uk_monthly_climate_summary_201807.pdf
sunny but cloud increased from the south bringing showery rain with isolated thunderstorms, and Porthmadog reached 31.0 °C. The night of the 1st/2nd was warm with Cardiff Bute Park (South Glamorgan) not falling below 19.1 °C, then the 2nd and 3rd were dry, sunny and very warm or hot, though cooler