The provisional UK mean temperature was 11.9 °C, which is 0.8 °C below the 1981-2010 long-term average. It was coldest relative to average across East Anglia and south-east England, but parts of north and north-west Scotland were slightly warmer than average.hese web pages are a source of information for those interested in the climate of the UK. The pages are updated each month to reflect the latest month's weather across the UK. A timetable for publication of the climate summaries is available below. Timing of summaries and statistics.