Climate averages 1991–2020
Cork weather
in April.
A cool, moderately wet month: the 7th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cool month in Cork: daytime highs average 12.2°C and nights cool to about 6.3°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 68 mm of rain on roughly 13 days, which makes April a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 51 min on an average April day.
The nearest other city in this atlas is Limerick (86 km away). In April its highs average 12.5°C, about as warm as Cork, with 76 mm of rain.
Among the 5 cities listed in Ireland, Cork ranks joint 2nd of 5 for the warmest April highs and 3rd of 5 for the driest April (rainfall, lowest first). The mean April high of those 5 cities is 12.1°C; Cork is 0.1°C warmer than that mean.
From April to May, average highs rise by 2.5°C to 14.7°C, and monthly rainfall falls from 68 mm to 67 mm.
The annual picture
April 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, selected | 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 | 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
April in nearby cities
- Limerick in AprilIreland · 86 kmHigh 12.5°C · Low 5.6°C · 76 mm rain
- Galway in AprilIreland · 158 kmHigh 12.2°C · Low 5.5°C · 76 mm rain
- Tallaght in AprilIreland · 209 kmHigh 11.6°C · Low 5.2°C · 66 mm rain
- Dublin in AprilIreland · 219 kmHigh 11.9°C · Low 5.6°C · 66 mm rain
- Swansea in AprilUnited Kingdom · 313 kmHigh 11.8°C · Low 6.1°C · 69 mm rain
- Lisburn in AprilUnited Kingdom · 334 kmHigh 11.0°C · Low 5.3°C · 65 mm rain
- Belfast in AprilUnited Kingdom · 345 kmHigh 10.9°C · Low 5.9°C · 65 mm rain
- Plymouth in AprilUnited Kingdom · 346 kmHigh 12.3°C · Low 6.5°C · 63 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.