Big Bar Sea Water Temperature
A cool beach on the James Bay, warmest around September at about 15.3°C. Today's reading, 7-day forecast, and monthly averages below.
Big Bar water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Big Bar Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Big Bar occurs inJuly, August, September, October — peaking at15.3°C (59.5°F) in September.
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 | -0.3°C | 3.1°C | 5.9°C | Very Cold (< 16°C) |
| February | -1°C | 1.2°C | 3.7°C | Very Cold (< 16°C) |
| March | -1.4°C | 0.9°C | 3.4°C | Very Cold (< 16°C) |
| April | -1°C | 2.3°C | 6.1°C | Very Cold (< 16°C) |
| May | -0.3°C | 5.2°C | 8.2°C | Very Cold (< 16°C) |
| June | 7.2°C | 9.4°C | 11.9°C | Very Cold (< 16°C) |
| July | 9°C | 12.5°C | 16.4°C | Very Cold (< 16°C) |
| August | 12.8°C | 14.6°C | 16.2°C | Very Cold (< 16°C) |
| SeptemberCurrent | 13.6°C | 15.3°C | 17.1°C | Very Cold (< 16°C) |
| October | 10.8°C | 13.7°C | 15.6°C | Very Cold (< 16°C) |
| November | 8.1°C | 10.4°C | 13.7°C | Very Cold (< 16°C) |
| December | -0.1°C | 6.2°C | 9.3°C | Very Cold (< 16°C) |
Swimming FAQs for Big Bar
Is the sea warm enough to swim in Big Bar today?
Typical sea surface temperature in Big Bar this time of year is 15.3°C (59.5°F) — classified as Very Cold (< 16°C). Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges. Live readings load automatically.
What are the warmest months for swimming in Big Bar?
The highest water temperatures in Big Bar typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Big Bar in September?
Historically in September, water temperatures in Big Bar average around15.3°C (59.5°F), fluctuating between a recorded minimum of 13.6°C and a maximum of 17.1°C.