Crescent Beach Sea Water Temperature
A temperate beach on the James Bay, warmest around August at about 21.2°C. Today's reading, 7-day forecast, and monthly averages below.
Crescent Beach water temperature
Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.
7-Day Water Temperature Forecast
Crescent Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Crescent Beach occurs inJuly, August, September, October — peaking at21.2°C (70.2°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 | 3.5°C | 6.9°C | 9.4°C | Very Cold (< 16°C) |
| February | 3°C | 4.8°C | 7.3°C | Very Cold (< 16°C) |
| March | 1.9°C | 4.7°C | 8.1°C | Very Cold (< 16°C) |
| April | 3.6°C | 6.9°C | 10.9°C | Very Cold (< 16°C) |
| May | 8.2°C | 10.8°C | 16.4°C | Very Cold (< 16°C) |
| June | 10.6°C | 16°C | 20.1°C | Cool / Refreshing (16°C – 20°C) |
| July | 17.8°C | 20°C | 22.3°C | Comfortable (20°C – 24°C) |
| August | 18.5°C | 21.2°C | 23.8°C | Comfortable (20°C – 24°C) |
| SeptemberCurrent | 17.5°C | 19.9°C | 22.5°C | Cool / Refreshing (16°C – 20°C) |
| October | 14.5°C | 16.8°C | 19.6°C | Cool / Refreshing (16°C – 20°C) |
| November | 10.8°C | 13.3°C | 16.3°C | Very Cold (< 16°C) |
| December | 7.3°C | 9.9°C | 12.5°C | Very Cold (< 16°C) |
Swimming FAQs for Crescent Beach
Is the sea warm enough to swim in Crescent Beach today?
Typical sea surface temperature in Crescent Beach this time of year is 19.9°C (67.8°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 Crescent Beach?
The highest water temperatures in Crescent Beach typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Crescent Beach in September?
Historically in September, water temperatures in Crescent Beach average around19.9°C (67.8°F), fluctuating between a recorded minimum of 17.5°C and a maximum of 22.5°C.