Swim in Portstewart in july 2024What is the temperature of the sea in in july?

Average sea temperature in Portstewart in july 2024.

In july, according to seasonal norms, the sea temperature in Portstewart is:

Minimum: 54°F

Average: 56°F

Maximum: 59°F

Other useful seasonal weather averages in july:

  • Outside temperature: 56°F to 62°F
  • Most common weather: "Moderate rain at times"
  • The wind blows at 7.5mph
  • It rains a total of 6in, over 11 day(s).

Should we swim in Portstewart in july?

No... The water temperature in Portstewart in july is freezing

You won't be able to swim in Portstewart in july! The water temperature is freezing, reaching as low as 54°F (and only 59°F at best)! Our advice: if you are going to Portstewart this month, plan to sightsee and forget the beach!

Note also that in july, the climate is tolerable with an average outside temperature of 59°F, 6in of precipitation (over 11 days) and 90.44 % humidity.

Water and normal seasonal temperatures in Portstewart in july

July
Average sea temperature 56°F
Minimum sea temperature 54°F
Maximum sea temperature 59°F
Average outside temperature 59°F
Maximum outside temperature 63°F
Minimum outside temperature 56°F
Wind speed 13.1mph
Wind temperature 54°F
Precipitation 6in
Number of days of rain 11 jour(s)
(35%)
Humidity 91%
Visibility in kilometers 8.91km
Cloud cover 59%
Our opinion freezing swimming

Swim elsewhere in Northern Ireland in july

City Average T° Max. T° Our opinion
Belfast in july57°F60°Ffreezing swimming
Derry (Londonderry) in july57°F60°Ffreezing swimming
Portrush in july57°F59°Ffreezing swimming

Swim in Northern Ireland in july: sea temperature by city

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