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Carna Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Carna.
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Climate overview of Carna
The climate in Carna, 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.
The city receives considerable rainfall, with around 1664 mm (66 in) annually. November is the wettest month. May is the sunniest month, averaging 5.2 hours of sunshine per day.
Carna Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Carna - and find the best time to visit.
Monthly Temperature in Carna
The weather in Carna changes moderately throughout the year, offering enough variation to appreciate each season. Typically, average maximum daytime temperatures range from a moderate 18°C (64°F) in August to a chilly 10°C (50°F) in the coolest month, February.
Nights vary from 13°C (55°F) in August to around 5°C (41°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Carna
Carna experiences significant rainfall throughout the year, averaging 1664 mm (66 in) of precipitation annually. Carna offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month November (183 mm (7.2 in)) and the driest month May (101 mm (4 in)) is not too significant. For more details, please visit our Carna 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 Carna
For those who appreciate different seasons, Carna serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 5.2 hours of sunshine daily, and embrace the darker days in December, offering only 1.2 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Claremorris, Ireland (71 KM, 44 Miles).
Daily hours of sunshine
Data from: Claremorris, Ireland (71 KM, 44 Miles).
Daily percentage of sunshine
Data from: Claremorris, Ireland (71 KM, 44 Miles).
Humidity in Carna 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
Data from: Claremorris, Ireland (71 KM, 44 Miles).
Best Time to Visit Carna
For the most comfortable conditions available during the year, consider visiting Carna in July and August. Conditions are usually least comfortable in January, February, March, April, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
wet
Feb
wet
Mar
wet
Apr
wet
May
mixed
Jun
mixed
Jul
good
Aug
good
Sep
mixed
Oct
mixed
Nov
wet
Dec
wet
- Best overall: July and August
- Warmest weather: July, August and September
- Most sunshine: May
Frequently asked questions about the climate in Carna
What is the best time to visit Carna?
July and August typically offer the most optimal weather in Carna. In contrast, January, February, March, April, November and December tend to have less optimal conditions.
What temperatures can I expect in Carna?
Daytime highs range from 10°C (50°F) in February to 18°C (64°F) in August. Nighttime lows range from 5°C (41°F) to 13°C (55°F).
How much rain does Carna get?
Annual rainfall is around 1664 mm (66 in). November is the wettest month with 183 mm (7.2 in), while May is the driest with 101 mm (4 in).
How sunny is Carna?
Carna 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.
Carna 3-Day Forecast
Carna on the map
Carna is highlighted - select any city to see its climate.
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