Climate Insights for Ballybunnion

The climate in Ballybunnion is temperate. The average annual temperature is 11°C and approximately 1126mm of precipitation falls per year. Ballybunnion receives a notable amount of rainfall throughout the year, including during its driest month. Ballybunnion is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, March, February, when temperatures can drop to 5°C.

Ballybunnion sees moderate temperature variation throughout the year, ranging from 5°C to 18°C. August is the warmest month, though highs remain moderate at 18°C with a mean of 15°C. January is the coolest month, with minimum temperatures around 5°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.

Ballybunnion is a moderately rainy area, receiving approximately 1126mm of precipitation annually, which averages out to around 94mm per month. The wettest month is December, averaging 131mm of rainfall. November and October also tend to see above-average precipitation. The driest month is April, with just 59mm. That's 72mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Ballybunnion is moderately windy, with an average annual wind speed of 25km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 31km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in July, with average winds dropping to 22km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 30km/h in winter, 24km/h in spring, 23km/h in summer, 25km/h in autumn.

It is currently spring in Ballybunnion, which began on March 20, 2026. Ballybunnion is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 18°C, while the coldest stretch bottoms out in January near 5°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Ballybunnion is during July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 77mm per month. By contrast, August can be uncomfortably hot with highs reaching 18°C, while January is the coldest period with lows dropping to 5°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Ballybunnion based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.