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Blarney Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Blarney.
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Climate overview of Blarney
Blarney, County Cork, Ireland, has a moderate seasonal temperature range, with July reaching 19°C (66°F) and January cooling to 10°C (50°F).
Annual rainfall is moderate at around 986 mm (39 in), with October being the wettest month. The sunniest month is May, with 6.5 hours of sunshine per day on average.
Blarney Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Blarney - and find the best time to visit.
Monthly Temperature in Blarney
In Blarney, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures reach a pleasant 19°C (66°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).
At night, temperatures range from around 12°C (54°F) in July to 4°C (39°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Blarney
Generally, Blarney experiences moderate precipitation patterns, averaging 986 mm (39 in) yearly. Despite minor fluctuations, Blarney enjoys fairly consistent precipitation throughout the year. In October, you can expect around 96 mm (3.8 in) of precipitation, while in March, Blarney receives about 71 mm (2.8 in). For more details, please visit our Blarney 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 Blarney
Blarney can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.5 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.9 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Cork, Ireland (10 KM, 6 Miles).
Daily hours of sunshine
Data from: Cork, Ireland (10 KM, 6 Miles).
Daily percentage of sunshine
Data from: Cork, Ireland (10 KM, 6 Miles).
Water Temperature in Blarney
The mean water temperature over the year ranges from 8°C (46°F) in March to 16°C (61°F) in August.
Water temperature over the year
Data from: Cork, Ireland (10 KM, 6 Miles).
Humidity in Blarney by Month
The relative humidity is high throughout the year in Blarney.
The city experiences its highest humidity in December, reaching 85%. In April, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Cork, Ireland (10 KM, 6 Miles).
Wind Speed in Blarney
The average wind speed over the year ranges from 4 m/s (8 knots) to 6 m/s (12 knots). It is lower in June, July and August and higher in January, February, March and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: Cork, Ireland (10 KM, 6 Miles).
Best Time to Visit Blarney
For comfortable weather, consider visiting Blarney in June, July, August and September. Conditions are usually least favourable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
mixed
Apr
mixed
May
good
Jun
very good
Jul
very good
Aug
very good
Sep
very good
Oct
good
Nov
mixed
Dec
cold
- Best overall: June, July, August and September
- Warmest weather: June, July and August
- Most sunshine: May
- Warmest water temperature: July, August and September, although the water may still feel cool.
Frequently asked questions about the climate in Blarney
What is the best time to visit Blarney?
June, July, August and September typically offer the most optimal weather in Blarney. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Blarney?
Daytime highs range from 10°C (50°F) in January to 19°C (66°F) in July. Nighttime lows range from 4°C (39°F) to 12°C (54°F).
How much rain does Blarney get?
Annual rainfall is around 986 mm (39 in). October is the wettest month with 96 mm (3.8 in), while March is the driest with 71 mm (2.8 in).
How sunny is Blarney?
Blarney receives around 1,435 hours of sunshine per year. May is the sunniest month with 194 hours, while December is the cloudiest with just 56 hours.
Blarney 3-Day Forecast
Blarney on the map
Blarney is highlighted - select any city to see its climate.
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