Click on a day for an hourly weather forecast
The weather in Helena in April is very cold with temperatures between -3°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of April in Helena. 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.
Helena 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 Helena in April 2025.
If you’re planning to visit Helena in the near future, we highly recommend that you review the 14 day weather forecast for Helena before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -9° | 6 | 10 | 16 | 39 mm | Awful | Helena in January |
| February | -2° / -10° | 6 | 5 | 18 | 47 mm | Awful | Helena in February |
| March | 4° / -5° | 8 | 10 | 15 | 62 mm | Awful | Helena in March |
| April | 9° / -3° | 8 | 10 | 12 | 86 mm | Awful | Helena in April |
| May | 15° / 2° | 9 | 19 | 3 | 106 mm | Bad | Helena in May |
| June | 21° / 6° | 8 | 22 | 0 | 105 mm | Ok | Helena in June |
| July | 28° / 9° | 3 | 28 | 0 | 45 mm | Perfect | Helena in July |
| August | 26° / 10° | 3 | 28 | 0 | 49 mm | Perfect | Helena in August |
| September | 21° / 6° | 3 | 26 | 1 | 44 mm | Good | Helena in September |
| October | 11° / 0° | 4 | 22 | 6 | 51 mm | Bad | Helena in October |
| November | 3° / -6° | 3 | 15 | 12 | 38 mm | Awful | Helena in November |
| December | -3° / -10° | 6 | 8 | 17 | 37 mm | Awful | Helena in December |