Sea Temperature in Portnoo in May

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

9°C

MINIMUN

11°C

AVERAGE

13°C

MAXIMUM

Historical Data of Water Temperature in May in Portnoo

Water Temperature Chart for Atlantic Ocean in Portnoo in May

Sea Temperature Table in Portnoo in May Over the Past Years

Day	2024	2023	2022	Average
May 1	10°C	10°C	12°C	10.5°C
May 2	10°C	10°C	12°C	10.5°C
May 3	11°C	10°C	10°C	10.3°C
May 4	10°C	10°C	10°C	10.3°C
May 5	10°C	11°C	12°C	10.8°C
May 6	10°C	11°C	11°C	10.8°C
May 7	10°C	10°C	12°C	10.5°C
May 8	10°C	10°C	10°C	10.3°C
May 9	10°C	10°C	10°C	10.3°C
May 10	10°C	11°C	12°C	11.0°C
May 11	10°C	10°C	11°C	10.5°C
May 12	10°C	11°C	11°C	11.0°C
May 13	11°C	11°C	12°C	11.3°C
May 14	11°C	10°C	12°C	11.3°C
May 15	11°C	10°C	12°C	11.3°C
May 16	11°C	11°C	12°C	11.5°C
May 17	11°C	11°C	10°C	11.0°C
May 18	12°C	11°C	12°C	11.8°C
May 19	12°C	11°C	11°C	11.5°C
May 20	11°C	11°C	12°C	11.5°C
May 21	11°C	11°C	12°C	11.8°C
May 22	11°C	11°C	12°C	11.5°C
May 23	11°C	11°C	12°C	11.5°C
May 24	11°C	12°C	12°C	11.8°C
May 25	10°C	12°C	12°C	11.5°C
May 26	11°C	12°C	10°C	11.3°C
May 27	11°C	12°C	12°C	11.8°C
May 28	12°C	11°C	11°C	11.5°C
May 29	12°C	11°C	12°C	11.8°C
May 30	12°C	12°C	12°C	12.0°C

Portnoo Climate and Swimming Opportunities in May

14°C

Average Day Air Temperature

7°C

Average Night Air Temperature

65 mm

Precipitation Amount per Month

13 days

Number of Rainy Days

16 hrs

Daylight
per Day

6 hrs

Sunshine
per Day

17 km/h

Average Wind Speed

84%

Average
humidity

Portnoo lies within the Ulster in Ireland. The average daytime temperature in Portnoo in May is 14°C (58°F), while the nighttime average is 7°C (45°F). There are typically 13 rainy days during the month, with a total precipitation of 65 mm (2.5 inches). The daylight duration in May in Portnoo is 16 hours, with an average of 6 hours of sunshine per day. The average wind speed in May is 17 km/h (11 mph), and the humidity level is around 84%.

The water temperature in Portnoo in May ranges from 10°C to 12°C (50°F to 54°F). At the beginning of the month, the average temperature is around 10°C (50°F), shifting to 11°C (52°F) by mid-May and reaching 12°C (54°F) in the last ten days. Overall, the average sea temperature in Portnoo for May is 11°C (52°F). The water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.

Sea Temperature in May in Nearby Cities

Frequently Asked Questions About Water Temperatures in May in Portnoo

What is the sea temperature in Portnoo in May?

The water temperature in the Atlantic Ocean in Portnoo in May ranges from 10°C to 12°C (50°F to 54°F).

Is it possible to swim in the Atlantic Ocean in Portnoo in May?

The average sea temperature in Portnoo in May is 11°C (52°F), and the air temperature is 14°C (58°F), so the water is cool, but many swimmers can tolerate it, especially with the sun out. Acclimatization is helpful.