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How is midday sun in the summer not normal? I'm a bit confused. I've noticed more sunbathers in the sun at temperatures hotter than 26°C. Lower sun angle at 26°C isn't a common combination here, except in September.
Because the feel of intensity of the sun changes from day to day depending on the clarity of the atmosphere. The sun won't feel as hot after a few days of muggy humid northerlies as it does after a southerly blast brings clear skies from deep in the Southern Ocean.
I'm not saying 26C isn't sunbathing weather, just that there are 26C days where no one regards the feel of the sun as nice.
Yeah coldest nights in June in frost hollows and rural areas in the UK can easily get down to 3-4 degrees, even in places in the south such as Oxfordshire. Not unusual, even above average months can get a couple of nights that cold.
June 2013 was a pretty average month and this is data for a rural weather station in Oxfordshire:
Probably a trait of Oceanic climates in general. 3-4C nights could be expected here most summers, and frost hollows could expect ground frost and windscreen ice
Summer lows below 10ºC are not that rare even in Portugal.
And lows below 5ºC happen in a dozen of stations at least once per month, negative lows are also not unheard of in July-August, but those don't happen every year.
For example last couple of days in Aljezur, in the southwest (37ºN), valley a few kilometers from the sea
Almada, not even a kilometer away from the sea, 38.5ºN
For Chicago/MDW the average number of days with a minimum below 10C/50F in June is 2.3 days. Most ever was 10 days in June 1969. We have multiple years when the minimum has never dipped below 10C/50F. http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?il1577
A minimum below 40F/4.4C has only happened 5 times since 1928. Three of which were in June 1945
For a more suburban station, Aurora, 25 miles west of MDW averages 5.2 days in June with temps below 50F/10C. And a minimum of 40F/4.4C or below has happened 36 times since 1901 http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?il0338
London has never seen a frost between May and September. April averages one day of frost per year, and October less than one frost every 2 years. The lowest temperature at Heathrow for June is 2.8c. In July it's 6.5c and August 6.7c.
Im not surprised, considering it's the warmest city in England. But the rest of England (and especially the north) in rural areas gets frosts in June regularly.
To quote an actual meteorolist on netweather (although he is a dick head usually as well but he is correct in this case):
"As to why we get frosts in June, not unusual, certainly for ground frost over most parts of the UK. An airmass from a cold source, not much wind at night with clear skies, especially in known frost hollows and frosts will occur. "
London has never seen a frost between May and September. April averages one day of frost per year, and October less than one frost every 2 years. The lowest temperature at Heathrow for June is 2.8c. In July it's 6.5c and August 6.7c.
London has never had a May frost? I find that incredibly hard to believe.
What's the lowest May temperature?
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