Compare Irish counties
Pick two or three counties to see their rainfall, sunshine and temperatures side by side, month by month.
Meath gets 12% less rain a year than Cavan (978 mm against 1106 mm), with 19 fewer rain days and 113 more hours of sunshine. July afternoons average 20°C in Meath and 19°C in Cavan; January nights 2°C and 2°C.
Rainfall by month
0 50 100 Meath, Jan: 68 mm Meath, Feb: 72 mm Meath, Mar: 78 mm Meath, Apr: 75 mm Meath, May: 77 mm Meath, Jun: 75 mm Meath, Jul: 91 mm Meath, Aug: 72 mm Meath, Sep: 94 mm Meath, Oct: 111 mm Meath, Nov: 78 mm Meath, Dec: 87 mm Cavan, Jan: 73 mm Cavan, Feb: 93 mm Cavan, Mar: 87 mm Cavan, Apr: 84 mm Cavan, May: 81 mm Cavan, Jun: 77 mm Cavan, Jul: 100 mm Cavan, Aug: 94 mm Cavan, Sep: 108 mm Cavan, Oct: 133 mm Cavan, Nov: 81 mm Cavan, Dec: 95 mm Dublin, Jan: 71 mm Dublin, Feb: 69 mm Dublin, Mar: 79 mm Dublin, Apr: 81 mm Dublin, May: 67 mm Dublin, Jun: 71 mm Dublin, Jul: 92 mm Dublin, Aug: 72 mm Dublin, Sep: 107 mm Dublin, Oct: 121 mm Dublin, Nov: 81 mm Dublin, Dec: 89 mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime high by month
0 5 10 15 Meath, Jan: 7 °C Meath, Feb: 9 °C Meath, Mar: 11 °C Meath, Apr: 12 °C Meath, May: 16 °C Meath, Jun: 18 °C Meath, Jul: 20 °C Meath, Aug: 19 °C Meath, Sep: 17 °C Meath, Oct: 14 °C Meath, Nov: 11 °C Meath, Dec: 9 °C Cavan, Jan: 7 °C Cavan, Feb: 9 °C Cavan, Mar: 10 °C Cavan, Apr: 12 °C Cavan, May: 16 °C Cavan, Jun: 18 °C Cavan, Jul: 19 °C Cavan, Aug: 19 °C Cavan, Sep: 17 °C Cavan, Oct: 14 °C Cavan, Nov: 10 °C Cavan, Dec: 8 °C Dublin, Jan: 8 °C Dublin, Feb: 10 °C Dublin, Mar: 11 °C Dublin, Apr: 12 °C Dublin, May: 15 °C Dublin, Jun: 18 °C Dublin, Jul: 20 °C Dublin, Aug: 20 °C Dublin, Sep: 17 °C Dublin, Oct: 15 °C Dublin, Nov: 11 °C Dublin, Dec: 10 °C Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sunshine by month
0.0 5.0 10.0 Meath, Jan: 4.1 hours a day Meath, Feb: 4.2 hours a day Meath, Mar: 6.3 hours a day Meath, Apr: 8.5 hours a day Meath, May: 10.4 hours a day Meath, Jun: 10.4 hours a day Meath, Jul: 9.1 hours a day Meath, Aug: 9.4 hours a day Meath, Sep: 7.2 hours a day Meath, Oct: 5.4 hours a day Meath, Nov: 4.2 hours a day Meath, Dec: 3.0 hours a day Cavan, Jan: 3.9 hours a day Cavan, Feb: 4.1 hours a day Cavan, Mar: 5.7 hours a day Cavan, Apr: 8.4 hours a day Cavan, May: 10.0 hours a day Cavan, Jun: 9.8 hours a day Cavan, Jul: 8.6 hours a day Cavan, Aug: 9.1 hours a day Cavan, Sep: 7.0 hours a day Cavan, Oct: 4.8 hours a day Cavan, Nov: 4.2 hours a day Cavan, Dec: 2.9 hours a day Dublin, Jan: 4.3 hours a day Dublin, Feb: 4.6 hours a day Dublin, Mar: 7.0 hours a day Dublin, Apr: 9.4 hours a day Dublin, May: 11.2 hours a day Dublin, Jun: 11.7 hours a day Dublin, Jul: 10.2 hours a day Dublin, Aug: 10.2 hours a day Dublin, Sep: 8.0 hours a day Dublin, Oct: 5.9 hours a day Dublin, Nov: 4.3 hours a day Dublin, 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 Meath, Jan: 12 days Meath, Feb: 14 days Meath, Mar: 14 days Meath, Apr: 14 days Meath, May: 15 days Meath, Jun: 14 days Meath, Jul: 17 days Meath, Aug: 13 days Meath, Sep: 13 days Meath, Oct: 17 days Meath, Nov: 13 days Meath, Dec: 14 days Cavan, Jan: 13 days Cavan, Feb: 16 days Cavan, Mar: 16 days Cavan, Apr: 16 days Cavan, May: 15 days Cavan, Jun: 15 days Cavan, Jul: 18 days Cavan, Aug: 18 days Cavan, Sep: 15 days Cavan, Oct: 18 days Cavan, Nov: 14 days Cavan, Dec: 15 days Dublin, Jan: 12 days Dublin, Feb: 13 days Dublin, Mar: 13 days Dublin, Apr: 12 days Dublin, May: 13 days Dublin, Jun: 13 days Dublin, Jul: 15 days Dublin, Aug: 13 days Dublin, Sep: 14 days Dublin, Oct: 17 days Dublin, Nov: 12 days Dublin, 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.