SUMMARY – TEMPERATURE: For June, and for June-July-August as a whole, above-average temperatures are more likely than below-average temperatures. Overall, the probability that the UK-average temperature for June-July-August will fall into the coldest of our five categories is around 5% and the probability that it will fall into the warmest of our five categories is 40% (the 1981-2010 probability for each of these categories is 20%).