Warmest year in Jersey since records began
Jersey was the warmest last year since records began in 1894.
Provisional figures from the Maison St Louis Observatory show the new record.
Jersey Met Forecasters said apart from a poor summer, it had been generally warmer through the year with eight months of above average temperatures.
The mean temperature last year was 13 degrees Celsius (55.4F), beating 1989 when the annual mean temperature was 12.9 degrees Celsius (55.2F).
April, October and November had record breaking temperatures in 2011.
December was the ninth warmest on record, with an average temperature of 9 degree Celsius (48.2F).
The period average for December was 7.5 degrees Celsius (45.5F), and markedly higher than December 2010 when the mean temperature was 4.2 degrees Celsius (39.5F).