Click on a day for an hourly weather forecast
The temperatures in Southampton in October are usually low and can range between 12°C and 15°C.
You can expect rain for roughly half of the month of October in Southampton. 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 Southampton in October 2025.
If you’re planning to visit Southampton in the near future, we highly recommend that you review the 14 day weather forecast for Southampton before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 5° | 9 | 20 | 3 | 111 mm | Awful | Southampton in January |
| February | 8° / 5° | 9 | 17 | 3 | 89 mm | Awful | Southampton in February |
| March | 10° / 6° | 6 | 25 | 1 | 65 mm | Ok | Southampton in March |
| April | 12° / 7° | 4 | 25 | 0 | 53 mm | Ok | Southampton in April |
| May | 14° / 9° | 4 | 27 | 0 | 60 mm | Good | Southampton in May |
| June | 17° / 12° | 5 | 25 | 0 | 79 mm | Good | Southampton in June |
| July | 19° / 14° | 4 | 27 | 0 | 71 mm | Good | Southampton in July |
| August | 19° / 15° | 4 | 27 | 0 | 80 mm | Good | Southampton in August |
| September | 18° / 14° | 4 | 26 | 0 | 67 mm | Good | Southampton in September |
| October | 15° / 12° | 8 | 23 | 0 | 131 mm | Ok | Southampton in October |
| November | 12° / 9° | 8 | 21 | 0 | 129 mm | Bad | Southampton in November |
| December | 9° / 7° | 8 | 21 | 1 | 125 mm | Bad | Southampton in December |