Sea Temperature in Saint Marys in May

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

50°F

MINIMUN

54°F

AVERAGE

57°F

MAXIMUM

Historical Data of Water Temperature in May in Saint Marys

Water Temperature Chart for Celtic Sea in Saint Marys in May

Sea Temperature Table in Saint Marys in May Over the Past Years

Day	2024	2023	2022	Average
May 1	52°C	52°C	50°C	51°C
May 2	52°C	52°C	54°C	52°C
May 3	52°C	52°C	55°C	53°C
May 4	52°C	52°C	52°C	52°C
May 5	52°C	52°C	57°C	54°C
May 6	52°C	52°C	52°C	52°C
May 7	50°C	52°C	50°C	51°C
May 8	52°C	52°C	52°C	52°C
May 9	52°C	52°C	55°C	53°C
May 10	52°C	54°C	55°C	54°C
May 11	50°C	52°C	54°C	52°C
May 12	52°C	52°C	52°C	52°C
May 13	52°C	52°C	57°C	54°C
May 14	52°C	52°C	57°C	54°C
May 15	52°C	52°C	57°C	54°C
May 16	52°C	54°C	57°C	54°C
May 17	52°C	54°C	55°C	54°C
May 18	54°C	54°C	54°C	54°C
May 19	54°C	54°C	55°C	55°C
May 20	52°C	54°C	54°C	54°C
May 21	52°C	54°C	55°C	54°C
May 22	52°C	55°C	55°C	55°C
May 23	52°C	55°C	55°C	55°C
May 24	52°C	54°C	55°C	55°C
May 25	52°C	54°C	57°C	55°C
May 26	54°C	54°C	57°C	55°C
May 27	54°C	55°C	57°C	56°C
May 28	52°C	55°C	57°C	55°C
May 29	54°C	57°C	57°C	56°C
May 30	54°C	57°C	55°C	55°C

Saint Marys Climate and Swimming Opportunities in May

64°F

Average Day Air Temperature

50°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

11 days

Number of Rainy Days

15 hrs

Daylight
per Day

7 hrs

Sunshine
per Day

13 mph

Average Wind Speed

81%

Average
humidity

Saint Marys lies within the England in United Kingdom. The average daytime temperature in Saint Marys in May is 18°C (64°F), while the nighttime average is 10°C (50°F). There are typically 11 rainy days during the month, with a total precipitation of 72 mm (2.8 inches). The daylight duration in May in Saint Marys is 15 hours, with an average of 7 hours of sunshine per day. The average wind speed in May is 22 km/h (14 mph), and the humidity level is around 81%.

The water temperature in Saint Marys 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 11°C (52°F), shifting to 12°C (54°F) by mid-May and reaching 13°C (55°F) in the last ten days. Overall, the average sea temperature in Saint Marys 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 Saint Marys

What is the sea temperature in Saint Marys in May?

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

Is it possible to swim in the Celtic Sea in Saint Marys in May?

The average sea temperature in Saint Marys in May is 12°C (54°F), and the air temperature is 18°C (64°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.