Posrmoric Sea Water Temperature
A temperate beach on the Celtic Sea, warmest around August at about 17.8°C. Today's reading, 7-day forecast, and monthly averages below.
Posrmoric water temperature
Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.
7-Day Water Temperature Forecast
Posrmoric Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Posrmoric occurs inJune, July, August, September — peaking at17.8°C (64°F) in August.
Year-Round Water Temperature Curve (°C / °F)
Hover a bar for detailsFull 12-month data table — min / avg / max & swimming comfort
| Month | Min Water Temp | Average Water Temp | Max Water Temp | Swimming Comfort |
|---|---|---|---|---|
| January | 9.3°C | 10.8°C | 12.7°C | Very Cold (< 16°C) |
| February | 8.1°C | 10°C | 11.7°C | Very Cold (< 16°C) |
| March | 8.4°C | 10.1°C | 11.6°C | Very Cold (< 16°C) |
| April | 9.4°C | 11.5°C | 14.2°C | Very Cold (< 16°C) |
| May | 11.9°C | 13.9°C | 18°C | Very Cold (< 16°C) |
| June | 13.8°C | 16.1°C | 18.1°C | Cool / Refreshing (16°C – 20°C) |
| July | 14.2°C | 17.5°C | 21°C | Cool / Refreshing (16°C – 20°C) |
| August | 14.9°C | 17.8°C | 20.7°C | Cool / Refreshing (16°C – 20°C) |
| SeptemberCurrent | 14.5°C | 17.2°C | 18.5°C | Cool / Refreshing (16°C – 20°C) |
| October | 13.9°C | 16°C | 18.4°C | Cool / Refreshing (16°C – 20°C) |
| November | 12.3°C | 14.1°C | 16°C | Very Cold (< 16°C) |
| December | 11°C | 12.3°C | 14.1°C | Very Cold (< 16°C) |
Swimming FAQs for Posrmoric
Is the sea warm enough to swim in Posrmoric today?
Typical sea surface temperature in Posrmoric this time of year is 17.2°C (63°F) — classified as Cool / Refreshing (16°C – 20°C). Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing. Live readings load automatically.
What are the warmest months for swimming in Posrmoric?
The highest water temperatures in Posrmoric typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Posrmoric in September?
Historically in September, water temperatures in Posrmoric average around17.2°C (63.0°F), fluctuating between a recorded minimum of 14.5°C and a maximum of 18.5°C.