Rosslare — Water Temperature in October

Water Temperature Range

13°C

minimum

14°C

average

16°C

maximum

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Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2025	2024	2023	2022
OCT 1	15°C	15°C	15°C	15°C
OCT 2	15°C	14°C	15°C	15°C
OCT 3	15°C	14°C	15°C	15°C
OCT 4	15°C	15°C	14°C	15°C
OCT 5	15°C	15°C	15°C	15°C
OCT 6	15°C	15°C	15°C	14°C
OCT 7	15°C	15°C	15°C	14°C
OCT 8	14°C	14°C	14°C	14°C
OCT 9	14°C	14°C	15°C	14°C
OCT 10	15°C	15°C	15°C	14°C
OCT 11	15°C	15°C	14°C	14°C
OCT 12	15°C	15°C	15°C	14°C
OCT 13	15°C	15°C	15°C	14°C
OCT 14	14°C	14°C	14°C	14°C
OCT 15	14°C	14°C	15°C	14°C
OCT 16	15°C	15°C	15°C	14°C
OCT 17	15°C	15°C	15°C	14°C
OCT 18	15°C	14°C	15°C	14°C
OCT 19	14°C	14°C	15°C	14°C
OCT 20	14°C	13°C	15°C	14°C
OCT 21	14°C	14°C	15°C	14°C
OCT 22	14°C	15°C	14°C	14°C
OCT 23	15°C	14°C	15°C	14°C
OCT 24	14°C	14°C	14°C	14°C
OCT 25	14°C	15°C	14°C	13°C
OCT 26	14°C	14°C	14°C	14°C
OCT 27	14°C	14°C	15°C	13°C
OCT 28	14°C	14°C	14°C	13°C
OCT 29	14°C	14°C	14°C	13°C
OCT 30	14°C	14°C	14°C	13°C
OCT 31	14°C	14°C	14°C	13°C

October: Climate and Swimming Opportunities

Average Night Air Temperature

8°C

Average Day Air Temperature

14°C

Precipitation Amount per Month

78 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

3 hrs

Average Wind Speed

18 km/h

Average Humidity

85%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.