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Collooney Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Collooney.
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10-day forecastForecast
Climate overview of Collooney
Collooney, Sligo County, Ireland, has a moderate seasonal temperature range, with July reaching 19°C (66°F) and January cooling to 9°C (48°F).
The city receives considerable rain/snowfall, with around 1316 mm (52 in) annually. December is the wettest month. It has pleasant summers and cold winters. The sunniest month is May, with 5.2 hours of sunshine per day on average.
Collooney Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Collooney - and find the best time to visit.
Monthly Temperature in Collooney
In Collooney, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a pleasant 19°C (66°F) in July to a chilly 9°C (48°F) in the coolest month, January.
Nights vary from 12°C (54°F) in July to around 3°C (37°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Collooney
Collooney is known for its substantial rain/snowfall, with annual precipitation reaching 1316 mm (52 in). Precipitation levels in Collooney remain relatively steady throughout the year. December has the most rain, with 119 mm (4.7 in) over 23 days. In the driest month April, this drops slightly to 94 mm (3.7 in), making the city's climate fairly predictable. For more details, please visit our Collooney 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 Collooney
For those who appreciate different seasons, Collooney 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 (60 KM, 37 Miles).
Daily hours of sunshine
Data from: Claremorris, Ireland (60 KM, 37 Miles).
Daily percentage of sunshine
Data from: Claremorris, Ireland (60 KM, 37 Miles).
Humidity in Collooney 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 (60 KM, 37 Miles).
Best Time to Visit Collooney
The most favourable weather available in Collooney usually occurs in June, July and August. Conditions are generally most challenging in January, February, 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
mixed
Apr
mixed
May
mixed
Jun
good
Jul
good
Aug
good
Sep
mixed
Oct
mixed
Nov
wet
Dec
wet
- Best overall: June, July and August
- Warmest weather: June, July and August
- Most sunshine: May
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Collooney
What is the best time to visit Collooney?
June, July and August typically offer the most optimal weather in Collooney. In contrast, January, February, November and December tend to have less optimal conditions. Collooney has pleasant summers and cold winters.
What temperatures can I expect in Collooney?
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 Collooney get?
Annual rainfall is around 1316 mm (52 in). December is the wettest month with 119 mm (4.7 in), while April is the driest with 94 mm (3.7 in).
How sunny is Collooney?
Collooney 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.
Collooney 3-Day Forecast
Collooney on the map
Collooney is highlighted - select any city to see its climate.
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