Click on a day for an hourly weather forecast
The temperatures in Jasper in August are comfortable with low of 19°C and and high up to 29°C.
You can expect about 3 to 8 days of rain in Jasper 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 Jasper in August 2025.
If you’re planning to visit Jasper in the near future, we highly recommend that you review the 14 day weather forecast for Jasper before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -4° | 6 | 17 | 8 | 71 mm | Awful | Jasper in January |
| February | 6° / -2° | 6 | 14 | 9 | 101 mm | Awful | Jasper in February |
| March | 12° / 4° | 7 | 21 | 4 | 98 mm | Awful | Jasper in March |
| April | 18° / 8° | 8 | 22 | 1 | 152 mm | Ok | Jasper in April |
| May | 23° / 14° | 8 | 23 | 0 | 132 mm | Good | Jasper in May |
| June | 28° / 18° | 6 | 24 | 0 | 115 mm | Perfect | Jasper in June |
| July | 30° / 20° | 7 | 24 | 0 | 114 mm | Ok | Jasper in July |
| August | 29° / 19° | 6 | 25 | 0 | 93 mm | Good | Jasper in August |
| September | 26° / 16° | 4 | 26 | 0 | 68 mm | Perfect | Jasper in September |
| October | 19° / 10° | 5 | 26 | 0 | 82 mm | Good | Jasper in October |
| November | 12° / 4° | 5 | 23 | 2 | 84 mm | Bad | Jasper in November |
| December | 7° / 0° | 6 | 20 | 5 | 82 mm | Bad | Jasper in December |