Rossnowlagh Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Rossnowlagh.
Climate overview of Rossnowlagh
Rossnowlagh, Donegal County, Ireland, experiences moderate temperature changes through the seasons. July is the warmest month with daytime highs of 19°C (66°F), while January is the coolest at 9°C (48°F).
The city receives considerable rainfall, with around 1374 mm (54 in) annually. December is the wettest month. It has pleasant summers and cold winters.
Rossnowlagh Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rossnowlagh - and find the best time to visit.
Monthly Temperature in Rossnowlagh
The weather in Rossnowlagh changes moderately throughout the year, offering enough variation to appreciate each season. 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 Rossnowlagh
Rossnowlagh has a relatively rainy climate with high precipitation levels, averaging 1374 mm (54 in) of rainfall annually. Precipitation levels in Rossnowlagh remain relatively steady throughout the year. December has the most rain, with 131 mm (5.2 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 Rossnowlagh Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Rossnowlagh
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: June, July and August
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Rossnowlagh
What is the best time to visit Rossnowlagh?
July and August typically offer the most optimal weather in Rossnowlagh. In contrast, January, February, March, November and December tend to have less optimal conditions. Rossnowlagh has pleasant summers and cold winters.
What temperatures can I expect in Rossnowlagh?
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 Rossnowlagh get?
Annual rainfall is around 1374 mm (54 in). December is the wettest month with 131 mm (5.2 in), while April is the driest with 94 mm (3.7 in).
Rossnowlagh 3-Day Forecast
Rossnowlagh on the map
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