Click on a day for an hourly weather forecast
The temperatures in St. John's in October are usually low and can range between 13°C and 15°C.
You can expect rain for roughly half of the month of October in St. John's. 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.
Our weather forecast can give you a great sense of what weather to expect in St. John's in October 2025.
If you’re planning to visit St. John's in the near future, we highly recommend that you review the 14 day weather forecast for St. John's before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 10° / 7° | 10 | 21 | 1 | 146 mm | Bad | St. John's in January |
| February | 9° / 7° | 9 | 19 | 1 | 110 mm | Bad | St. John's in February |
| March | 10° / 7° | 6 | 25 | 0 | 81 mm | Ok | St. John's in March |
| April | 11° / 9° | 5 | 25 | 0 | 60 mm | Ok | St. John's in April |
| May | 13° / 10° | 4 | 28 | 0 | 57 mm | Ok | St. John's in May |
| June | 15° / 13° | 4 | 26 | 0 | 70 mm | Good | St. John's in June |
| July | 17° / 15° | 5 | 26 | 0 | 67 mm | Good | St. John's in July |
| August | 17° / 15° | 5 | 26 | 0 | 91 mm | Good | St. John's in August |
| September | 17° / 15° | 5 | 25 | 0 | 77 mm | Good | St. John's in September |
| October | 15° / 13° | 8 | 23 | 0 | 143 mm | Ok | St. John's in October |
| November | 13° / 11° | 10 | 20 | 0 | 172 mm | Bad | St. John's in November |
| December | 11° / 9° | 10 | 21 | 0 | 165 mm | Bad | St. John's in December |