Sea Temperature in Ostia in December

Complete information on the sea temperature range in the Mediterranean Sea in Ostia in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Ostia. 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 Ostia in December

15°C

MINIMUN

17°C

AVERAGE

19°C

MAXIMUM

Historical Data of Water Temperature in December in Ostia

Water Temperature Chart for Mediterranean Sea in Ostia in December

Sea Temperature Table in Ostia in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	19°C	18°C	17°C	18.0°C
Dec 2	19°C	18°C	18°C	18.3°C
Dec 3	18°C	18°C	18°C	18.0°C
Dec 4	18°C	18°C	17°C	17.8°C
Dec 5	18°C	17°C	17°C	17.5°C
Dec 6	18°C	18°C	18°C	17.8°C
Dec 7	18°C	17°C	17°C	17.3°C
Dec 8	18°C	18°C	17°C	17.5°C
Dec 9	18°C	18°C	17°C	17.5°C
Dec 10	18°C	17°C	17°C	17.3°C
Dec 11	18°C	17°C	17°C	17.3°C
Dec 12	18°C	17°C	17°C	17.3°C
Dec 13	17°C	17°C	17°C	17.0°C
Dec 14	17°C	17°C	17°C	17.0°C
Dec 15	17°C	17°C	17°C	17.0°C
Dec 16	17°C	17°C	17°C	17.0°C
Dec 17	17°C	17°C	17°C	17.0°C
Dec 18	17°C	17°C	17°C	17.0°C
Dec 19	17°C	16°C	16°C	16.5°C
Dec 20	17°C	16°C	17°C	16.8°C
Dec 21	17°C	17°C	16°C	16.8°C
Dec 22	17°C	17°C	16°C	16.8°C
Dec 23	17°C	17°C	16°C	16.5°C
Dec 24	16°C	17°C	16°C	16.3°C
Dec 25	16°C	16°C	16°C	16.0°C
Dec 26	16°C	16°C	16°C	16.0°C
Dec 27	16°C	16°C	16°C	16.0°C
Dec 28	16°C	16°C	16°C	16.0°C
Dec 29	16°C	16°C	16°C	16.0°C
Dec 30	16°C	15°C	16°C	15.8°C

Ostia Climate and Swimming Opportunities in December

13°C

Average Day Air Temperature

6°C

Average Night Air Temperature

96 mm

Precipitation Amount per Month

11 days

Number of Rainy Days

9 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

13 km/h

Average Wind Speed

77%

Average
humidity

Ostia lies within the Lazio in Italy. The average daytime temperature in Ostia in December is 13°C (56°F), while the nighttime average is 6°C (43°F). There are typically 11 rainy days during the month, with a total precipitation of 96 mm (3.8 inches). The daylight duration in December in Ostia is 9 hours, with an average of 4 hours of sunshine per day. The average wind speed in December is 13 km/h (8 mph), and the humidity level is around 77%.

The water temperature in Ostia in December ranges from 15°C to 18°C (59°F to 64°F). At the beginning of the month, the average temperature is around 18°C (64°F), shifting to 17°C (63°F) by mid-December and reaching 16°C (61°F) in the last ten days. Overall, the average sea temperature in Ostia for December is 17°C (63°F).

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Ostia

What is the sea temperature in Ostia in December?

The water temperature in the Mediterranean Sea in Ostia in December ranges from 15°C to 18°C (59°F to 64°F).

Is it possible to swim in the Adriatic Sea in Martinsicuro in December?

The average sea temperature in Martinsicuro in December is 15°C (59°F), and the air temperature is 11°C (53°F), so the water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.