Clifden Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Clifden.
Climate overview of Clifden
Clifden, Galway County, Ireland, has a moderate seasonal temperature range, with August reaching 18°C (64°F) and January cooling to 10°C (50°F).
Rainfall is high, totalling around 1469 mm (58 in) per year. December is the wettest month and April the driest. The most sunshine falls in May, with an average of 5.2 hours of daily sunshine.
Clifden Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Clifden - and find the best time to visit.
Monthly Temperature in Clifden
The climate in Clifden 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 January.
At night, you can expect temperatures ranging from 13°C (55°F) in August to around 5°C (41°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Clifden
Clifden is known for its substantial rainfall, with annual precipitation reaching 1469 mm (58 in). While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 158 mm (6.2 in) of precipitation, spread over 24 rainy days.
In contrast, the driest month April experiences a drier climate, with about 93 mm (3.7 in) of rainfall spread across 17 rainy days. For more details, please visit our Clifden 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 Clifden
Seasonal changes in sunshine hours are quite dramatic in Clifden. 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 Clifden 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
Best Time to Visit Clifden
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, July and August
- Warmest weather: June, July, August and September
- Most sunshine: May
Frequently asked questions about the climate in Clifden
What is the best time to visit Clifden?
May, June, July and August typically offer the most optimal weather in Clifden. In contrast, January, February, March, November and December tend to have less optimal conditions.
What temperatures can I expect in Clifden?
Daytime highs range from 10°C (50°F) in January to 18°C (64°F) in August. Nighttime lows range from 5°C (41°F) to 13°C (55°F).
How much rain does Clifden get?
Annual rainfall is around 1469 mm (58 in). December is the wettest month with 158 mm (6.2 in), while April is the driest with 93 mm (3.7 in).
How sunny is Clifden?
Clifden receives around 1,114 hours of sunshine per year. May is the sunniest month with 157 hours, while December is the cloudiest with just 35 hours.
Clifden 3-Day Forecast
Clifden on the map
Clifden is highlighted - select any city to see its climate.
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