Sea Temperature in Rio in December

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

15°C

MINIMUN

17.5°C

AVERAGE

20°C

MAXIMUM

Historical Data of Water Temperature in December in Rio

Water Temperature Chart for Ionian Sea in Rio in December

Sea Temperature Table in Rio in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	19°C	20°C	19°C	19.3°C
Dec 2	19°C	19°C	19°C	19.3°C
Dec 3	19°C	19°C	19°C	19.0°C
Dec 4	19°C	19°C	19°C	19.0°C
Dec 5	19°C	19°C	19°C	19.0°C
Dec 6	19°C	19°C	19°C	18.8°C
Dec 7	19°C	19°C	18°C	18.8°C
Dec 8	19°C	19°C	19°C	18.8°C
Dec 9	19°C	19°C	19°C	18.5°C
Dec 10	19°C	19°C	18°C	18.5°C
Dec 11	19°C	18°C	18°C	18.3°C
Dec 12	19°C	18°C	18°C	18.3°C
Dec 13	19°C	18°C	18°C	18.3°C
Dec 14	19°C	18°C	17°C	17.8°C
Dec 15	18°C	18°C	17°C	17.8°C
Dec 16	19°C	18°C	17°C	17.8°C
Dec 17	19°C	18°C	17°C	17.8°C
Dec 18	18°C	18°C	17°C	17.8°C
Dec 19	19°C	18°C	18°C	18.0°C
Dec 20	19°C	17°C	18°C	18.0°C
Dec 21	18°C	18°C	18°C	17.8°C
Dec 22	19°C	17°C	17°C	17.5°C
Dec 23	18°C	17°C	18°C	17.5°C
Dec 24	18°C	17°C	18°C	17.3°C
Dec 25	18°C	18°C	18°C	17.8°C
Dec 26	18°C	17°C	18°C	17.3°C
Dec 27	18°C	17°C	18°C	17.3°C
Dec 28	18°C	17°C	18°C	17.5°C
Dec 29	17°C	17°C	18°C	17.0°C
Dec 30	17°C	17°C	18°C	17.0°C

Rio Climate and Swimming Opportunities in December

11°C

Average Day Air Temperature

3°C

Average Night Air Temperature

50 mm

Precipitation Amount per Month

9 days

Number of Rainy Days

9 hrs

Daylight
per Day

3 hrs

Sunshine
per Day

9 km/h

Average Wind Speed

79%

Average
humidity

Rio lies within the Peloponnese in Greece. The average daytime temperature in Rio in December is 11°C (52°F), while the nighttime average is 3°C (37°F). There are typically nine rainy days during the month, with a total precipitation of 50 mm (2.0 inches). The daylight duration in December in Rio is 9 hours, with an average of 3 hours of sunshine per day. The average wind speed in December is 9 km/h (6 mph), and the humidity level is around 79%.

The water temperature in Rio in December ranges from 17°C to 19°C (63°F to 66°F). At the beginning of the month, the average temperature is around 19°C (66°F), shifting to 18°C (64°F) by mid-December and reaching 18°C (64°F) in the last ten days. Overall, the average sea temperature in Rio for December is 18°C (64°F).

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Rio

What is the sea temperature in Rio in December?

The water temperature in the Ionian Sea in Rio in December ranges from 17°C to 19°C (63°F to 66°F).

Is it possible to swim in the Atlantic Ocean in Bowers in December?

The average sea temperature in Bowers in December is 45°F (7°C), and the air temperature is 47°F (8°C), so still too cold for most swimmers. Only short dips in proper gear are advisable.