Weather Guide

County Louth, Ireland Average Monthly Weather

Weather score23Poor annual avg

Best months: July, June, August

Across the year, average daytime temperatures are around 13°C, sunshine averages 3.6h per day, and rainfall totals about 898mm. Sea temperatures average 12°C across the year.

Annual weather

Annual averages

Temp

13°C

Rain

898mm

Annual total

Sun

3.6h

Sea

12°C

Weather score

23

Poor avg

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Cool

Average highs are around 19°C, so pack for cooler days.

Drier

Rainfall averages 77mm, which is relatively low for holiday planning.

Limited sun

Sunshine averages 4.6h per day, so this is not one of the brighter months.

Cool sea

Sea temperatures average 15°C, so the water can feel cool.

Map

Weather map

Compare County Louth, Ireland with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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August19°C average high

August is one of County Louth's hottest months, so shade and slower afternoons matter.

Warmest monthsJune to September

This stretch sets the upper range for average daytime heat.

August77mm average rain

August sits near County Louth's yearly rainfall average, so rain is a normal planning factor rather than an outlier.

Driest monthsFebruary to November

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

August4.6 hours average sun

August is brighter than County Louth's yearly average, though the strongest sunshine usually sits closer to the peak months.

Brightest monthsApril to July

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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August15°C average sea

August is one of County Louth's warmest sea months, when swimming comfort is usually strongest.

Warmest seaJune to September

Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.

Weather score

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August33 weather score

August scores above County Louth's yearly average, so the overall weather mix is stronger than most months.

Best weather monthsJune to August

These months have the strongest weather score in the monthly averages.

Hotels near County Louth, Ireland