Cleggan Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cleggan.
Climate overview of Cleggan
Temperatures in Cleggan, Galway County, Ireland, shift moderately through the seasons. The warmest month is August at 18°C (64°F), and the coolest is February at 10°C (50°F).
Rainfall is high, totalling around 1527 mm (60 in) per year. November is the wettest month and May the driest.
Cleggan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cleggan - and find the best time to visit.
Monthly Temperature in Cleggan
The weather in Cleggan changes moderately throughout the year, offering enough variation to appreciate each season. 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 6°C (43°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cleggan
Cleggan has a notably wet climate with abundant precipitation, recording 1527 mm (60 in) of rainfall per year. While rainfall varies throughout the year, each season offers its own charm. November brings wetter days averaging 168 mm (6.6 in) of precipitation, spread over 24 rainy days.
In contrast, the driest month May experiences a drier climate, with about 94 mm (3.7 in) of rainfall spread across 19 rainy days. For more details, please visit our Cleggan Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Cleggan
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June and August
- Warmest weather: July, August and September
Frequently asked questions about the climate in Cleggan
What is the best time to visit Cleggan?
May, June and August typically offer the most optimal weather in Cleggan. In contrast, January, February, March, November and December tend to have less optimal conditions.
What temperatures can I expect in Cleggan?
Daytime highs range from 10°C (50°F) in February to 18°C (64°F) in August. Nighttime lows range from 6°C (43°F) to 13°C (55°F).
How much rain does Cleggan get?
Annual rainfall is around 1527 mm (60 in). November is the wettest month with 168 mm (6.6 in), while May is the driest with 94 mm (3.7 in).
Cleggan 3-Day Forecast
Cleggan on the map
Cleggan is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
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