Cong Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cong.
Climate overview of Cong
Cong, Galway County, Ireland, experiences moderate temperature changes through the seasons. July is the warmest month with daytime highs of 19°C (66°F), while January is the coolest at 9°C (48°F).
Rainfall is high, totalling around 1277 mm (50 in) per year. December is the wettest month and March the driest. May is the sunniest month, averaging 5.2 hours of sunshine per day.
Cong Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cong - and find the best time to visit.
Monthly Temperature in Cong
The climate in Cong experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a pleasant 19°C (66°F) in July, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like January.
At night, you can expect temperatures ranging from 12°C (54°F) in July to around 3°C (37°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cong
Cong has a relatively rainy climate with high precipitation levels, averaging 1277 mm (50 in) of rainfall annually. Year-round, Cong has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 119 mm (4.7 in), and the driest month, March, with 93 mm (3.7 in), is minimal. For more details, please visit our Cong Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Cong
Seasonal changes in sunshine hours are quite dramatic in Cong. 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
Humidity in Cong 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 Cong
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: September
- Warmest weather: June, July, August and September
- Most sunshine: May
Frequently asked questions about the climate in Cong
What is the best time to visit Cong?
September typically offers the most optimal weather in Cong. In contrast, January, February, November and December tend to have less optimal conditions.
What temperatures can I expect in Cong?
Daytime highs range from 9°C (48°F) in January to 19°C (66°F) in July. Nighttime lows range from 3°C (37°F) to 12°C (54°F).
How much rain does Cong get?
Annual rainfall is around 1277 mm (50 in). December is the wettest month with 119 mm (4.7 in), while March is the driest with 93 mm (3.7 in).
How sunny is Cong?
Cong 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.
Cong 3-Day Forecast
Cong on the map
Cong is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
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