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Sea Temperature in Holyhead in May
© JT Lamb
Complete information on the sea temperature range in the Celtic Sea in Holyhead in May. Historical daily data. Climate details for May. Tips on swimming conditions and beach relaxation in Holyhead. 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 Holyhead in May
48°F
MINIMUN
52°F
AVERAGE
55°F
MAXIMUM
Historical Data of Water Temperature in May in Holyhead
Water Temperature Chart for Celtic Sea in Holyhead in May
Sea Temperature Table in Holyhead in May Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| May 1 | 50°C | 50°C | 48°C | 50°C |
| May 2 | 50°C | 50°C | 54°C | 51°C |
| May 3 | 50°C | 50°C | 52°C | 51°C |
| May 4 | 48°C | 50°C | 54°C | 51°C |
| May 5 | 48°C | 50°C | 52°C | 50°C |
| May 6 | 50°C | 50°C | 50°C | 50°C |
| May 7 | 50°C | 50°C | 50°C | 50°C |
| May 8 | 48°C | 52°C | 50°C | 50°C |
| May 9 | 50°C | 50°C | 52°C | 51°C |
| May 10 | 48°C | 50°C | 52°C | 50°C |
| May 11 | 50°C | 52°C | 48°C | 51°C |
| May 12 | 50°C | 50°C | 48°C | 50°C |
| May 13 | 50°C | 50°C | 50°C | 51°C |
| May 14 | 50°C | 52°C | 54°C | 52°C |
| May 15 | 50°C | 52°C | 50°C | 51°C |
| May 16 | 50°C | 52°C | 54°C | 52°C |
| May 17 | 50°C | 52°C | 50°C | 51°C |
| May 18 | 50°C | 52°C | 54°C | 52°C |
| May 19 | 50°C | 52°C | 54°C | 52°C |
| May 20 | 52°C | 52°C | 52°C | 52°C |
| May 21 | 52°C | 52°C | 52°C | 52°C |
| May 22 | 50°C | 52°C | 52°C | 52°C |
| May 23 | 50°C | 52°C | 52°C | 52°C |
| May 24 | 52°C | 52°C | 52°C | 52°C |
| May 25 | 50°C | 54°C | 54°C | 52°C |
| May 26 | 52°C | 54°C | 54°C | 53°C |
| May 27 | 50°C | 52°C | 52°C | 51°C |
| May 28 | 50°C | 54°C | 54°C | 53°C |
| May 29 | 52°C | 54°C | 54°C | 53°C |
| May 30 | 54°C | 55°C | 54°C | 54°C |
Holyhead Climate and Swimming Opportunities in May
59°F
Average Day Air Temperature
46°F
Average Night Air Temperature
2 in
Precipitation Amount per Month
12 days
Number of Rainy Days
16 hrs
Daylight
per Day
6 hrs
Sunshine
per Day
10 mph
Average Wind Speed
81%
Average
humidity
Holyhead lies within the Wales in United Kingdom. The average daytime temperature in Holyhead in May is 15°C (59°F), while the nighttime average is 8°C (46°F). There are typically 12 rainy days during the month, with a total precipitation of 57 mm (2.2 inches). The daylight duration in May in Holyhead is 16 hours, with an average of 6 hours of sunshine per day. The average wind speed in May is 16 km/h (10 mph), and the humidity level is around 81%.
The water temperature in Holyhead in May ranges from 9°C to 12°C (48°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 11°C (52°F) in the last ten days. Overall, the average sea temperature in Holyhead for May is 11°C (52°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 Holyhead
What is the sea temperature in Holyhead in May?
The water temperature in the Celtic Sea in Holyhead in May ranges from 9°C to 12°C (48°F to 54°F).
Is it possible to swim in the Celtic Sea in Holyhead in May?
The average sea temperature in Holyhead in May is 11°C (52°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.