Click on a day for an hourly weather forecast
The temperatures in Osoyoos in August are comfortable with low of 10°C and and high up to 27°C.
The wather in Osoyoos in August can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Osoyoos in August 2025.
If you’re planning to visit Osoyoos in the near future, we highly recommend that you review the 14 day weather forecast for Osoyoos before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -10° | 6 | 7 | 20 | 68 mm | Awful | Osoyoos in January |
| February | -1° / -10° | 6 | 5 | 17 | 50 mm | Awful | Osoyoos in February |
| March | 4° / -5° | 8 | 7 | 17 | 89 mm | Awful | Osoyoos in March |
| April | 10° / -1° | 6 | 16 | 8 | 70 mm | Bad | Osoyoos in April |
| May | 17° / 3° | 8 | 21 | 2 | 89 mm | Bad | Osoyoos in May |
| June | 21° / 6° | 7 | 23 | 0 | 79 mm | Ok | Osoyoos in June |
| July | 27° / 10° | 3 | 28 | 0 | 38 mm | Perfect | Osoyoos in July |
| August | 27° / 10° | 2 | 29 | 0 | 23 mm | Perfect | Osoyoos in August |
| September | 21° / 6° | 3 | 27 | 0 | 43 mm | Good | Osoyoos in September |
| October | 11° / 1° | 5 | 23 | 3 | 60 mm | Bad | Osoyoos in October |
| November | 3° / -5° | 6 | 9 | 15 | 72 mm | Awful | Osoyoos in November |
| December | -3° / -11° | 6 | 7 | 19 | 61 mm | Awful | Osoyoos in December |