The temperatures in Portsmouth in May are comfortable with low of 16°C and and high up to 23°C.
You can expect about 3 to 8 days of rain in Portsmouth 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 Portsmouth in May 2024.
If you’re planning to visit Portsmouth in the near future, we highly recommend that you review the 14 day weather forecast for Portsmouth before you arrive.
Temperatures
23° / 16°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
127
mm
Sun Hours
10.0
Hrs