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

59°F

MINIMUN

63°F

AVERAGE

66°F

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	66°C	64°C	63°C	64°C
Dec 2	66°C	64°C	64°C	65°C
Dec 3	64°C	64°C	64°C	64°C
Dec 4	64°C	64°C	63°C	64°C
Dec 5	64°C	63°C	63°C	64°C
Dec 6	64°C	64°C	64°C	64°C
Dec 7	64°C	63°C	63°C	63°C
Dec 8	64°C	64°C	63°C	64°C
Dec 9	64°C	64°C	63°C	64°C
Dec 10	64°C	63°C	63°C	63°C
Dec 11	64°C	63°C	63°C	63°C
Dec 12	64°C	63°C	63°C	63°C
Dec 13	63°C	63°C	63°C	63°C
Dec 14	63°C	63°C	63°C	63°C
Dec 15	63°C	63°C	63°C	63°C
Dec 16	63°C	63°C	63°C	63°C
Dec 17	63°C	63°C	63°C	63°C
Dec 18	63°C	63°C	63°C	63°C
Dec 19	63°C	61°C	61°C	62°C
Dec 20	63°C	61°C	63°C	62°C
Dec 21	63°C	63°C	61°C	62°C
Dec 22	63°C	63°C	61°C	62°C
Dec 23	63°C	63°C	61°C	62°C
Dec 24	61°C	63°C	61°C	61°C
Dec 25	61°C	61°C	61°C	61°C
Dec 26	61°C	61°C	61°C	61°C
Dec 27	61°C	61°C	61°C	61°C
Dec 28	61°C	61°C	61°C	61°C
Dec 29	61°C	61°C	61°C	61°C
Dec 30	61°C	59°C	61°C	60°C

Ostia Climate and Swimming Opportunities in December

55°F

Average Day Air Temperature

43°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

8 mph

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.