Gun Rock Beach Sea Water Temperature
A cool beach on the James Bay, warmest around August at about 19°C. Today's reading, 7-day forecast, and monthly averages below.
Gun Rock Beach water temperature
Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.
7-Day Water Temperature Forecast
Gun Rock Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Gun Rock Beach occurs inJune, July, August, September — peaking at19°C (66.2°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 | 2.7°C | 5.5°C | 8°C | Very Cold (< 16°C) |
| February | 2.3°C | 3.6°C | 5.3°C | Very Cold (< 16°C) |
| March | 1.4°C | 3.8°C | 6.3°C | Very Cold (< 16°C) |
| April | 4°C | 6.2°C | 9.1°C | Very Cold (< 16°C) |
| May | 7.4°C | 10.5°C | 15.1°C | Very Cold (< 16°C) |
| June | 12°C | 15.1°C | 18°C | Very Cold (< 16°C) |
| July | 15.9°C | 18.4°C | 21.7°C | Cool / Refreshing (16°C – 20°C) |
| August | 16.5°C | 19°C | 21.7°C | Cool / Refreshing (16°C – 20°C) |
| SeptemberCurrent | 15.3°C | 17.6°C | 20.9°C | Cool / Refreshing (16°C – 20°C) |
| October | 10.6°C | 14.2°C | 17.1°C | Very Cold (< 16°C) |
| November | 8.5°C | 10.7°C | 13.8°C | Very Cold (< 16°C) |
| December | 5.6°C | 7.9°C | 10.3°C | Very Cold (< 16°C) |
Swimming FAQs for Gun Rock Beach
Is the sea warm enough to swim in Gun Rock Beach today?
Typical sea surface temperature in Gun Rock Beach this time of year is 17.6°C (63.7°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 Gun Rock Beach?
The highest water temperatures in Gun Rock Beach typically occur duringJune, July, August, September, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Gun Rock Beach in September?
Historically in September, water temperatures in Gun Rock Beach average around17.6°C (63.7°F), fluctuating between a recorded minimum of 15.3°C and a maximum of 20.9°C.