Galway Weather and Climate: A Comprehensive Guide
The temperature in Galway varies moderately throughout the year.
The temperatures shift from pleasant
to cold.
It also experiences much rainfall throughout the year.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
In Galway, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a pleasant 20°C in July. In February, the coolest month of the year, temperatures drop to a chilly 10°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
Galway has a relatively rainy climate with high precipitation levels, averaging 1158 mm of rainfall annually. Despite minor fluctuations, Galway enjoys fairly consistent precipitation throughout the year. In December, you can expect around 113 mm of precipitation, while in April, Galway receives about 85 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
Galway can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 5.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The city experiences its highest humidity in January, reaching 90%. In May, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Galway
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Galway in Ireland
Other facts from our historical weather data:July has an average maximum temperature of 20°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 10°C.
December tops the wettest month list with 113 mm of rainfall.
April is the driest month with 85 mm of precipitation.
May is the sunniest month with an average of 157 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.
