일산해수욕장 (Ilsan beach) Sea Water Temperature
A mild beach on the South Sea, warmest around August at about 26.5°C. Today's reading, 7-day forecast, and monthly averages below.
일산해수욕장 (Ilsan beach) water temperature
Ideal swimming conditions. Feels soothing and warm, perfect for hours in the water without getting cold.
7-Day Water Temperature Forecast
일산해수욕장 (Ilsan beach) Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in 일산해수욕장 (Ilsan beach) occurs inJuly, August, September, October — peaking at26.5°C (79.7°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 | 13.3°C | 14.8°C | 16.4°C | Very Cold (< 16°C) |
| February | 12.9°C | 14°C | 15.6°C | Very Cold (< 16°C) |
| March | 12.3°C | 13.8°C | 15.2°C | Very Cold (< 16°C) |
| April | 13.8°C | 15.1°C | 17.2°C | Very Cold (< 16°C) |
| May | 13.8°C | 16.9°C | 19.2°C | Cool / Refreshing (16°C – 20°C) |
| June | 18.1°C | 20.5°C | 22.8°C | Comfortable (20°C – 24°C) |
| July | 20.5°C | 23.2°C | 27.5°C | Comfortable (20°C – 24°C) |
| August | 23.2°C | 26.5°C | 29.7°C | Warm & Ideal (24°C – 28°C) |
| SeptemberCurrent | 22°C | 25°C | 28°C | Warm & Ideal (24°C – 28°C) |
| October | 20.5°C | 22.3°C | 25.2°C | Comfortable (20°C – 24°C) |
| November | 16°C | 19.3°C | 22.1°C | Cool / Refreshing (16°C – 20°C) |
| December | 14.6°C | 17°C | 19.6°C | Cool / Refreshing (16°C – 20°C) |
Swimming FAQs for 일산해수욕장 (Ilsan beach)
Is the sea warm enough to swim in 일산해수욕장 (Ilsan beach) today?
Typical sea surface temperature in 일산해수욕장 (Ilsan beach) this time of year is 25°C (77°F) — classified as Warm & Ideal (24°C – 28°C). Ideal swimming conditions. Feels soothing and warm, perfect for hours in the water without getting cold. Live readings load automatically.
What are the warmest months for swimming in 일산해수욕장 (Ilsan beach)?
The highest water temperatures in 일산해수욕장 (Ilsan beach) typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in 일산해수욕장 (Ilsan beach) in September?
Historically in September, water temperatures in 일산해수욕장 (Ilsan beach) average around25°C (77.0°F), fluctuating between a recorded minimum of 22°C and a maximum of 28°C.