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Sea Temperature in Onia in May
Complete information on the sea temperature range in the Aegean Sea in Onia in May. Historical daily data. Climate details for May. Tips on swimming conditions and beach relaxation in Onia. 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 Onia in May
16°C
MINIMUN
19.5°C
AVERAGE
23°C
MAXIMUM
Historical Data of Water Temperature in May in Onia
Water Temperature Chart for Aegean Sea in Onia in May
Sea Temperature Table in Onia in May Over the Past Years
Day | 2024 | 2023 | 2022 | Average |
---|---|---|---|---|
May 1 | 19°C | 20°C | 18°C | 18.8°C |
May 2 | 19°C | 20°C | 18°C | 19.0°C |
May 3 | 20°C | 21°C | 18°C | 19.5°C |
May 4 | 20°C | 20°C | 18°C | 19.3°C |
May 5 | 19°C | 21°C | 19°C | 19.5°C |
May 6 | 19°C | 21°C | 19°C | 19.3°C |
May 7 | 19°C | 20°C | 19°C | 19.0°C |
May 8 | 19°C | 21°C | 19°C | 19.5°C |
May 9 | 20°C | 21°C | 19°C | 19.8°C |
May 10 | 19°C | 21°C | 19°C | 19.5°C |
May 11 | 19°C | 21°C | 19°C | 19.5°C |
May 12 | 19°C | 21°C | 19°C | 19.3°C |
May 13 | 20°C | 21°C | 19°C | 19.8°C |
May 14 | 20°C | 20°C | 19°C | 19.5°C |
May 15 | 19°C | 21°C | 20°C | 19.8°C |
May 16 | 19°C | 21°C | 20°C | 19.8°C |
May 17 | 20°C | 21°C | 20°C | 20.0°C |
May 18 | 21°C | 22°C | 19°C | 20.3°C |
May 19 | 20°C | 21°C | 20°C | 20.3°C |
May 20 | 20°C | 22°C | 20°C | 20.5°C |
May 21 | 20°C | 21°C | 20°C | 20.3°C |
May 22 | 20°C | 22°C | 20°C | 20.5°C |
May 23 | 19°C | 22°C | 20°C | 20.3°C |
May 24 | 19°C | 21°C | 20°C | 20.0°C |
May 25 | 20°C | 22°C | 20°C | 20.5°C |
May 26 | 19°C | 22°C | 20°C | 20.3°C |
May 27 | 19°C | 22°C | 20°C | 20.3°C |
May 28 | 20°C | 23°C | 20°C | 20.8°C |
May 29 | 20°C | 22°C | 20°C | 20.8°C |
May 30 | 20°C | 22°C | 20°C | 20.5°C |



Onia Climate and Swimming Opportunities in May
24°C
Average Day Air Temperature
16°C
Average Night Air Temperature
15 mm
Precipitation Amount per Month
3 days
Number of Rainy Days
14 hrs
Daylight
per Day
11 hrs
Sunshine
per Day
14 km/h
Average Wind Speed
62%
Average
humidity
Onia lies within the Kos in Greece. The average daytime temperature in Onia in May is 24°C (75°F), while the nighttime average is 16°C (61°F). There are typically three rainy days during the month, with a total precipitation of 15 mm (0.6 inches). The daylight duration in May in Onia is 14 hours, with an average of 11 hours of sunshine per day. The average wind speed in May is 14 km/h (9 mph), and the humidity level is around 62%.
The water temperature in Onia in May ranges from 18°C to 20°C (64°F to 68°F). At the beginning of the month, the average temperature is around 19°C (66°F), shifting to 20°C (68°F) by mid-May and reaching 20°C (68°F) in the last ten days. Overall, the average sea temperature in Onia for May is 20°C (68°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 Onia
What is the sea temperature in Onia in May?
The water temperature in the Aegean Sea in Onia in May ranges from 18°C to 20°C (64°F to 68°F).
Is it possible to swim in the Aegean Sea in Onia in May?
The average sea temperature in Onia in May is 20°C (68°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.