October 2021 was milder than average but had around twice the quantity of rainfall despite the number of dry and wet days being close to average.

October started unsettled with low pressure across Scotland and associated weather fronts sweeping across the UK. Following another low pressure centre, which moved across Wales on the 5th, there was a change to drier weather as high pressure built across the country. The mainly dry weather lasted until the 17th when Atlantic low pressure again started to bring weather fronts in from the west. The 19th and 20th were particularly wet and this was partially due to storm "Aurore". The storm, named by Meteo France, moved quickly east and brought gales to some coastal areas of Southern England and Northern France. After two more short dry intervals the month ended as it started, wet and windy.

In terms of statistics (30 year average based on 1981 to 2010):

The average temperature for the month was between 13 and 14 Celsius, about a degree above the long term average. The warmest day, with a temperature of around 21 Celsius, occurred on the 10th. The coldest morning was on the 14th in the Dawlish area but on the 22nd in the Teignmouth area. Netherton got as low as 1 Celsius on the 22nd and it is likely that some of the valleys bordering the Teign had a touch of ground frost.

Sunshine at around 100 hours was a little below average.