Climate averages 1991–2020
Cork weather
in August.
A mild, moderately wet month: the 2nd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a mild month in Cork: daytime highs average 18.5°C and nights cool to about 13.1°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 69 mm of rain on roughly 12 days, which makes August a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 39 min on an average August day.
The nearest other city in this atlas is Limerick (86 km away). In August its highs average 18.4°C, about as warm as Cork, with 89 mm of rain.
Among the 5 cities listed in Ireland, Cork ranks 2nd of 5 for the warmest August highs and 1st of 5 for the driest August (rainfall, lowest first). The mean August high of those 5 cities is 18.3°C; Cork is 0.2°C warmer than that mean.
From August to September, average highs fall by 1.8°C to 16.7°C, and monthly rainfall falls from 69 mm to 64 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Cork climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.7°C4.7°C | 4.7°C | 79 | 13.0 | 8.38 h |
| February | 8.9°C4.4°C | 4.4°C | 65 | 11.2 | 9.910 h |
| March | 10.2°C5.0°C | 5.0°C | 62 | 11.8 | 11.812 h |
| April | 12.2°C6.3°C | 6.3°C | 68 | 12.6 | 13.914 h |
| May | 14.7°C8.8°C | 8.8°C | 67 | 13.0 | 15.616 h |
| June | 17.2°C11.4°C | 11.4°C | 64 | 10.9 | 16.617 h |
| July | 18.7°C13.2°C | 13.2°C | 67 | 11.8 | 16.216 h |
| August, selected | 18.5°C13.1°C | 13.1°C | 69 | 11.6 | 14.715 h |
| September | 16.7°C11.7°C | 11.7°C | 64 | 10.0 | 12.713 h |
| October | 13.7°C9.4°C | 9.4°C | 85 | 12.4 | 10.711 h |
| November | 10.8°C6.7°C | 6.7°C | 80 | 12.0 | 8.99 h |
| December | 9.1°C5.3°C | 5.3°C | 84 | 12.7 | 7.98 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Limerick in AugustIreland · 86 kmHigh 18.4°C · Low 12.4°C · 89 mm rain
- Galway in AugustIreland · 158 kmHigh 17.8°C · Low 12.2°C · 91 mm rain
- Tallaght in AugustIreland · 209 kmHigh 18.2°C · Low 12.3°C · 78 mm rain
- Dublin in AugustIreland · 219 kmHigh 18.6°C · Low 12.8°C · 78 mm rain
- Swansea in AugustUnited Kingdom · 313 kmHigh 18.5°C · Low 13.8°C · 101 mm rain
- Lisburn in AugustUnited Kingdom · 334 kmHigh 17.4°C · Low 12.1°C · 81 mm rain
- Belfast in AugustUnited Kingdom · 345 kmHigh 17.3°C · Low 12.6°C · 81 mm rain
- Plymouth in AugustUnited Kingdom · 346 kmHigh 19.4°C · Low 14.1°C · 69 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cork) is explained once on the Cork year overview and on the Sources, method and limits page.