Cool
Average highs are around 15°C, so pack for cooler days.
January verdict
Poor for holiday weather
Average highs are around 15°C, so pack for cooler days. Sunshine averages 3.1h per day, so this is not one of the brighter months. Rainfall averages 134mm, so some wet days are possible.
Monthly averages
Temp
15°C
Rain
134mm
Sun
3.1h
Sea
0°C
Weather score
21
Poor
Cool
Average highs are around 15°C, so pack for cooler days.
Showers
Rainfall averages 134mm, so some wet days are possible.
Limited sun
Sunshine averages 3.1h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 0°C, so the water can feel cool.
Map
Compare International Waters with nearby places by weather score, rain, sun, temperature, and swim conditions.
January15°C average high
January has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
January134mm average rain
January is one of International Waters' wettest months, so rain is likely to be a major planning factor.
Driest monthsMay to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
January3.1 hours average sun
January is one of International Waters' cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
January0°C average sea
January is close to International Waters' usual sea temperature, with limited seasonal change in the water.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
January21 weather score
January is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.