Click on a day for an hourly weather forecast
The temperatures in Maine in August are comfortable with low of 18°C and and high up to 29°C.
You can expect about 3 to 8 days of rain in Maine during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Maine in August 2025.
If you’re planning to visit Maine in the near future, we highly recommend that you review the 14 day weather forecast for Maine before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -8° | 2 | 19 | 9 | 27 mm | Awful | Maine in January |
| February | 2° / -7° | 1 | 18 | 9 | 36 mm | Awful | Maine in February |
| March | 11° / 1° | 5 | 22 | 5 | 63 mm | Bad | Maine in March |
| April | 16° / 6° | 6 | 23 | 2 | 95 mm | Ok | Maine in April |
| May | 22° / 12° | 8 | 23 | 0 | 170 mm | Ok | Maine in May |
| June | 28° / 18° | 9 | 21 | 0 | 179 mm | Good | Maine in June |
| July | 30° / 19° | 7 | 24 | 0 | 114 mm | Ok | Maine in July |
| August | 29° / 18° | 7 | 24 | 0 | 154 mm | Ok | Maine in August |
| September | 26° / 14° | 6 | 24 | 0 | 107 mm | Perfect | Maine in September |
| October | 18° / 8° | 5 | 25 | 1 | 83 mm | Good | Maine in October |
| November | 10° / 2° | 2 | 26 | 2 | 33 mm | Bad | Maine in November |
| December | 3° / -5° | 3 | 22 | 7 | 48 mm | Awful | Maine in December |