Click on a day for an hourly weather forecast
The temperatures in Plymouth in October are usually low and can range between 10°C and 14°C.
You can expect rain for roughly half of the month of October in Plymouth. 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 Plymouth in October 2025.
If you’re planning to visit Plymouth in the near future, we highly recommend that you review the 14 day weather forecast for Plymouth before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 5° | 10 | 19 | 1 | 142 mm | Bad | Plymouth in January |
| February | 8° / 5° | 9 | 17 | 2 | 118 mm | Awful | Plymouth in February |
| March | 10° / 5° | 7 | 23 | 1 | 95 mm | Bad | Plymouth in March |
| April | 12° / 6° | 5 | 25 | 0 | 72 mm | Ok | Plymouth in April |
| May | 14° / 8° | 6 | 26 | 0 | 82 mm | Good | Plymouth in May |
| June | 17° / 11° | 6 | 24 | 0 | 95 mm | Good | Plymouth in June |
| July | 18° / 13° | 6 | 25 | 0 | 94 mm | Good | Plymouth in July |
| August | 18° / 13° | 7 | 24 | 0 | 112 mm | Ok | Plymouth in August |
| September | 17° / 12° | 5 | 25 | 0 | 75 mm | Good | Plymouth in September |
| October | 14° / 10° | 8 | 23 | 0 | 149 mm | Ok | Plymouth in October |
| November | 11° / 8° | 9 | 21 | 0 | 150 mm | Bad | Plymouth in November |
| December | 9° / 6° | 10 | 20 | 1 | 154 mm | Bad | Plymouth in December |