59°C	61°C	61°C
Jan 5	61°C	59°C	61°C	61°C
Jan 6	61°C	59°C	61°C	60°C
Jan 7	61°C	59°C	59°C	60°C
Jan 8	59°C	59°C	59°C	60°C
Jan 9	59°C	59°C	59°C	60°C
Jan 10	59°C	59°C	59°C	60°C
Jan 11	59°C	59°C	59°C	60°C
Jan 12	61°C	59°C	59°C	60°C
Jan 13	61°C	59°C	59°C	60°C
Jan 14	61°C	59°C	59°C	60°C
Jan 15	61°C	59°C	59°C	60°C
Jan 16	61°C	59°C	59°C	60°C
Jan 17	61°C	59°C	59°C	60°C
Jan 18	61°C	59°C	59°C	60°C
Jan 19	59°C	59°C	59°C	60°C
Jan 20	61°C	59°C	59°C	60°C
Jan 21	59°C	59°C	59°C	59°C
Jan 22	59°C	59°C	59°C	59°C
Jan 23	59°C	59°C	59°C	60°C
Jan 24	59°C	59°C	59°C	59°C
Jan 25	59°C	59°C	57°C	59°C
Jan 26	59°C	59°C	57°C	59°C
Jan 27	59°C	59°C	59°C	59°C
Jan 28	61°C	59°C	57°C	59°C
Jan 29	59°C	59°C	59°C	59°C
Jan 30	61°C	59°C	59°C	60°C

Naples Climate and Swimming Opportunities in January

54°F

Average Day Air Temperature

41°F

Average Night Air Temperature

4 in

Precipitation Amount per Month

11 days

Number of Rainy Days

9 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

6 mph

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.