Compare Irish counties
Pick two or three counties to see their rainfall, sunshine and temperatures side by side, month by month.
Wicklow gets 15% more rain a year than Carlow (1132 mm against 985 mm), with 6 more rain days and 259 more hours of sunshine. July afternoons average 19°C in Wicklow and 20°C in Carlow; January nights 3°C and 2°C.
Rainfall by month
0 50 100 150 Wicklow, Jan: 84 mm Wicklow, Feb: 85 mm Wicklow, Mar: 103 mm Wicklow, Apr: 89 mm Wicklow, May: 78 mm Wicklow, Jun: 70 mm Wicklow, Jul: 81 mm Wicklow, Aug: 66 mm Wicklow, Sep: 120 mm Wicklow, Oct: 156 mm Wicklow, Nov: 95 mm Wicklow, Dec: 105 mm Carlow, Jan: 78 mm Carlow, Feb: 79 mm Carlow, Mar: 84 mm Carlow, Apr: 65 mm Carlow, May: 78 mm Carlow, Jun: 62 mm Carlow, Jul: 85 mm Carlow, Aug: 57 mm Carlow, Sep: 101 mm Carlow, Oct: 127 mm Carlow, Nov: 79 mm Carlow, Dec: 90 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 Wicklow, Jan: 8 °C Wicklow, Feb: 9 °C Wicklow, Mar: 10 °C Wicklow, Apr: 12 °C Wicklow, May: 15 °C Wicklow, Jun: 17 °C Wicklow, Jul: 19 °C Wicklow, Aug: 19 °C Wicklow, Sep: 17 °C Wicklow, Oct: 14 °C Wicklow, Nov: 11 °C Wicklow, Dec: 9 °C Carlow, Jan: 7 °C Carlow, Feb: 9 °C Carlow, Mar: 11 °C Carlow, Apr: 13 °C Carlow, May: 16 °C Carlow, Jun: 18 °C Carlow, Jul: 20 °C Carlow, Aug: 20 °C Carlow, Sep: 17 °C Carlow, Oct: 14 °C Carlow, Nov: 10 °C Carlow, Dec: 9 °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 Wicklow, Jan: 4.0 hours a day Wicklow, Feb: 4.7 hours a day Wicklow, Mar: 6.9 hours a day Wicklow, Apr: 9.2 hours a day Wicklow, May: 11.1 hours a day Wicklow, Jun: 11.6 hours a day Wicklow, Jul: 10.6 hours a day Wicklow, Aug: 10.1 hours a day Wicklow, Sep: 7.9 hours a day Wicklow, Oct: 5.8 hours a day Wicklow, Nov: 4.1 hours a day Wicklow, Dec: 3.1 hours a day Carlow, Jan: 4.1 hours a day Carlow, Feb: 4.3 hours a day Carlow, Mar: 6.2 hours a day Carlow, Apr: 8.2 hours a day Carlow, May: 10.0 hours a day Carlow, Jun: 10.1 hours a day Carlow, Jul: 9.1 hours a day Carlow, Aug: 9.1 hours a day Carlow, Sep: 7.0 hours a day Carlow, Oct: 5.2 hours a day Carlow, Nov: 4.0 hours a day Carlow, Dec: 3.3 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 Wicklow, Jan: 12 days Wicklow, Feb: 13 days Wicklow, Mar: 15 days Wicklow, Apr: 14 days Wicklow, May: 14 days Wicklow, Jun: 11 days Wicklow, Jul: 16 days Wicklow, Aug: 13 days Wicklow, Sep: 13 days Wicklow, Oct: 16 days Wicklow, Nov: 15 days Wicklow, Dec: 15 days Carlow, Jan: 13 days Carlow, Feb: 13 days Carlow, Mar: 14 days Carlow, Apr: 13 days Carlow, May: 14 days Carlow, Jun: 11 days Carlow, Jul: 16 days Carlow, Aug: 12 days Carlow, Sep: 13 days Carlow, Oct: 17 days Carlow, Nov: 13 days Carlow, Dec: 14 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.