Swimming in Portstewart in january 2025: Average sea temperature in january and tide times in january 2025

Average sea temperature in Portstewart in january 2025.

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

Minimum: 47°F

Average: 49°F

Maximum: 51°F

Other useful seasonal weather averages in january:

  • Outside temperature: 41°F to 45°F
  • Most common weather: "Cloudy"
  • The wind blows at 0.6mph
  • It rains a total of 4.9in, over 9 day(s).

Should we swim in Portstewart in january?

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

You won't be able to swim in Portstewart in january! The water temperature is freezing, reaching as low as 47°F (and only 51°F at best)! Our advice: if you are going to Portstewart this month, plan to sightsee and forget the beach!

Note also that in january, the climate is very bad with an average outside temperature of 43°F, 4.9in of precipitation (over 9 days) and 86.93 % humidity.

Water and normal seasonal temperatures in Portstewart in january

January
Average sea temperature 49°F
Minimum sea temperature 47°F
Maximum sea temperature 51°F
Average outside temperature 43°F
Maximum outside temperature 47°F
Minimum outside temperature 41°F
Wind speed 20.5mph
Wind temperature 34°F
Precipitation 4.9in
Number of days of rain 9 jour(s)
(29%)
Humidity 87%
Visibility in kilometers 8.75km
Cloud cover 63%
Our opinion freezing swimming

Chart of the tides in january 2025

Tide times in january 2025 in Portstewart

Swim elsewhere in Northern Ireland in january

City Average T° Max. T° Our opinion
Belfast in january48°F51°Ffreezing swimming
Derry (Londonderry) in january50°F52°Ffreezing swimming
Portrush in january49°F51°Ffreezing swimming

Swim in Northern Ireland in january: sea temperature by city

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