October stretches Uccle's run of warmer-than-usual months to twenty-one, with plenty of sun and a wet final ten days
According to the RMI, the average temperature was a full degree above normal, the sun shone more than a third longer than usual and a quarter more rain fell.
October in Uccle was slightly warmer, wetter and sunnier than normal, according to the monthly overview of the Royal Meteorological Institute (KMI). The average temperature was 12.3 degrees, against a normal value of 11.3 degrees. According to the KMI it is the 21st consecutive month with an average above the norm, the longest run within the current 1991-2020 reference period. Gazet van Antwerpen reported the news on Sunday. The afternoons in particular were mild: the average maximum temperature was 1.7 degrees above normal, and on eight days it reached at least 20 degrees, against an average of 2.8. That is the fifth-highest count since 1892. The warmest day was 7 October at 23.4 degrees, and the lowest value came on 31 October at 5 degrees.
The sun shone for 149 hours, about 32 percent more than normal and the third-highest value within the current reference period. At the same time 84.4 millimetres of rain fell, a quarter more than usual. Most of it came in the last ten days of the month: 55.6 millimetres, the third-highest amount for that period since 1991. With 15, the number of rainy days was in fact just below average.
October was also mild, sunny and wet in the Netherlands. The KNMI recorded an average of 12.1 degrees in De Bilt, against a normal 10.9, and an average of 106 millimetres of rain across the country. There, storms Austen and Boelo brought strong winds and heavy rain between 23 and 25 October.