Sea Temperature in Holyhead in July

Complete information on the sea temperature range in the Celtic Sea in Holyhead in July. Historical daily data. Climate details for July. 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 July

54°F

MINIMUN

58°F

AVERAGE

63°F

MAXIMUM

Historical Data of Water Temperature in July in Holyhead

Water Temperature Chart for Celtic Sea in Holyhead in July

Sea Temperature Table in Holyhead in July Over the Past Years

Day	2024	2023	2022	Average
Jul 1	55°C	57°C	55°C	56°C
Jul 2	57°C	57°C	55°C	57°C
Jul 3	55°C	57°C	55°C	56°C
Jul 4	57°C	57°C	55°C	57°C
Jul 5	57°C	57°C	55°C	57°C
Jul 6	57°C	57°C	57°C	57°C
Jul 7	59°C	57°C	57°C	58°C
Jul 8	59°C	57°C	57°C	58°C
Jul 9	59°C	57°C	57°C	58°C
Jul 10	59°C	57°C	57°C	58°C
Jul 11	59°C	57°C	57°C	58°C
Jul 12	61°C	59°C	57°C	59°C
Jul 13	57°C	57°C	57°C	57°C
Jul 14	57°C	59°C	57°C	58°C
Jul 15	59°C	61°C	57°C	59°C
Jul 16	59°C	57°C	57°C	58°C
Jul 17	59°C	57°C	57°C	58°C
Jul 18	59°C	59°C	57°C	58°C
Jul 19	61°C	59°C	57°C	59°C
Jul 20	61°C	59°C	57°C	59°C
Jul 21	61°C	59°C	57°C	59°C
Jul 22	61°C	59°C	57°C	59°C
Jul 23	61°C	59°C	57°C	59°C
Jul 24	59°C	59°C	57°C	58°C
Jul 25	59°C	59°C	57°C	59°C
Jul 26	61°C	59°C	57°C	59°C
Jul 27	61°C	59°C	59°C	59°C
Jul 28	59°C	59°C	59°C	59°C
Jul 29	59°C	59°C	57°C	59°C
Jul 30	59°C	59°C	57°C	59°C

Holyhead Climate and Swimming Opportunities in July

68°F

Average Day Air Temperature

55°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

12 days

Number of Rainy Days

16 hrs

Daylight
per Day

5 hrs

Sunshine
per Day

9 mph

Average Wind Speed

84%

Average
humidity

Holyhead lies within the Wales in United Kingdom. The average daytime temperature in Holyhead in July is 20°C (67°F), while the nighttime average is 13°C (55°F). There are typically 12 rainy days during the month, with a total precipitation of 70 mm (2.8 inches). The daylight duration in July in Holyhead is 16 hours, with an average of 5 hours of sunshine per day. The average wind speed in July is 15 km/h (9 mph), and the humidity level is around 84%.

The water temperature in Holyhead in July ranges from 13°C to 15°C (55°F to 59°F). At the beginning of the month, the average temperature is around 14°C (57°F), shifting to 14°C (57°F) by mid-July and reaching 15°C (59°F) in the last ten days. Overall, the average sea temperature in Holyhead for July is 14°C (57°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Sea Temperature in July in Nearby Cities

Frequently Asked Questions About Water Temperatures in July in Holyhead

What is the sea temperature in Holyhead in July?

The water temperature in the Celtic Sea in Holyhead in July ranges from 13°C to 15°C (55°F to 59°F).

Is it possible to swim in the Celtic Sea in Holyhead in July?

The average sea temperature in Holyhead in July is 14°C (57°F), and the air temperature is 20°C (67°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.