Watermill Beach Sea Water Temperature
A temperate beach on the James Bay, warmest around August at about 22.1°C. Today's reading, 7-day forecast, and monthly averages below.
Watermill Beach water temperature
Pleasant and revitalizing. Great for most beachgoers and active recreational swimming.
7-Day Water Temperature Forecast
Watermill Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Watermill Beach occurs inJuly, August, September, October — peaking at22.1°C (71.8°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 | 3.4°C | 6.5°C | 9.7°C | Very Cold (< 16°C) |
| February | 2.1°C | 4.3°C | 6.4°C | Very Cold (< 16°C) |
| March | 1.5°C | 4.6°C | 8.1°C | Very Cold (< 16°C) |
| April | 3.8°C | 7.1°C | 11.2°C | Very Cold (< 16°C) |
| May | 9°C | 11.6°C | 16.5°C | Very Cold (< 16°C) |
| June | 12°C | 16.9°C | 20.3°C | Cool / Refreshing (16°C – 20°C) |
| July | 19.1°C | 21°C | 23.1°C | Comfortable (20°C – 24°C) |
| August | 19.8°C | 22.1°C | 24.4°C | Comfortable (20°C – 24°C) |
| SeptemberCurrent | 18.2°C | 20.7°C | 23.4°C | Comfortable (20°C – 24°C) |
| October | 14.4°C | 17.4°C | 19.7°C | Cool / Refreshing (16°C – 20°C) |
| November | 10.9°C | 13.4°C | 16.3°C | Very Cold (< 16°C) |
| December | 6.9°C | 9.6°C | 12.5°C | Very Cold (< 16°C) |
Swimming FAQs for Watermill Beach
Is the sea warm enough to swim in Watermill Beach today?
Typical sea surface temperature in Watermill Beach this time of year is 20.7°C (69.3°F) — classified as Comfortable (20°C – 24°C). Pleasant and revitalizing. Great for most beachgoers and active recreational swimming. Live readings load automatically.
What are the warmest months for swimming in Watermill Beach?
The highest water temperatures in Watermill Beach typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Watermill Beach in September?
Historically in September, water temperatures in Watermill Beach average around20.7°C (69.3°F), fluctuating between a recorded minimum of 18.2°C and a maximum of 23.4°C.