# Piran water temperature

Sea temperature at Piran is 23.7 °C (74.7 °F).

- Location: Piran, Slovenia
- Timezone: Europe/Ljubljana
- Source: Open-Meteo marine forecast (snapshot)
- Generated at: 2026-09-26T16:41:21.238796+02:00
- Forecast page: https://snorkelforecast.com/slovenia/piran/
- HTML sea temperature: https://snorkelforecast.com/slovenia/piran/sea-temperature/
- Temperature is not a safety rating or snorkel score.
- Guidance: Mild water
- What to wear: A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.

## Monthly baseline

- January: 12.3 °C (54.1 °F)
- February: 11.4 °C (52.5 °F)
- March: 11.8 °C (53.2 °F)
- April: 14.2 °C (57.6 °F)
- May: 18.1 °C (64.6 °F)
- June: 23.3 °C (73.9 °F)
- July: 26.1 °C (79.0 °F)
- August: 26.2 °C (79.2 °F)
- September: 24.1 °C (75.4 °F)
- October: 20.7 °C (69.3 °F)
- November: 17.4 °C (63.3 °F)
- December: 14.0 °C (57.2 °F)