Blog by Jo Farrow
Issued: 2nd July 2020 08:48

June 2020 - Heavy rain and thunderstorms, a heatwave and a Tropical Night

June 2020 saw some heavy rainfall. There were dramatic thunderstorms, a brief heatwave and some warm nights. June is the first month of meteorological summer and it follows the sunniest UK spring on record and the driest May for England.

Uk June 2020 rainfall

The rain made quite a difference seeming to coincide with the easing of lockdown for parts of the UK. June rainfall was above average across the UK although well above for SW and NW England, drier for parts of East Anglia and SE England including the Isle of Wight.

Cornwall had twice the county’s average June rainfall. South Glamorgan had its 7th wettest June on record, and Devon it's 8th wettest.
Honister Pass in Cumbria recorded 212.8mm of rain in 24 hours on the 28th which broke the wettest June day record, also the wettest UK day so far for 2020.

As low pressures dominated the weather there were heavy showers, ongoing rain and thunderstorms. As hot air moved over the UK pushing temperatures well into the 20sC and low 30sC the thunderstorm risk increased with Friday 26th June seeing a severe thunderstorm risk for England. The latter part of June had brought dramatic thunderstorms, lightning shows, large hail and funnel clouds with storm chasers stuck in the UK, cheered by some home-grown action.

June UK 2020 temperatures

June temperatures were above average for many parts of the UK. In the very warm spell, Heathrow saw 33.4C on the 25th (92F). Scotland saw 30.8C at Prestwick, Wales saw 31.4C at Trawsgoed. Some places in southern England recorded a “tropical night” where temperatures don’t dip below 20C, on the 25th

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“The Met Office began tracking ‘tropical nights‘ in 2018. This criterion is infrequently met and usually quite localised.”

Western Scotland was particularly warm in June and Cornwall, Co. Fermanagh and a few spots along North Sea coasts were around average with their June temperatures. SE Britain saw more sunshine than usual but not the great amounts of spring 2020 when compared to average. So, an interesting month but not a record-breaking one. 

Tags: Severe Weather  UK Weather

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