Flights to St. Mary s, United States
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Weather in St. Mary s
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | -11°C | -17°C |
| February | -9°C | -15°C |
| March | -7°C | -14°C |
| April | 0°C | -7°C |
| May | 9°C | 1°C |
| June | 15°C | 7°C |
| July | 15°C | 9°C |
| August | 14°C | 8°C |
| September | 10°C | 4°C |
| October | 2°C | -1°C |
| November | -5°C | -10°C |
| December | -9°C | -14°C |
14 day forecast
Cheapest month to fly to St. Mary s
Explore price trends for trips to St. Mary s
Showing prices in CAD
| Annual Avg. Price | 1429 CAD |
| September 2025 | 1429 CAD |
