Letterkenny Weather and Climate: A Comprehensive Guide
The temperature in Letterkenny varies moderately throughout the year.
The temperatures shift from pleasant
to cold.
It also experiences much rainfall throughout the year.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
The weather in Letterkenny changes moderately throughout the year, offering enough variation to appreciate each season. Average daytime temperatures reach a pleasant 19°C in July. In February, the coolest month of the year, temperatures drop to a chilly 9°C.
At night, you can expect cooler temperatures, with averages dropping to around 3°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Letterkenny has a relatively rainy climate with high precipitation levels, averaging 1281 mm of rainfall annually. Despite minor fluctuations, Letterkenny enjoys fairly consistent precipitation throughout the year. In December, you can expect around 119 mm of precipitation, while in April, Letterkenny receives about 91 mm.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Letterkenny can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.3 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
overcast and no rain overcast and rain overcast and no rainForecast for Letterkenny
7 m/s
7 m/s
6 m/s
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Letterkenny in Ireland
Other facts from our historical weather data:July has an average maximum temperature of 19°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 9°C.
December tops the wettest month list with 119 mm of rainfall.
April is the driest month with 91 mm of precipitation.
May is the sunniest month with an average of 203 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
