Cool
Average highs are around 8°C, so pack for cooler days.
January verdict
Dublin, Ireland in January
Weather score16Poor
Poor for holiday weather
Average highs are around 8°C, so pack for cooler days. Sunshine averages 1.7h per day, so this is not one of the brighter months. Rainfall averages 62mm, which is relatively low for holiday planning.
January weather
Monthly averages
Temp
8°C
Rain
62mm
Sun
1.7h
Sea
9°C
Weather score
16
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 62mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 1.7h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 9°C, so the water can feel cool.
Map
Weather map
Compare Dublin, Ireland with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
January8°C average high
January has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
January62mm average rain
January is close to Dublin's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
January1.7 hours average sun
January is one of Dublin's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
January9°C average sea
January is below Dublin's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to October
Sea temperatures are usually near 15°C in this stretch, so swimming comfort is at its strongest.
Weather score
January16 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 monthsJune to August
These months have the strongest weather score in the monthly averages.
