Sea Temperature in Saint-Cast-le-Guildo in July

Complete information on the sea temperature range in the Celtic Sea in Saint-Cast-le-Guildo in July. Historical daily data. Climate details for July. Tips on swimming conditions and beach relaxation in Saint-Cast-le-Guildo. 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-Cast-le-Guildo in July

14°C

MINIMUN

16.5°C

AVERAGE

19°C

MAXIMUM

Historical Data of Water Temperature in July in Saint-Cast-le-Guildo

Water Temperature Chart for Celtic Sea in Saint-Cast-le-Guildo in July

Sea Temperature Table in Saint-Cast-le-Guildo in July Over the Past Years

Day	2024	2023	2022	Average
Jul 1	15°C	16°C	15°C	15.5°C
Jul 2	15°C	16°C	15°C	15.5°C
Jul 3	16°C	16°C	16°C	16.0°C
Jul 4	16°C	17°C	16°C	16.3°C
Jul 5	16°C	16°C	17°C	16.3°C
Jul 6	16°C	17°C	17°C	16.8°C
Jul 7	17°C	17°C	17°C	16.8°C
Jul 8	16°C	16°C	17°C	16.3°C
Jul 9	16°C	17°C	17°C	16.5°C
Jul 10	16°C	17°C	17°C	16.8°C
Jul 11	17°C	17°C	17°C	17.0°C
Jul 12	16°C	17°C	17°C	16.5°C
Jul 13	17°C	17°C	17°C	17.0°C
Jul 14	16°C	17°C	17°C	16.5°C
Jul 15	16°C	18°C	16°C	16.8°C
Jul 16	16°C	17°C	16°C	16.5°C
Jul 17	16°C	17°C	17°C	16.8°C
Jul 18	17°C	17°C	17°C	16.8°C
Jul 19	17°C	18°C	17°C	17.3°C
Jul 20	18°C	18°C	17°C	17.5°C
Jul 21	18°C	18°C	17°C	17.5°C
Jul 22	18°C	18°C	17°C	17.5°C
Jul 23	18°C	18°C	17°C	17.5°C
Jul 24	17°C	18°C	17°C	17.3°C
Jul 25	18°C	18°C	17°C	17.5°C
Jul 26	18°C	17°C	18°C	17.5°C
Jul 27	17°C	18°C	18°C	17.5°C
Jul 28	18°C	17°C	18°C	17.8°C
Jul 29	18°C	17°C	17°C	17.5°C
Jul 30	19°C	17°C	17°C	17.8°C

Saint-Cast-le-Guildo Climate and Swimming Opportunities in July

22°C

Average Day Air Temperature

15°C

Average Night Air Temperature

45 mm

Precipitation Amount per Month

8 days

Number of Rainy Days

16 hrs

Daylight
per Day

8 hrs

Sunshine
per Day

18 km/h

Average Wind Speed

77%

Average
humidity

Saint-Cast-le-Guildo lies within the Brittany in France. The average daytime temperature in Saint-Cast-le-Guildo in July is 22°C (71°F), while the nighttime average is 15°C (58°F). There are typically eight rainy days during the month, with a total precipitation of 45 mm (1.8 inches). The daylight duration in July in Saint-Cast-le-Guildo is 16 hours, with an average of 8 hours of sunshine per day. The average wind speed in July is 18 km/h (11 mph), and the humidity level is around 77%.

The water temperature in Saint-Cast-le-Guildo in July ranges from 15°C to 17°C (59°F to 63°F). At the beginning of the month, the average temperature is around 16°C (61°F), shifting to 17°C (63°F) by mid-July and reaching 18°C (64°F) in the last ten days. Overall, the average sea temperature in Saint-Cast-le-Guildo for July is 17°C (63°F). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.

Sea Temperature in July in Nearby Cities

Frequently Asked Questions About Water Temperatures in July in Saint-Cast-le-Guildo

What is the sea temperature in Saint-Cast-le-Guildo in July?

The water temperature in the Celtic Sea in Saint-Cast-le-Guildo in July ranges from 15°C to 17°C (59°F to 63°F).

Is it possible to swim in the Celtic Sea in Saint-Cast-le-Guildo in July?

The average sea temperature in Saint-Cast-le-Guildo in July is 17°C (63°F), and the air temperature is 22°C (71°F), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.