July weather forecast and climate
Portstewart, United Kingdom

Average sea temperature in July - Portstewart, United Kingdom
  • Average sea temperature in July: 13.4°C

The best month for swimming (with the highest average sea temperature) is August (14.3°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).

Average daylight in July - Portstewart, United Kingdom
  • Average daylight in July: 16.8h

The month with the longest days is June (Average daylight: 17.3h).
The month with shortest days is December (Average daylight: 7.2h).

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