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Kilkenny 1961-1990 averages | | | | | | | | | | | | | |
TEMPERATURE (degrees Celsius) | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
mean daily max. | 7.7 | 7.9 | 10.0 | 12.4 | 15.1 | 18.1 | 19.9 | 19.6 | 17.2 | 13.9 | 10.1 | 8.4 | 13.4 |
mean daily min. | 1.4 | 1.6 | 2.3 | 3.4 | 5.6 | 8.4 | 10.4 | 9.9 | 7.9 | 6.1 | 2.8 | 2.1 | 5.2 |
mean | 4.6 | 4.8 | 6.1 | 7.9 | 10.3 | 13.3 | 15.2 | 14.7 | 12.6 | 10.0 | 6.4 | 5.3 | 9.3 |
absolute max. | 14.1 | 15.1 | 18.5 | 23.5 | 26.0 | 31.5 | 31.4 | 30.5 | 25.6 | 22.2 | 17.4 | 14.8 | 31.5 |
absolute min. | -14.1 | -11.1 | -7.9 | -5.4 | -3.7 | 0.5 | 2.3 | 1.2 | -1.6 | -4.4 | -7.0 | -10.8 | -14.1 |
mean no. of days with air frost | 10.8 | 8.7 | 7.4 | 4.1 | 0.8 | 0.0 | 0.0 | 0.0 | 0.4 | 2.0 | 8.4 | 10.5 | 53.0 |
mean no. of days with ground frost | 18.2 | 14.9 | 14.3 | 12.4 | 7.3 | 2.0 | 0.4 | 0.8 | 3.4 | 6.8 | 14.2 | 16.8 | 111.5 |
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RELATIVE HUMIDITY (%) | | | | | | | | | | | | | |
mean at 0900UTC | 88 | 87 | 85 | 79 | 76 | 76 | 78 | 82 | 85 | 88 | 89 | 89 | 84 |
mean at 1500UTC | 80 | 74 | 68 | 64 | 64 | 65 | 65 | 66 | 69 | 76 | 78 | 82 | 71 |
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SUNSHINE (hours) | | | | | | | | | | | | | |
mean daily duration | 1.71 | 2.29 | 3.32 | 4.85 | 5.47 | 5.15 | 4.65 | 4.50 | 3.82 | 2.71 | 2.22 | 1.48 | 3.51 |
greatest daily duration | 8.2 | 9.7 | 12.1 | 14.0 | 15.8 | 16.3 | 16.0 | 14.2 | 11.8 | 10.2 | 9.0 | 7.3 | 16.3 |
mean no. of days with no sun | 11 | 8 | 6 | 3 | 2 | 2 | 2 | 2 | 3 | 6 | 9 | 12 | 65 |
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RAINFALL (mm) | | | | | | | | | | | | | |
mean monthly total | 86.3 | 66.1 | 63.9 | 51.4 | 61.9 | 50.5 | 52.5 | 69.4 | 73.5 | 84.9 | 73.8 | 88.6 | 822.8 |
greatest daily total | 31.5 | 32.3 | 29.9 | 24.5 | 23.9 | 30 | 66.4 | 49.8 | 30 | 34.6 | 29 | 45.8 | 66.4 |
mean no. of days with >= 0.2mm | 19 | 15 | 17 | 15 | 17 | 14 | 13 | 15 | 15 | 18 | 17 | 18 | 192 |
mean no. of days with >= 1.0mm | 15 | 11 | 12 | 10 | 12 | 10 | 9 | 11 | 11 | 13 | 12 | 13 | 137 |
mean no. of days with >= 5.0mm | 7 | 5 | 5 | 4 | 5 | 4 | 3 | 4 | 5 | 6 | 5 | 6 | 58 |
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WIND (knots) | | | | | | | | | | | | | |
mean monthly speed | 7.4 | 7.4 | 7.7 | 6.7 | 6.4 | 5.8 | 5.6 | 5.6 | 5.9 | 6.4 | 6.4 | 7.1 | 6.5 |
max. gust | 77 | 72 | 60 | 53 | 54 | 45 | 46 | 56 | 65 | 74 | 56 | 65 | 77 |
max. mean 10-minute speed | 44 | 39 | 36 | 33 | 32 | 28 | 27 | 29 | 40 | 45 | 35 | 40 | 45 |
mean no. of days with gales | 0.5 | 0.3 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.1 | 0.3 | 1.4 |
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WEATHER (mean no. of days with...) | | | | | | | | | | | | | |
snow or sleet | 5.1 | 5.0 | 3.1 | 0.8 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.5 | 2.6 | 17.3 |
snow lying at 0900UTC | 1.7 | 1.5 | 0.4 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.4 | 4.1 |
hail | 1.1 | 1.0 | 2.7 | 2.4 | 1.3 | 0.5 | 0.1 | 0.1 | 0.1 | 0.3 | 0.4 | 0.3 | 10.4 |
thunder | 0.1 | 0.1 | 0.2 | 0.4 | 0.8 | 0.9 | 1.1 | 0.8 | 0.3 | 0.2 | 0.0 | 0.1 | 5.0 |
fog | 4.6 | 2.9 | 2.3 | 2.0 | 2.4 | 2.3 | 2.6 | 4.6 | 5.6 | 5.9 | 4.3 | 4.9 | 44.4 |