Click on a day for an hourly weather forecast
The temperatures in Merritt in August are quite cold with temperatures between 8°C and 21°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Merritt 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 Merritt in August 2025.
If you’re planning to visit Merritt in the near future, we highly recommend that you review the 14 day weather forecast for Merritt before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -3° / -10° | 10 | 10 | 11 | 125 mm | Awful | Merritt in January |
| February | -3° / -11° | 10 | 7 | 14 | 88 mm | Awful | Merritt in February |
| March | 1° / -7° | 12 | 9 | 11 | 116 mm | Awful | Merritt in March |
| April | 5° / -3° | 8 | 18 | 4 | 90 mm | Awful | Merritt in April |
| May | 13° / 2° | 8 | 23 | 0 | 77 mm | Bad | Merritt in May |
| June | 16° / 5° | 7 | 23 | 0 | 76 mm | Ok | Merritt in June |
| July | 21° / 8° | 4 | 27 | 0 | 52 mm | Good | Merritt in July |
| August | 21° / 8° | 4 | 27 | 0 | 50 mm | Good | Merritt in August |
| September | 16° / 5° | 5 | 25 | 0 | 69 mm | Good | Merritt in September |
| October | 8° / 0° | 6 | 24 | 1 | 90 mm | Ok | Merritt in October |
| November | 0° / -6° | 11 | 12 | 7 | 148 mm | Awful | Merritt in November |
| December | -4° / -11° | 10 | 6 | 15 | 98 mm | Awful | Merritt in December |