Cahersiveen Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cahersiveen.
Climate overview of Cahersiveen
Temperatures in Cahersiveen, Kerry, Ireland, shift moderately through the seasons. The warmest month is August at 18°C (64°F), and the coolest is January at 10°C (50°F).
Rainfall is high, totalling around 1547 mm (61 in) per year. December is the wettest month and June the driest. The sunniest month is May, with 6.0 hours of sunshine per day on average.
Cahersiveen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cahersiveen - and find the best time to visit.
Monthly Temperature in Cahersiveen
The weather in Cahersiveen changes moderately throughout the year, offering enough variation to appreciate each season. Average maximum daytime temperatures range from a pleasant 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 Cahersiveen
Cahersiveen has a notably wet climate with abundant precipitation, recording 1547 mm (61 in) of rainfall per year. While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 170 mm (6.7 in) of precipitation, spread over 24 rainy days.
In contrast, the driest month June experiences a drier climate, with about 98 mm (3.9 in) of rainfall spread across 17 rainy days. For more details, please visit our Cahersiveen 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 Cahersiveen
Seasonal changes in sunshine hours are quite dramatic in Cahersiveen. While May receives considerable daily sunshine with up to 6.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.3 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
Water Temperature in Cahersiveen
The mean water temperature over the year ranges from 9°C (48°F) in March to 15°C (59°F) in July.
Water temperature over the year
Humidity in Cahersiveen by Month
The relative humidity is high throughout the year in Cahersiveen.
The city experiences its highest humidity in July, reaching 80%. In April, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Cahersiveen
The mean wind speed varies between 4 m/s (8 knots) and 6 m/s (12 knots) throughout the year. It is lowest in June, July and August and highest during January, February, March, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Cahersiveen
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: June, July, August and September
- Most sunshine: May
- Fewest rainy days: April, May, June and July
Frequently asked questions about the climate in Cahersiveen
What is the best time to visit Cahersiveen?
June, July and August typically offer the most optimal weather in Cahersiveen. In contrast, January, February, March, April, November and December tend to have less optimal conditions.
What temperatures can I expect in Cahersiveen?
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 Cahersiveen get?
Annual rainfall is around 1547 mm (61 in). December is the wettest month with 170 mm (6.7 in), while June is the driest with 98 mm (3.9 in).
How sunny is Cahersiveen?
Cahersiveen receives around 1,268 hours of sunshine per year. May is the sunniest month with 180 hours, while December is the cloudiest with just 40 hours.
Cahersiveen 3-Day Forecast
Cahersiveen on the map
Cahersiveen 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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