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Sea Temperature in Barmouth in May

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

9°C

MINIMUN

11.5°C

AVERAGE

14°C

MAXIMUM

Historical Data of Water Temperature in May in Barmouth

Water Temperature Chart for Celtic Sea in Barmouth in May

Sea Temperature Table in Barmouth in May Over the Past Years

Day202420232022Average
May 110°C10°C10°C10.0°C
May 210°C10°C10°C10.3°C
May 310°C10°C9°C9.8°C
May 410°C10°C9°C9.8°C
May 510°C11°C12°C10.8°C
May 610°C11°C9°C10.0°C
May 710°C11°C12°C11.0°C
May 811°C11°C9°C10.5°C
May 910°C11°C10°C10.5°C
May 1010°C11°C11°C11.0°C
May 1110°C11°C9°C10.5°C
May 1211°C11°C9°C10.8°C
May 1311°C11°C11°C11.3°C
May 1411°C11°C10°C11.0°C
May 1511°C11°C11°C11.0°C
May 1611°C11°C10°C11.0°C
May 1712°C11°C11°C11.8°C
May 1812°C11°C12°C12.0°C
May 1911°C11°C12°C11.5°C
May 2012°C11°C11°C11.8°C
May 2112°C12°C12°C12.3°C
May 2211°C12°C12°C12.0°C
May 2312°C12°C11°C12.0°C
May 2412°C11°C11°C12.0°C
May 2512°C12°C12°C12.0°C
May 2611°C12°C12°C12.0°C
May 2713°C12°C11°C12.3°C
May 2812°C12°C10°C11.8°C
May 2912°C12°C10°C11.8°C
May 3013°C13°C12°C12.8°C
Wales, United KingdomWales, United KingdomWales, United Kingdom

Barmouth Climate and Swimming Opportunities in May

15°C

Average Day Air Temperature

8°C

Average Night Air Temperature

57 mm

Precipitation Amount per Month

12 days

Number of Rainy Days

16 hrs

Daylight
per Day

6 hrs

Sunshine
per Day

16 km/h

Average Wind Speed

81%

Average
humidity

Barmouth lies within the Wales in United Kingdom. The average daytime temperature in Barmouth 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 Barmouth 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 Barmouth 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 12°C (54°F) in the last ten days. Overall, the average sea temperature in Barmouth for May is 11°C (52°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Frequently Asked Questions About Water Temperatures in May in Barmouth

What is the sea temperature in Barmouth in May?

The water temperature in the Celtic Sea in Barmouth in May ranges from 9°C to 12°C (48°F to 54°F).

Is it possible to swim in the Celtic Sea in Barmouth in May?

The average sea temperature in Barmouth 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.