April 2018 United Kingdom heat wave (Wikipedia nearly wiped it).

Stats

• April 2018 United Kingdom heat wave
• Dates 18 April – 22 April
• Areas affected United Kingdom

The event

Highest temperature 29.1 °C (84.4 °F) (19th April) at St James' Park, London The April 2018 United Kingdom Heatwave is a period of unusually hot weather during Spring 2018. The heatwave began on Wednesday 18th April 2018 with the temperature reaching 25.3 °C (77.5 °F) at St James' Park, London. A very unusual temperature for so early in the year. The heat then continued into the 19th, when the highest April temperature for almost 70 years was recorded. 29.1 °C (84.4 °F) was recorded at St James' Park, London. The current highest temperature ever recorded in April was 29.4 °C (84.9 °F), and was recorded back on 16 April 1949 at Camden Square. Temperatures remained high on Friday 20th, with St James Park, London recording a temperature of 26.5 °C (79.7 °F). Also, the heat lasted throughout the weekend of the 21st-22nd. The London Marathon was the warmest on record with the temperature reaching 24.1 °C (75.4 °F) beating the old record from 2007. After this, the weather then cooled off and temperatures returned to normal.  

Also see

1. Environmental disasters
2. 1976 United Kingdom heat wave
3. 2017 Southern Europe heat wave

Sources

1. https://en.wikipedia.org/wiki/User:This_is_Paul/April_2018_United_Kingdom_heat_wave
2. https://twitter.com/metoffice/status/986789838690181120-29 April 2018.
3. https://www.metoffice.gov.uk/public/weather/climate-extremes/#?tab=climateExtremes -29 April 2018.
4. http://www.ogimet.com/cgi-bin/gsynres?lang=en&ind=03770&ano=2018&mes=5&day=5&hora=12&min=0&ndays=30- 5 May 2018.
5. https://en.wikipedia.org/wiki/User:This_is_Paul/April_2018_United_Kingdom_heat_wave
6. https://www.standard.co.uk/news/uk/uk-weather-forecast-britain-on-court-for-hottest-april-day-in-70-years-as-temperatures-soar-a3818396.html
7. https://twitter.com/metoffice/status/986789838690181120
8. https://www.metoffice.gov.uk/public/weather/climate-extremes/#?tab=climateExtremes
9. http://www.ogimet.com/cgi-bin/gsynres?lang=en&ind=03770&ano=2018&mes=5&day=5&hora=12&min=0&ndays=30
10. https://www.bbc.co.uk/news/uk-england-london-43850037