Sea Temperature in Rio in May

Complete information on the sea temperature range in the Ionian Sea in Rio in May. Historical daily data. Climate details for May. 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 May

16°C

MINIMUN

19°C

AVERAGE

22°C

MAXIMUM

Historical Data of Water Temperature in May in Rio

Water Temperature Chart for Ionian Sea in Rio in May

Sea Temperature Table in Rio in May Over the Past Years

Day	2024	2023	2022	Average
May 1	17°C	16°C	16°C	16.5°C
May 2	17°C	16°C	16°C	16.8°C
May 3	18°C	17°C	17°C	17.3°C
May 4	18°C	17°C	17°C	17.3°C
May 5	18°C	17°C	17°C	17.3°C
May 6	18°C	17°C	17°C	17.3°C
May 7	18°C	17°C	17°C	17.3°C
May 8	18°C	18°C	18°C	18.0°C
May 9	18°C	18°C	18°C	18.0°C
May 10	18°C	18°C	18°C	18.0°C
May 11	18°C	18°C	18°C	18.0°C
May 12	19°C	18°C	18°C	18.3°C
May 13	19°C	19°C	19°C	18.8°C
May 14	19°C	19°C	19°C	18.8°C
May 15	19°C	19°C	19°C	18.8°C
May 16	19°C	19°C	19°C	18.8°C
May 17	19°C	19°C	19°C	18.8°C
May 18	19°C	20°C	20°C	19.3°C
May 19	19°C	20°C	20°C	19.5°C
May 20	20°C	20°C	20°C	19.8°C
May 21	19°C	20°C	20°C	19.5°C
May 22	19°C	20°C	20°C	19.5°C
May 23	19°C	21°C	21°C	20.0°C
May 24	20°C	21°C	21°C	20.3°C
May 25	20°C	21°C	21°C	20.3°C
May 26	20°C	21°C	21°C	20.5°C
May 27	20°C	21°C	21°C	20.3°C
May 28	20°C	22°C	22°C	20.8°C
May 29	20°C	22°C	22°C	20.8°C
May 30	21°C	22°C	22°C	21.3°C

Rio Climate and Swimming Opportunities in May

24°C

Average Day Air Temperature

13°C

Average Night Air Temperature

39 mm

Precipitation Amount per Month

7 days

Number of Rainy Days

14 hrs

Daylight
per Day

8 hrs

Sunshine
per Day

9 km/h

Average Wind Speed

63%

Average
humidity

Rio lies within the Peloponnese in Greece. The average daytime temperature in Rio in May is 24°C (75°F), while the nighttime average is 13°C (56°F). There are typically seven rainy days during the month, with a total precipitation of 39 mm (1.5 inches). The daylight duration in May in Rio is 14 hours, with an average of 8 hours of sunshine per day. The average wind speed in May is 9 km/h (6 mph), and the humidity level is around 63%.

The water temperature in Rio in May ranges from 16°C to 21°C (61°F to 70°F). At the beginning of the month, the average temperature is around 17°C (63°F), shifting to 19°C (66°F) by mid-May and reaching 20°C (68°F) in the last ten days. Overall, the average sea temperature in Rio for May is 19°C (66°F). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.

Sea Temperature in May in Nearby Cities

Frequently Asked Questions About Water Temperatures in May in Rio

What is the sea temperature in Rio in May?

The water temperature in the Ionian Sea in Rio in May ranges from 16°C to 21°C (61°F to 70°F).

Is it possible to swim in the Ionian Sea in Rio in May?

The average sea temperature in Rio in May is 19°C (66°F), and the air temperature is 24°C (75°F), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.