Click on a day for an hourly weather forecast
The temperatures in Sapporo in August are comfortable with low of 16°C and and high up to 24°C.
You can expect rain for roughly half of the month of August in Sapporo. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Sapporo in August 2025.
If you’re planning to visit Sapporo in the near future, we highly recommend that you review the 14 day weather forecast for Sapporo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -4° / -10° | 6 | 1 | 30 | 157 mm | Awful | Sapporo in January |
| February | -4° / -10° | 6 | 1 | 26 | 124 mm | Awful | Sapporo in February |
| March | 1° / -6° | 10 | 3 | 22 | 133 mm | Awful | Sapporo in March |
| April | 9° / 1° | 9 | 15 | 7 | 106 mm | Awful | Sapporo in April |
| May | 16° / 7° | 8 | 23 | 0 | 126 mm | Ok | Sapporo in May |
| June | 20° / 11° | 8 | 22 | 0 | 147 mm | Ok | Sapporo in June |
| July | 24° / 16° | 9 | 22 | 0 | 210 mm | Good | Sapporo in July |
| August | 24° / 16° | 9 | 22 | 0 | 239 mm | Good | Sapporo in August |
| September | 20° / 13° | 7 | 23 | 0 | 199 mm | Ok | Sapporo in September |
| October | 13° / 6° | 6 | 24 | 1 | 145 mm | Ok | Sapporo in October |
| November | 5° / 0° | 10 | 7 | 13 | 177 mm | Awful | Sapporo in November |
| December | -2° / -6° | 8 | 2 | 26 | 172 mm | Awful | Sapporo in December |