The temperatures in Southampton in May are quite cold with temperatures between 9°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Southampton during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Southampton in May 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.
Temperatures
14° / 9°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
60
mm
Sun Hours
9.5
Hrs
