Southampton 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.
Southampton Beach water temperature
Pleasant and revitalizing. Great for most beachgoers and active recreational swimming.
7-Day Water Temperature Forecast
Southampton Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Southampton 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 Southampton Beach
Is the sea warm enough to swim in Southampton Beach today?
Typical sea surface temperature in Southampton 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 Southampton Beach?
The highest water temperatures in Southampton Beach typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Southampton Beach in September?
Historically in September, water temperatures in Southampton Beach average around20.7°C (69.3°F), fluctuating between a recorded minimum of 18.2°C and a maximum of 23.4°C.