Roundstone Weather & Climate: Best Time to Visit
The climate in Roundstone, Galway County, Ireland, sees a moderate range of temperatures across the year, from 18°C (64°F) in August down to 10°C (50°F) in February.
Rainfall is high, totalling around 1588 mm (63 in) per year. November is the wettest month and April the driest. May is the sunniest month, averaging 5.2 hours of sunshine per day.
Monthly Temperature in Roundstone
The climate in Roundstone experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a moderate 18°C (64°F) in August, the warmest time of the year, to a chilly 10°C (50°F) during cooler months like February.
At night, you can expect temperatures ranging from 13°C (55°F) in August to around 5°C (41°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Roundstone
Roundstone experiences significant rainfall throughout the year, averaging 1588 mm (63 in) of precipitation annually. While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 173 mm (6.8 in) of precipitation, spread over 24 rainy days.
In contrast, the driest month April experiences a drier climate, with about 98 mm (3.9 in) of rainfall spread across 17 rainy days. For more details, please visit our Roundstone Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Roundstone
Seasonal changes in sunshine hours are quite dramatic in Roundstone. While May receives considerable daily sunshine with up to 5.2 hours, December marks the darkest time of the year, where sunshine is scarce 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
Humidity in Roundstone by Month
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
Roundstone 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Roundstone
The best time to visit Roundstone is during June, July, August and September, when the weather provides comfortable temperatures between 16°C (61°F) and 18°C (64°F). With rainfall of 103 mm (4.1 in) to 132 mm (5.2 in), you can expect pleasant weather during your visit in these months.Be prepared for heavier rainfall during November and December, the wettest period of the year. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
