December is one of the coldest times of the year to visit
London,
UK, when the temperatures are low and the chance of rainfall is high. At this time of year, the
average temperature for the month is 6°C which changes as the month progresses.
Daily highs start off at around 9°C on December 1st, falling to 8°C by December 11th and decreasing a third time to 7°C by December 25th. The daily high temperature very rarely exceeds 13°C or falls below 3°C, doing so only one day out of every ten. The daily low temperatures follow a similar pattern, starting off at 5°C on December 1st, before dropping down to 4°C on December 11th and falling once again down to 3°C by December 25th. The daily low temperatures very rarely fall below -1°C or exceed 9°C, doing so only one day in every ten.
The highest temperature which has ever been recorded in recent times in London in December is 16°C, with the lowest ever recorded temperature for this month being -4°C. Take a look at these temperatures alongside the average for the month – 6°C – and it’s clear that they’re the extremes and aren’t what you should expect during your
holiday.
The longest warm spell of 2012/2013 took place between December 20th 2012 and January 10th 2013 – that’s 22 consecutive days with warmer than average temperatures. With 87%, December 2012 had the largest fraction of days that year which were warmer than average.
