On average 35.8 nights will report an air frost, some 119 days of the year will register at least 1mm of precipitation, and on 7.4 days a cover of snow will be observed.
22.
"' Stockholm "'did not set any cold records, but still had a colder year than usual, with the entire January month being below freezing . 136 air frosts were recorded throughout the year.
23.
The Isles of Scilly, for example is the warmest place in the whole of Great Britain with an average temperature of 11.6 �C, where there are on average less than 2 days of air frost per year, are in the USDA Hardiness zone 10, is the only area in the UK that is in this zone.
24.
A severe cold spell in December 2010 produced some further light snowfalls but this period was much more notable for the persistence and severity of frost, with the record for the lowest temperature on record being threatened at times, but never actually broken; the absolute minimum being " 6.6 �C on Christmas morning . 2010 was also the frostiest year on record, with 62 days recording an air frost, over 10 times the average.
