Sea Temperature in Rio Grande in December

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

19°C

MINIMUN

21.5°C

AVERAGE

24°C

MAXIMUM

Historical Data of Water Temperature in December in Rio Grande

Water Temperature Chart for Atlantic Ocean in Rio Grande in December

Sea Temperature Table in Rio Grande in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	21°C	20°C	21°C	20.8°C
Dec 2	21°C	21°C	21°C	21.0°C
Dec 3	22°C	20°C	22°C	21.5°C
Dec 4	22°C	20°C	21°C	21.0°C
Dec 5	21°C	20°C	22°C	21.3°C
Dec 6	21°C	20°C	22°C	21.5°C
Dec 7	22°C	20°C	22°C	21.8°C
Dec 8	21°C	22°C	19°C	21.0°C
Dec 9	20°C	21°C	20°C	21.0°C
Dec 10	20°C	20°C	23°C	21.5°C
Dec 11	21°C	20°C	23°C	21.5°C
Dec 12	20°C	20°C	23°C	21.3°C
Dec 13	21°C	20°C	23°C	21.5°C
Dec 14	20°C	20°C	23°C	21.3°C
Dec 15	21°C	20°C	23°C	21.8°C
Dec 16	21°C	21°C	23°C	22.0°C
Dec 17	19°C	22°C	24°C	21.8°C
Dec 18	19°C	22°C	23°C	21.8°C
Dec 19	20°C	23°C	21°C	21.8°C
Dec 20	20°C	24°C	22°C	22.3°C
Dec 21	22°C	21°C	22°C	22.0°C
Dec 22	22°C	22°C	22°C	22.3°C
Dec 23	20°C	22°C	21°C	21.5°C
Dec 24	20°C	23°C	22°C	22.0°C
Dec 25	20°C	23°C	22°C	22.0°C
Dec 26	22°C	24°C	22°C	22.8°C
Dec 27	21°C	22°C	23°C	22.3°C
Dec 28	20°C	22°C	23°C	22.3°C
Dec 29	22°C	22°C	21°C	22.3°C
Dec 30	21°C	22°C	22°C	22.3°C

Rio Grande Climate and Swimming Opportunities in December

26°C

Average Day Air Temperature

14°C

Average Night Air Temperature

150 mm

Precipitation Amount per Month

17 days

Number of Rainy Days

14 hrs

Daylight
per Day

7 hrs

Sunshine
per Day

10 km/h

Average Wind Speed

77%

Average
humidity

Rio Grande lies within the Rio Grande Do Sul in Brazil. The average daytime temperature in Rio Grande in December is 26°C (79°F), while the nighttime average is 14°C (57°F). There are typically 17 rainy days during the month, with a total precipitation of 150 mm (5.9 inches). The daylight duration in December in Rio Grande is 14 hours, with an average of 7 hours of sunshine per day. The average wind speed in December is 10 km/h (6 mph), and the humidity level is around 77%.

The water temperature in Rio Grande in December ranges from 20°C to 22°C (68°F to 72°F). At the beginning of the month, the average temperature is around 21°C (70°F), shifting to 22°C (72°F) by mid-December and reaching 22°C (72°F) in the last ten days. Overall, the average sea temperature in Rio Grande for December is 22°C (72°F). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.

Frequently Asked Questions About Water Temperatures in December in Rio Grande

What is the sea temperature in Rio Grande in December?

The water temperature in the Atlantic Ocean in Rio Grande in December ranges from 20°C to 22°C (68°F to 72°F).

Is it possible to swim in the Atlantic Ocean in Rio Grande in December?

The average sea temperature in Rio Grande in December is 22°C (72°F), and the air temperature is 26°C (79°F), so perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.