Boyle Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Boyle.
Climate overview of Boyle
The climate in Boyle, Roscommon County, Ireland, sees a moderate range of temperatures across the year, from 19°C (66°F) in July down to 9°C (48°F) in January.
With around 1237 mm (49 in) of annual rain/snowfall, Boyle has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has pleasant summers and cold winters. The wettest month is December. May is the sunniest month, averaging 5.2 hours of sunshine per day.
Boyle Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Boyle - and find the best time to visit.
Monthly Temperature in Boyle
The weather in Boyle changes moderately throughout the year, offering enough variation to appreciate each season. 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 9°C (48°F).
At night, temperatures range from around 12°C (54°F) in July to 3°C (37°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Boyle
Boyle experiences significant rain/snowfall throughout the year, averaging 1237 mm (49 in) of precipitation annually. Despite minor fluctuations, Boyle enjoys fairly consistent precipitation throughout the year. In December, you can expect around 113 mm (4.4 in) of precipitation, while in March, Boyle receives about 91 mm (3.6 in). For more details, please visit our Boyle 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 Boyle
Boyle can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 5.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.2 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
Humidity in Boyle 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
Best Time to Visit Boyle
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: June, July and August
- Most sunshine: May
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Boyle
What is the best time to visit Boyle?
May, June, July, August and September typically offer the most optimal weather in Boyle. In contrast, January, February, November and December tend to have less optimal conditions. Boyle has pleasant summers and cold winters.
What temperatures can I expect in Boyle?
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 Boyle get?
Annual rainfall is around 1237 mm (49 in). December is the wettest month with 113 mm (4.4 in), while March is the driest with 91 mm (3.6 in).
How sunny is Boyle?
Boyle 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.
Boyle 3-Day Forecast
Boyle on the map
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