Record breaking summer?
August was a fairly average month but it marked the end of what was a remarkable summer for many.
It is clear that 2018 has been one of the hottest summers on record for the UK, however, the margin between the mean temperatures at the top of the league tables (records dating back to 1910) is so small that at this point it is impossible to say if 2018 will be an outright winner. It is very close to the record-breaking summers of 2006 (15.78C), 2003 (15.77C), and 1976 (15.77C) all of which are within 0.01C of each other.
The margin is so small that different datasets and different regions of the UK will have different ranking. Usually we will only quote statistics to the nearest 0.1C as differences smaller than this could result from small numerical differences arising from the statistical calculations. A more comprehensive analysis of the 2018 summer data will be undertaken early next week and data for summer 2018 will continue to be analysed over the coming months.
|Area||Actual °C||Anom||Actual mm||Anom %||Actual hours||Anom %|
However, it looks more likely that it could be the warmest summer on record for England with the mean temperature standing at 17.2 C, which would narrowly beat the record set in 1976 (17.0C). It is not going to be a record for Scotland, Northern Ireland or Wales where the records stand at 14.1C (2003), 15.5C (1995) and 16.1C (1995), respectively.
To get an even longer-term perspective our multi-century Central England Temperature* (CET) series dates back to 1659. In this dataset summer 2018 looks likely to slip behind the summers of 1976 and 1826. If we look back through the CET series only 10 summers recorded an average temperature above 17C. Six of those have occurred since 1976, and only two (1826, 1846) were pre 20th Century, which is consistent with the general picture of our warming climate globally and here in the UK.
Summer 2018 was notably dry and sunny too. For the UK it is likely to finish in the top 15 driest summers, and top 5 driest for England. It is also in the top 5 sunniest for the UK.
After a hot June and July, August turned out to be closer to average with the mean temperature less than half a degree above average and rainfall 8% below average for the UK as a whole. Rainfall varied across the country with areas such as Banffshire, Denbighshire and Anglesey getting around half of the expected August rainfall while areas such as Berwickshire and Sussex getting around 30% above average.
|Area||Actual °C||Anom||Actual mm||Anom%||Actual hours||Anom%|
Looking ahead into the start of autumn high pressure is likely to, once again, often be dominating the UK weather with plenty of warm, dry and sunny days for many through the first part of September. More unsettled spells of weather are expected at times, particularly from mid-month.
You can find the current forecast for your area using our forecast pages, by following us on Twitter and Facebook, or using our mobile app which is available for iPhone from the App store and for Android from the Google Play store.
*Central England Temperature covers a roughly triangular area of the UK, enclosed by Bristol, Lancashire and London. The monthly series begins in 1659, and is the longest available instrumental record of temperature in the world.
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