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Summer Days at Well Hill

 0 0 0 0 3
 Last Updated
May 15 
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec  

First day of summer was May 12th.
There have been 3 summer days so far this year

Historical First Day of Summer and Summer Days

The average of the first day of summer is 20 of May. Each year is colour coded to indicate if the first day of summer in that year is earlier or later than the average first day of summer.

The average number of summer days in previous years is 79.2. Each year is colour coded to indicate if that year had less or more than the average number of summer days.

Year First Day
1999  06  1564
2000  05  1457
2001  05  2574
2002  06  0266
2003  05  28102
2004  05  1685
2005  05  0188
2006  05  04102
2007  05  2366
2008  05  0565
2009  05  2479
2010  05  2172
2011  05  0763
2012  05  2470
2013  06  1872
2014  05  1786
2015  06  0563
2016  05  0793
2017  05  1683
2018  04  1995
2019  05  2573
2020  05  1993
2021  06  0285
2022  05  1792
2023  06  1092
2024  05  12 

Compare this graph with the 2023 weather graph.

What are Summer Days?

A Summer Day is defined as a day when the average air temperature at Well Hill exceeds 16 Celsius (61 Fahrenheit). The temperature is not adjusted for height above sea level - it is the actual temperature at Well Hill.

Where is Well Hill?

Well Hill is at the western edge of Kent, about 25 kilometres (16 miles) east of London and close to Orpington, in England which is part of Great Britain (GB) which is part of the United Kingdom (UK). It is one of the highest points in Kent and the peak of Well Hill (TQ 497 631) is at 187 metres (614 feet) above sea level.

Keep abreast of environmental news at www.environment-watch.co.uk

From the BBC

Britain could be in for a big freeze, with the climate ending up more like central Canada, say scientists studying the world's oceans.

They have found evidence that the flow of cold water from the Arctic has decreased by 20% since 1950.

If the trend continues, the supply of warm water to northern Europe will decline, bringing a big chill.

The last time this happened, in the 11th to the 18th Century, northern Europe entered the Little Ice Age.

Such climate variations are thought to be caused by changes to a belt of water that moves heat and cold around the world, the global conveyor belt.

'Key' decade

The new research was presented at the British Association Science Festival in Glasgow.

In a research paper, Sarah Hughes of the FRS Marine Laboratory in Aberdeen, Scotland, said: "It seems that in the past the conveyor belt has stopped and started, sometimes as quickly as within one or two years.

"When it stops, northern Europe is cooled by about 5 C and we get a climate similar to that of northern Canada."

"The next decade will be a key one," she added.


Last Updated: 28 September, 2016
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