Click on a day for an hourly weather forecast
The temperatures in Keystone in March are usually low and can range between 13°C and 20°C.
The wather in Keystone in March 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 Keystone in March 2025.
If you’re planning to visit Keystone in the near future, we highly recommend that you review the 14 day weather forecast for Keystone before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 20° / 13° | 3 | 28 | 0 | 61 mm | Good | Keystone in January |
| February | 20° / 12° | 2 | 26 | 0 | 55 mm | Good | Keystone in February |
| March | 20° / 13° | 2 | 29 | 0 | 37 mm | Good | Keystone in March |
| April | 21° / 14° | 1 | 29 | 0 | 16 mm | Good | Keystone in April |
| May | 22° / 15° | 1 | 31 | 0 | 9 mm | Good | Keystone in May |
| June | 24° / 17° | 0 | 30 | 0 | 5 mm | Perfect | Keystone in June |
| July | 26° / 19° | 1 | 30 | 0 | 16 mm | Perfect | Keystone in July |
| August | 27° / 20° | 0 | 31 | 0 | 12 mm | Perfect | Keystone in August |
| September | 27° / 21° | 0 | 30 | 0 | 12 mm | Perfect | Keystone in September |
| October | 25° / 19° | 1 | 30 | 0 | 17 mm | Perfect | Keystone in October |
| November | 23° / 15° | 1 | 29 | 0 | 24 mm | Perfect | Keystone in November |
| December | 19° / 12° | 2 | 29 | 0 | 61 mm | Good | Keystone in December |