The only evidence it’s summer in Britain is the calendar. The U.K. is as chilly as it was in parts of December, pushing the price of the nation’s main fuel for heating to the highest level in six months. Same-day gas on the U.K.’s National Balancing Point market rose for a fifth consecutive day, gaining as much as 4.3 percent to the highest level since Dec. 11, according to broker data compiled by Bloomberg.

Temperatures in the U.K. are forecast at 13.3 Celsius (56 Fahrenheit) for Thursday, colder than what it was six days before Christmas last year, according to The Weather Co. A heavy maintenance schedule at Norwegian gas facilities, the U.K.’s biggest foreign supplier, has also given prices a lift. Flows into the U.K. from Norway fell to 30 million cubic meters a day on Wednesday, their lowest level since August, because of work at the Kollsnes gas processing plant on the Norwegian west coast. READ MORE