Cool
Average highs are around 17°C, so pack for cooler days.
July verdict
Letterkenny, Ireland in July
Weather score27Poor
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 4.1h per day, so this is not one of the brighter months. Rainfall averages 87mm, so some wet days are possible.
July weather
Monthly averages
Temp
17°C
Rain
87mm
Sun
4.1h
Sea
15°C
Weather score
27
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 87mm, so some wet days are possible.
Limited sun
Sunshine averages 4.1h 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 Letterkenny, Ireland with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July17°C average high
July is one of Letterkenny's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
July87mm average rain
July sits on the drier side of Letterkenny's year, which helps with sightseeing and transfers.
Driest monthsFebruary to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July4.1 hours average sun
July is brighter than Letterkenny's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to June
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July15°C average sea
July is one of Letterkenny's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 15°C in this stretch, so swimming comfort is at its strongest.
Weather score
July27 weather score
July is one of Letterkenny's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsApril to August
These months have the strongest weather score in the monthly averages.
