| home | Summary of the weather at Hampstead during 1979 | ||||||||||||||||||
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| Month | Mean Max | Mean Min | Hi Max | Date | Lo Max | Date | Hi Min | Date | Low Min | Date | GrassMin | Date | AirFrost | Grnd Frost | Max <0 | Max >10 | Max >21 | Fog | |
| degC | degC | degC | degC | degC | degC | degC | days | days | days | days | days | 09gmt | |||||||
| Jan-79 | 3.1 | -2.4 | 8.0 | 8 | -1.5 | 5 | 4.1 | 8 | -7.2 | 1 | -12.0 | 1 | 24 | 28 | 3 | 0 | |||
| Feb-79 | 4.0 | -1.2 | 8.8 | 27 | -1.9 | 15 | 1.8 | 1 | -4.3 | 15 | -8.6 | 25 | 19 | 28 | 3 | 0 | |||
| Mar-79 | 7.9 | 1.2 | 13.1 | 25 | 1.0 | 15 | 8.0 | 3 | -1.5 | 23 | -6.0 | 23 | 7 | 19 | 0 | 0 | |||
| Apr-79 | 11.6 | 4.3 | 22.5 | 15 | 6.5 | 6 | 11.0 | 11 | -0.3 | 6 | -4.0 | 6 | 1 | 11 | 0 | 1 | |||
| May-79 | 15.0 | 6.8 | 26.1 | 15 | 8.0 | 2 | 12.2 | 29 | -0.6 | 4 | -4.0 | 4 | 3 | 7 | 0 | 4 | |||
| Jun-79 | 18.2 | 10.4 | 25.4 | 20 | 13.6 | 7 | 13.6 | 18 | 7.0 | 15 | 3.4 | 8 | 0 | 0 | 0 | 3 | |||
| Jul-79 | 21.5 | 12.9 | 29.6 | 27 | 15.9 | 19 | 17.0 | 28 | 8.0 | 1 | 5.8 | 2 | 0 | 0 | 0 | 17 | |||
| Aug-79 | 19.9 | 11.7 | 25.0 | 30 | 15.2 | 23 | 16.4 | 13 | 7.7 | 28 | 0.5 | 28 | 0 | 0 | 0 | 10 | |||
| Sep-79 | 18.4 | 10.0 | 24.8 | 6 | 13.0 | 22 | 15.5 | 19 | 2.4 | 22 | -1.5 | 14 | 0 | 3 | 0 | 7 | |||
| Oct-79 | 15.3 | 8.8 | 20.4 | 9 | 10.0 | 23 | 13.8 | 9 | 2.6 | 28 | -2.4 | 30 | 0 | 2 | 0 | 0 | |||
| Nov-79 | 9.6 | 3.4 | 13.8 | 26 | 4.6 | 16 | 9.2 | 28 | -2.2 | 13 | -7.9 | 13 | 5 | 15 | 0 | 0 | |||
| Dec-79 | 8.2 | 3.5 | 14.4 | 5 | 1.7 | 23 | 10.0 | 7 | -1.6 | 25 | -5.6 | 25 | 4 | 16 | 0 | 0 | |||
| YEAR | 12.7 | 5.8 | 29.6 | -1.9 | 17.0 | -7.2 | -12.0 | 63 | 129 | 6 | 42 | ||||||||
| Month | Rainfall | WettestDay | Date | >0.2mm | >1mm | >25mm | Sunshine | Max Sun | Date | NoSun | >10h | Snow | SnowLying | Thunder | Hail | IcePellets | MostSnow | Date | |
| mm | mm | days | days | days | hours | hours | days | days | days | 0900gmt | days | days | days | cm | |||||
| Jan-79 | 80.8 | 12.2 | 25 | 18 | 15 | 0 | 47.3 | 6.5 | 27 | 14 | 0 | 13 | 20 | 0 | 0 | 0 | 10 | 1 | |
| Feb-79 | 49.4 | 14.8 | 1 | 9 | 7 | 0 | 45.7 | 7.6 | 26 | 14 | 0 | 4 | 10 | 0 | 0 | 0 | 12 | 16 | |
| Mar-79 | 107.5 | 24.9 | 13 | 24 | 19 | 0 | 87.7 | 11.0 | 23 | 10 | 1 | 3 | 2 | 1 | 0 | 0 | 7 | 17 | |
| Apr-79 | 85.9 | 19.5 | 23 | 18 | 14 | 0 | 109.9 | 11.6 | 30 | 3 | 2 | 0 | 0 | 3 | 0 | 0 | 0 | ||
| May-79 | 123.6 | 25.3 | 30 | 17 | 16 | 1 | 197.9 | 13.5 | 15 | 2 | 6 | 0 | 0 | 2 | 0 | 0 | 0 | ||
| Jun-79 | 48.9 | 17.2 | 13 | 11 | 10 | 0 | 136.9 | 14.1 | 22 | 4 | 3 | 0 | 0 | 3 | 0 | 0 | 0 | ||
| Jul-79 | 21.3 | 8.7 | 28 | 6 | 6 | 0 | 171.8 | 13.2 | 5 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Aug-79 | 52.7 | 17.2 | 8 | 14 | 7 | 0 | 167.1 | 11.6 | 28 | 0 | 5 | 0 | 0 | 1 | 0 | 0 | 0 | ||
| Sep-79 | 27.4 | 12.0 | 19 | 8 | 5 | 0 | 182.6 | 11.4 | 5 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Oct-79 | 67.9 | 25.0 | 25 | 10 | 10 | 1 | 113.8 | 9.9 | 18 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | ||
| Nov-79 | 50.0 | 9.0 | 11 | 15 | 13 | 0 | 58.9 | 7.9 | 2 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Dec-79 | 96.2 | 33.4 | 27 | 14 | 14 | 1 | 52.6 | 6.0 | 25 | 12 | 0 | 2 | 1 | 0 | 0 | 0 | 5 | 22 | |
| YEAR | 811.6 | 33.4 | 164 | 136 | 3 | 1372.2 | 14.1 | 80 | 25 | 22 | 33 | 11 | 0 | 0 | 12 | ||||