Swimming in Belfast in june 2025: Average sea temperature in june and tide times in june 2025
Average sea temperature in Belfast in june 2025.
In june, according to seasonal norms, the sea temperature in Belfast is:
Minimum: 50°F
Average: 54°F
Maximum: 58°F
Other useful seasonal weather averages in june:
- Outside temperature: 54°F to 62°F
- Most common weather: "Moderate rain at times"
- The wind blows at 6.8mph
- It rains a total of 4.8in, over 8 day(s).
Should we swim in Belfast in june?
No... The water temperature in Belfast in june is freezing
You won't be able to swim in Belfast in june! The water temperature is freezing, reaching as low as 50°F (and only 58°F at best)! Our advice: if you are going to Belfast this month, plan to sightsee and forget the beach!
Note also that in june, the climate is tolerable with an average outside temperature of 58°F, 4.7in of precipitation (over 8 days) and 90.74 % humidity.
Water and normal seasonal temperatures in Belfast in june
| June | |||
| Average sea temperature | 54°F | ||
| Minimum sea temperature | 50°F | ||
| Maximum sea temperature | 58°F | ||
| Average outside temperature | 59°F | ||
| Maximum outside temperature | 63°F | ||
| Minimum outside temperature | 54°F | ||
| Wind speed | 11.2mph | ||
| Wind temperature | 52°F | ||
| Precipitation | 4.8in | ||
| Number of days of rain | 8 jour(s) (25%) | ||
| Humidity | 91% | ||
| Visibility in kilometers | 8.6km | ||
| Cloud cover | 58% | ||
| Our opinion | freezing swimming |
Chart of the tides in june 2025
Tide times in june 2025 in Belfast
Swim elsewhere in Northern Ireland in june
| City | Average T° | Min. T° | Max. T° | Our opinion | Derry (Londonderry) in june | 54°F | 58°F | freezing swimming | Portrush in june | 54°F | 57°F | freezing swimming | Portstewart in june | 53°F | 58°F | freezing swimming |