Compare Irish counties
Pick two or three counties to see their rainfall, sunshine and temperatures side by side, month by month.
Waterford gets 7% less rain a year than Cork (1255 mm against 1345 mm), with 8 fewer rain days and 74 more hours of sunshine. July afternoons average 20°C in Waterford and 20°C in Cork; January nights 3°C and 3°C.
Rainfall by month
0 100 200 Waterford, Jan: 88 mm Waterford, Feb: 108 mm Waterford, Mar: 113 mm Waterford, Apr: 80 mm Waterford, May: 100 mm Waterford, Jun: 69 mm Waterford, Jul: 92 mm Waterford, Aug: 74 mm Waterford, Sep: 125 mm Waterford, Oct: 185 mm Waterford, Nov: 106 mm Waterford, Dec: 115 mm Cork, Jan: 95 mm Cork, Feb: 139 mm Cork, Mar: 116 mm Cork, Apr: 77 mm Cork, May: 95 mm Cork, Jun: 72 mm Cork, Jul: 94 mm Cork, Aug: 81 mm Cork, Sep: 130 mm Cork, Oct: 204 mm Cork, Nov: 119 mm Cork, Dec: 123 mm Kilkenny, Jan: 82 mm Kilkenny, Feb: 89 mm Kilkenny, Mar: 87 mm Kilkenny, Apr: 66 mm Kilkenny, May: 83 mm Kilkenny, Jun: 62 mm Kilkenny, Jul: 86 mm Kilkenny, Aug: 62 mm Kilkenny, Sep: 108 mm Kilkenny, Oct: 138 mm Kilkenny, Nov: 87 mm Kilkenny, Dec: 96 mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime high by month
0 5 10 15 Waterford, Jan: 8 °C Waterford, Feb: 10 °C Waterford, Mar: 11 °C Waterford, Apr: 12 °C Waterford, May: 16 °C Waterford, Jun: 18 °C Waterford, Jul: 20 °C Waterford, Aug: 20 °C Waterford, Sep: 17 °C Waterford, Oct: 14 °C Waterford, Nov: 11 °C Waterford, Dec: 9 °C Cork, Jan: 8 °C Cork, Feb: 10 °C Cork, Mar: 11 °C Cork, Apr: 13 °C Cork, May: 16 °C Cork, Jun: 18 °C Cork, Jul: 20 °C Cork, Aug: 20 °C Cork, Sep: 17 °C Cork, Oct: 14 °C Cork, Nov: 11 °C Cork, Dec: 9 °C Kilkenny, Jan: 7 °C Kilkenny, Feb: 9 °C Kilkenny, Mar: 11 °C Kilkenny, Apr: 12 °C Kilkenny, May: 16 °C Kilkenny, Jun: 18 °C Kilkenny, Jul: 19 °C Kilkenny, Aug: 19 °C Kilkenny, Sep: 17 °C Kilkenny, Oct: 14 °C Kilkenny, Nov: 10 °C Kilkenny, Dec: 9 °C Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sunshine by month
0.0 5.0 10.0 Waterford, Jan: 4.1 hours a day Waterford, Feb: 4.4 hours a day Waterford, Mar: 6.4 hours a day Waterford, Apr: 8.6 hours a day Waterford, May: 10.5 hours a day Waterford, Jun: 10.6 hours a day Waterford, Jul: 9.9 hours a day Waterford, Aug: 9.9 hours a day Waterford, Sep: 7.2 hours a day Waterford, Oct: 5.4 hours a day Waterford, Nov: 4.4 hours a day Waterford, Dec: 3.4 hours a day Cork, Jan: 4.1 hours a day Cork, Feb: 4.6 hours a day Cork, Mar: 6.3 hours a day Cork, Apr: 8.7 hours a day Cork, May: 10.1 hours a day Cork, Jun: 9.6 hours a day Cork, Jul: 9.5 hours a day Cork, Aug: 9.5 hours a day Cork, Sep: 7.3 hours a day Cork, Oct: 5.2 hours a day Cork, Nov: 4.3 hours a day Cork, Dec: 3.2 hours a day Kilkenny, Jan: 3.9 hours a day Kilkenny, Feb: 4.3 hours a day Kilkenny, Mar: 6.2 hours a day Kilkenny, Apr: 8.3 hours a day Kilkenny, May: 9.9 hours a day Kilkenny, Jun: 10.0 hours a day Kilkenny, Jul: 9.1 hours a day Kilkenny, Aug: 9.3 hours a day Kilkenny, Sep: 7.0 hours a day Kilkenny, Oct: 5.2 hours a day Kilkenny, Nov: 4.1 hours a day Kilkenny, Dec: 3.4 hours a day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Rain days by month
0 5 10 15 Waterford, Jan: 12 days Waterford, Feb: 13 days Waterford, Mar: 14 days Waterford, Apr: 12 days Waterford, May: 14 days Waterford, Jun: 12 days Waterford, Jul: 14 days Waterford, Aug: 12 days Waterford, Sep: 14 days Waterford, Oct: 18 days Waterford, Nov: 15 days Waterford, Dec: 14 days Cork, Jan: 12 days Cork, Feb: 15 days Cork, Mar: 15 days Cork, Apr: 13 days Cork, May: 14 days Cork, Jun: 13 days Cork, Jul: 13 days Cork, Aug: 14 days Cork, Sep: 14 days Cork, Oct: 18 days Cork, Nov: 16 days Cork, Dec: 16 days Kilkenny, Jan: 12 days Kilkenny, Feb: 14 days Kilkenny, Mar: 14 days Kilkenny, Apr: 13 days Kilkenny, May: 14 days Kilkenny, Jun: 13 days Kilkenny, Jul: 14 days Kilkenny, Aug: 12 days Kilkenny, Sep: 13 days Kilkenny, Oct: 18 days Kilkenny, Nov: 15 days Kilkenny, Dec: 14 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Figures are averages for 2021–2025 at each county town, from the ERA5 weather reanalysis via Open-Meteo. They describe typical lowland weather in each county; hills and exposed coasts are wetter and windier.