Microsoft Word - 2023_05_september_heatwave.docx
’ with the daily minimum temperature exceeding 20°C, for example 20.2°C at Mumbles Head (Swansea) on 7th and 20.3°C at Hastings (East Sussex) on 10th. The chart below shows UK average daily mean temperature for 2023 compared to the daily 1991- 2020 long term average. The natural variability in the UK’s weather