Swimming in Portsmouth in may 2025: Average sea temperature in may and tide times in may 2025
Average sea temperature in Portsmouth in may 2025.
In may, according to seasonal norms, the sea temperature in Portsmouth is:
Minimum: 50°F
Average: 53°F
Maximum: 55°F
Other useful seasonal weather averages in may:
- Outside temperature: 51°F to 59°F
- Most common weather: "Clear/Sunny"
- The wind blows at 5.6mph
- It rains a total of 2.8in, over 5 day(s).
Should we swim in Portsmouth in may?
No... The water temperature in Portsmouth in may is freezing
You won't be able to swim in Portsmouth in may! The water temperature is freezing, reaching as low as 50°F (and only 55°F at best)! Our advice: if you are going to Portsmouth this month, plan to sightsee and forget the beach!
Note also that in may, the climate is tolerable with an average outside temperature of 55°F, 2.8in of precipitation (over 5 days) and 86.62 % humidity.
Water and normal seasonal temperatures in Portsmouth in may
| May | |||
| Average sea temperature | 53°F | ||
| Minimum sea temperature | 50°F | ||
| Maximum sea temperature | 55°F | ||
| Average outside temperature | 56°F | ||
| Maximum outside temperature | 59°F | ||
| Minimum outside temperature | 52°F | ||
| Wind speed | 14.3mph | ||
| Wind temperature | 49°F | ||
| Precipitation | 2.8in | ||
| Number of days of rain | 5 jour(s) (15%) | ||
| Humidity | 87% | ||
| Visibility in kilometers | 9.36km | ||
| Cloud cover | 43% | ||
| Our opinion | freezing swimming |
Chart of the tides in may 2025
Tide times in may 2025 in Portsmouth
Swim elsewhere in England in may
| City | Average T° | Min. T° | Max. T° | Our opinion | London in may | 53°F | 56°F | freezing swimming | Brighton in may | 53°F | 55°F | freezing swimming | Bristol in may | 52°F | 55°F | freezing swimming | Cornwall in may | 54°F | 56°F | freezing swimming | Exmouth in may | 53°F | 56°F | freezing swimming | Isle of Wight in may | 53°F | 56°F | freezing swimming | Jersey in may | 54°F | 57°F | freezing swimming | Liverpool in may | 52°F | 55°F | freezing swimming | Plymouth in may | 53°F | 56°F | freezing swimming | Skegness in may | 50°F | 52°F | freezing swimming | Torquay in may | 54°F | 56°F | freezing swimming | Dover in may | 54°F | 56°F | freezing swimming | Guernsey in may | 54°F | 56°F | freezing swimming | Hull (Kingston-upon-Hull) in may | 50°F | 52°F | freezing swimming | Isles of Scilly in may | 54°F | 57°F | freezing swimming | Margate in may | 53°F | 56°F | freezing swimming | Falmouth in may | 54°F | 56°F | freezing swimming | Folkestone in may | 54°F | 56°F | freezing swimming | Hunstanton in may | 51°F | 54°F | freezing swimming | Lowestoft in may | 52°F | 56°F | freezing swimming | Newcastle in may | 50°F | 53°F | freezing swimming |