The temperatures in Sussex in May are usually low and can range between 10°C and 20°C.
You can expect about 3 to 8 days of rain in Sussex 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 Sussex in May 2025.
If you’re planning to visit Sussex in the near future, we highly recommend that you review the 14 day weather forecast for Sussex before you arrive.
Temperatures
20° / 10°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
102
mm
Sun Hours
6.1
Hrs