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Sea Temperature in Mers-les-Bains in May
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© Annick Henniquin
Complete information on the sea temperature range in the English Channel in Mers-les-Bains in May. Historical daily data. Climate details for May. Tips on swimming conditions and beach relaxation in Mers-les-Bains. 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 Mers-les-Bains in May
9°C
MINIMUN
12°C
AVERAGE
15°C
MAXIMUM
Historical Data of Water Temperature in May in Mers-les-Bains
Water Temperature Chart for English Channel in Mers-les-Bains in May
Sea Temperature Table in Mers-les-Bains in May Over the Past Years
Day | 2024 | 2023 | 2022 | Average |
---|---|---|---|---|
May 1 | 10°C | 10°C | 11°C | 10.5°C |
May 2 | 10°C | 10°C | 11°C | 10.5°C |
May 3 | 10°C | 10°C | 12°C | 10.8°C |
May 4 | 10°C | 11°C | 12°C | 11.0°C |
May 5 | 10°C | 11°C | 14°C | 11.5°C |
May 6 | 10°C | 11°C | 13°C | 11.3°C |
May 7 | 10°C | 13°C | 10°C | 11.0°C |
May 8 | 11°C | 13°C | 12°C | 12.0°C |
May 9 | 10°C | 12°C | 14°C | 12.0°C |
May 10 | 11°C | 12°C | 11°C | 11.5°C |
May 11 | 11°C | 12°C | 11°C | 11.5°C |
May 12 | 11°C | 12°C | 10°C | 11.5°C |
May 13 | 11°C | 11°C | 10°C | 11.0°C |
May 14 | 11°C | 12°C | 12°C | 11.8°C |
May 15 | 11°C | 12°C | 11°C | 11.5°C |
May 16 | 11°C | 12°C | 14°C | 12.5°C |
May 17 | 11°C | 12°C | 12°C | 12.0°C |
May 18 | 12°C | 12°C | 11°C | 12.0°C |
May 19 | 12°C | 11°C | 12°C | 12.0°C |
May 20 | 11°C | 12°C | 13°C | 12.3°C |
May 21 | 12°C | 12°C | 13°C | 12.5°C |
May 22 | 12°C | 12°C | 13°C | 12.5°C |
May 23 | 12°C | 12°C | 13°C | 12.5°C |
May 24 | 12°C | 12°C | 13°C | 12.5°C |
May 25 | 12°C | 12°C | 13°C | 12.5°C |
May 26 | 12°C | 13°C | 14°C | 13.0°C |
May 27 | 13°C | 13°C | 14°C | 13.3°C |
May 28 | 13°C | 13°C | 14°C | 13.5°C |
May 29 | 13°C | 13°C | 13°C | 13.3°C |
May 30 | 13°C | 13°C | 13°C | 13.3°C |
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
Mers-les-Bains Climate and Swimming Opportunities in May
19°C
Average Day Air Temperature
10°C
Average Night Air Temperature
48 mm
Precipitation Amount per Month
11 days
Number of Rainy Days
15 hrs
Daylight
per Day
7 hrs
Sunshine
per Day
18 km/h
Average Wind Speed
80%
Average
humidity
Mers-les-Bains lies within the Hauts-de-France in France. The average daytime temperature in Mers-les-Bains in May is 19°C (66°F), while the nighttime average is 10°C (49°F). There are typically 11 rainy days during the month, with a total precipitation of 48 mm (1.9 inches). The daylight duration in May in Mers-les-Bains is 15 hours, with an average of 7 hours of sunshine per day. The average wind speed in May is 18 km/h (11 mph), and the humidity level is around 80%.
The water temperature in Mers-les-Bains 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 Mers-les-Bains 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 Mers-les-Bains
What is the sea temperature in Mers-les-Bains in May?
The water temperature in the English Channel in Mers-les-Bains in May ranges from 10°C to 13°C (50°F to 55°F).
Is it possible to swim in the English Channel in Mers-les-Bains in May?
The average sea temperature in Mers-les-Bains in May is 12°C (54°F), and the air temperature is 19°C (66°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.