Carlow Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Carlow.
Climate overview of Carlow
Carlow, Carlow County, Ireland, sees big temperature differences between seasons, with July peaking at 20°C (68°F) and January dropping to 9°C (48°F).
Carlow sees a moderate amount of rain/snowfall, totalling around 928 mm (37 in) per year. It experiences pleasant summers and cold winters, creating some seasonal variation.
Carlow Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Carlow - and find the best time to visit.
Monthly Temperature in Carlow
Visitors to Carlow can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a pleasant 20°C (68°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 Carlow
Generally, Carlow experiences moderate precipitation patterns, averaging 928 mm (37 in) yearly. Year-round, Carlow has a balanced climate with minimal variation in precipitation. The difference between the wettest month, November, with 86 mm (3.4 in), and the driest month, March, with 66 mm (2.6 in), is minimal. For more details, please visit our Carlow 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 Carlow
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: June, July and August
- Seasonal pattern: pleasant summers and cold winters
Frequently asked questions about the climate in Carlow
What is the best time to visit Carlow?
July and August typically offer the most optimal weather in Carlow. In contrast, January, February and December tend to have less optimal conditions. Carlow has pleasant summers and cold winters.
What temperatures can I expect in Carlow?
Daytime highs range from 9°C (48°F) in January to 20°C (68°F) in July. Nighttime lows range from 3°C (37°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Carlow get?
Annual rainfall is around 928 mm (37 in). November is the wettest month with 86 mm (3.4 in), while March is the driest with 66 mm (2.6 in).
Carlow 3-Day Forecast
Carlow 3-Day Forecast
Carlow on the map
Carlow is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Cork
19°C (66°F) Kilkenny
20°C (68°F) Dublin20°C (68°F) Kenmare
19°C (66°F) Galway20°C (68°F) Killarney19°C (66°F) Westport19°C (66°F) Doolin18°C (64°F) 
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