Compare Irish counties
Pick two or three counties to see their rainfall, sunshine and temperatures side by side, month by month.
Cork gets 17% less rain a year than Kerry (1345 mm against 1627 mm), with 52 fewer rain days and 91 more hours of sunshine. July afternoons average 20°C in Cork and 18°C in Kerry; January nights 3°C and 2°C.
Rainfall by month
0 100 200 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 Kerry, Jan: 135 mm Kerry, Feb: 161 mm Kerry, Mar: 134 mm Kerry, Apr: 94 mm Kerry, May: 105 mm Kerry, Jun: 116 mm Kerry, Jul: 143 mm Kerry, Aug: 131 mm Kerry, Sep: 133 mm Kerry, Oct: 163 mm Kerry, Nov: 163 mm Kerry, Dec: 149 mm Limerick, Jan: 115 mm Limerick, Feb: 131 mm Limerick, Mar: 114 mm Limerick, Apr: 81 mm Limerick, May: 95 mm Limerick, Jun: 98 mm Limerick, Jul: 115 mm Limerick, Aug: 102 mm Limerick, Sep: 128 mm Limerick, Oct: 171 mm Limerick, Nov: 127 mm Limerick, Dec: 129 mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime high by month
0 5 10 15 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 Kerry, Jan: 8 °C Kerry, Feb: 10 °C Kerry, Mar: 11 °C Kerry, Apr: 13 °C Kerry, May: 16 °C Kerry, Jun: 17 °C Kerry, Jul: 18 °C Kerry, Aug: 19 °C Kerry, Sep: 17 °C Kerry, Oct: 14 °C Kerry, Nov: 11 °C Kerry, Dec: 9 °C Limerick, Jan: 8 °C Limerick, Feb: 10 °C Limerick, Mar: 11 °C Limerick, Apr: 13 °C Limerick, May: 16 °C Limerick, Jun: 18 °C Limerick, Jul: 19 °C Limerick, Aug: 19 °C Limerick, Sep: 17 °C Limerick, Oct: 14 °C Limerick, Nov: 11 °C Limerick, Dec: 9 °C Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sunshine by month
0.0 5.0 10.0 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 Kerry, Jan: 3.9 hours a day Kerry, Feb: 4.2 hours a day Kerry, Mar: 6.3 hours a day Kerry, Apr: 8.7 hours a day Kerry, May: 10.2 hours a day Kerry, Jun: 9.3 hours a day Kerry, Jul: 8.3 hours a day Kerry, Aug: 8.8 hours a day Kerry, Sep: 7.3 hours a day Kerry, Oct: 5.3 hours a day Kerry, Nov: 3.9 hours a day Kerry, Dec: 3.2 hours a day Limerick, Jan: 3.9 hours a day Limerick, Feb: 4.2 hours a day Limerick, Mar: 6.1 hours a day Limerick, Apr: 8.4 hours a day Limerick, May: 9.6 hours a day Limerick, Jun: 9.1 hours a day Limerick, Jul: 8.4 hours a day Limerick, Aug: 9.0 hours a day Limerick, Sep: 7.1 hours a day Limerick, Oct: 5.3 hours a day Limerick, Nov: 4.1 hours a day Limerick, Dec: 3.2 hours a day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Rain days by month
0 10 20 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 Kerry, Jan: 16 days Kerry, Feb: 20 days Kerry, Mar: 17 days Kerry, Apr: 16 days Kerry, May: 18 days Kerry, Jun: 19 days Kerry, Jul: 21 days Kerry, Aug: 20 days Kerry, Sep: 18 days Kerry, Oct: 21 days Kerry, Nov: 20 days Kerry, Dec: 19 days Limerick, Jan: 15 days Limerick, Feb: 18 days Limerick, Mar: 15 days Limerick, Apr: 14 days Limerick, May: 15 days Limerick, Jun: 17 days Limerick, Jul: 20 days Limerick, Aug: 18 days Limerick, Sep: 16 days Limerick, Oct: 20 days Limerick, Nov: 18 days Limerick, Dec: 18 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.