Flights to Portland, ME, United States
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Weather in Portland
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 0°C | -6°C |
| February | 0°C | -6°C |
| March | 4°C | -2°C |
| April | 10°C | 3°C |
| May | 15°C | 8°C |
| June | 20°C | 13°C |
| July | 24°C | 17°C |
| August | 24°C | 16°C |
| September | 20°C | 13°C |
| October | 14°C | 8°C |
| November | 8°C | 2°C |
| December | 3°C | -2°C |