Avoca Harbour, Arklow Harbour · River
The current water temperature at Avoca Harbour is 17.9 °C (as of September 1, 2026, source: official monitoring networks).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
This measurement series includes 1435 data points since July 3, 2026.
Lowest recorded value: 16.4 °C on August 31, 2026 · highest value: 22.6 °C on July 15, 2026.
In September, temperatures have ranged between 17.3 °C and 18.2 °C.
Can you swim at Avoca Harbour right now?
The current water temperature is 17.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Avoca Harbour?
Currently 17.9 °C (updated continuously).
How warm is at Avoca Harbour in September?
In September, the water temperature recently averaged 17.9 °C.
When is the water warmest at Avoca Harbour?
Across the measurement record, July is on average the warmest month (18.9 °C).