November certainly has been a big change month. After 6 months of above average temperatures November turned out significantly colder by -1.0c below average.
Scotland was even colder than average with it running at -1.6c. It was also the sunniest November since records began.
Over the UK the month was dominated by high pressure to the west of the UK which which dragged down northerly winds. The lowest temperature of -12.1c was recorded in Braemar in Scotland.
In Watford there were 3 air frosts with the lowest temperature of the month at -4.0c on the 21st. It has also been wet with 68.3mm of rain which fell on a few days.
The outlook for December is looking mild after the initial cold week. More Atlantic dominated winds from the SW will be pushing the temperatures up. It might cool down after mid month with a brief cold spell which might result in snow falling.
The autumn overall has been fairly average with November cancelling out the warmth in September.
Summary for Watford in November 2016
Temperature (°C):
Mean (1 minute) 7.1
Mean (min+max) 7.1
Mean Minimum 3.5
Mean Maximum 10.8
Minimum -4.0 day 21
Maximum 15.6 day 16
Highest Minimum 12.4 day 16
Lowest Maximum 5.0 day 20
Air frosts 3
Rainfall (mm):
Total for month 68.3
Wettest day 20.3 day 19
High rain rate 406.8 day 20
Rain days 12
Dry days 17
Wind (m/s):
Highest Gust 3.7 day 07
Average Speed 0.1
Wind Run 329.8 km
Gale days 0
Pressure (mb):
Maximum 1018.7 day 21
Minimum 983.3 day 30
Days with snow falling 0
Days with snow lying at 0900 0
Links
https://www.metoffice.gov.uk/hadobs/hadcet/cet_info_mean.html
https://www.theweatheroutlook.com/twocommunity/
httpss://blog.metoffice.gov.uk/