Sea Temperature in Port Isaac in May

Complete information on the sea temperature range in the Celtic Sea in Port Isaac in May. Historical daily data. Climate details for May. Tips on swimming conditions and beach relaxation in Port Isaac. 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 Port Isaac in May

48°F

MINIMUN

54°F

AVERAGE

59°F

MAXIMUM

Historical Data of Water Temperature in May in Port Isaac

Water Temperature Chart for Celtic Sea in Port Isaac in May

Sea Temperature Table in Port Isaac in May Over the Past Years

Day	2024	2023	2022	Average
May 1	52°C	55°C	52°C	53°C
May 2	50°C	57°C	52°C	53°C
May 3	52°C	52°C	55°C	53°C
May 4	52°C	57°C	54°C	54°C
May 5	52°C	52°C	50°C	51°C
May 6	52°C	57°C	52°C	54°C
May 7	52°C	55°C	50°C	52°C
May 8	52°C	55°C	57°C	55°C
May 9	52°C	50°C	57°C	53°C
May 10	52°C	57°C	57°C	55°C
May 11	52°C	50°C	54°C	52°C
May 12	52°C	52°C	52°C	53°C
May 13	52°C	54°C	55°C	54°C
May 14	52°C	50°C	55°C	53°C
May 15	52°C	54°C	50°C	52°C
May 16	54°C	55°C	57°C	55°C
May 17	54°C	54°C	54°C	54°C
May 18	52°C	50°C	52°C	52°C
May 19	52°C	54°C	52°C	53°C
May 20	54°C	52°C	50°C	53°C
May 21	54°C	54°C	52°C	54°C
May 22	52°C	50°C	55°C	54°C
May 23	52°C	57°C	50°C	54°C
May 24	52°C	54°C	52°C	54°C
May 25	52°C	54°C	55°C	55°C
May 26	54°C	57°C	54°C	55°C
May 27	54°C	54°C	50°C	53°C
May 28	52°C	50°C	50°C	52°C
May 29	54°C	57°C	55°C	55°C
May 30	55°C	52°C	57°C	55°C

Port Isaac Climate and Swimming Opportunities in May

59°F

Average Day Air Temperature

46°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

12 days

Number of Rainy Days

15 hrs

Daylight
per Day

6 hrs

Sunshine
per Day

9 mph

Average Wind Speed

82%

Average
humidity

Port Isaac lies within the England in United Kingdom. The average daytime temperature in Port Isaac in May is 15°C (59°F), while the nighttime average is 8°C (47°F). There are typically 12 rainy days during the month, with a total precipitation of 66 mm (2.6 inches). The daylight duration in May in Port Isaac is 15 hours, with an average of 6 hours of sunshine per day. The average wind speed in May is 14 km/h (9 mph), and the humidity level is around 82%.

The water temperature in Port Isaac in May ranges from 10°C to 13°C (50°F to 55°F). At the beginning of the month, the average temperature is around 12°C (54°F), shifting to 12°C (54°F) by mid-May and reaching 12°C (54°F) in the last ten days. Overall, the average sea temperature in Port Isaac for May is 12°C (54°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Sea Temperature in May in Nearby Cities

Frequently Asked Questions About Water Temperatures in May in Port Isaac

What is the sea temperature in Port Isaac in May?

The water temperature in the Celtic Sea in Port Isaac in May ranges from 10°C to 13°C (50°F to 55°F).

Is it possible to swim in the Celtic Sea in Port Isaac in May?

The average sea temperature in Port Isaac in May is 12°C (54°F), and the air temperature is 15°C (59°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.