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The weather in Snoqualmie Pass in April is very cold with temperatures between -4°C and 8°C, warm clothes are a must.
You can expect rain for roughly half of the month of April in Snoqualmie Pass. 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.
Snoqualmie Pass is going to experience quite a number of days of snow during April. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!
Our weather forecast can give you a great sense of what weather to expect in Snoqualmie Pass in April 2025.
If you’re planning to visit Snoqualmie Pass in the near future, we highly recommend that you review the 14 day weather forecast for Snoqualmie Pass before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -1° / -10° | 12 | 4 | 18 | 374 mm | Awful | Snoqualmie Pass in January |
| February | 2° / -10° | 12 | 2 | 19 | 331 mm | Awful | Snoqualmie Pass in February |
| March | 4° / -7° | 14 | 3 | 18 | 311 mm | Awful | Snoqualmie Pass in March |
| April | 8° / -4° | 13 | 6 | 12 | 193 mm | Awful | Snoqualmie Pass in April |
| May | 15° / -1° | 12 | 17 | 3 | 150 mm | Bad | Snoqualmie Pass in May |
| June | 19° / 1° | 7 | 23 | 0 | 101 mm | Ok | Snoqualmie Pass in June |
| July | 24° / 3° | 3 | 28 | 0 | 35 mm | Perfect | Snoqualmie Pass in July |
| August | 24° / 4° | 3 | 28 | 0 | 45 mm | Perfect | Snoqualmie Pass in August |
| September | 20° / 2° | 7 | 23 | 0 | 109 mm | Ok | Snoqualmie Pass in September |
| October | 12° / -2° | 11 | 17 | 2 | 281 mm | Awful | Snoqualmie Pass in October |
| November | 4° / -7° | 15 | 5 | 13 | 337 mm | Awful | Snoqualmie Pass in November |
| December | -1° / -11° | 12 | 3 | 21 | 349 mm | Awful | Snoqualmie Pass in December |