This summer was Jersey's fourth warmest on record.
Jersey Met says, after a warmest ever June, July and August were a degree above average.
The average temperature for summer 2025 is 19.2 Celsius, compared to the thirty year average of 17.7 Celsius.
It was drier and sunnier too.
Summer 2025 in Jersey - 4th warmest summer since records began in 1894. pic.twitter.com/3NRxpFLdGc
— Jersey Met (@Jersey_Met) September 3, 2025
We only had half the expected amount of rain in August.
More than 80% of the rain we did get fell in the final five days of the month. 27 August was the wettest day.
August 2025 in Jersey - Warmer, sunnier and much drier than average. pic.twitter.com/eO2pi2t0rC
— Jersey Met (@Jersey_Met) September 3, 2025
Sea water this summer was the second warmest since records began 65 years ago.

Jersey and Guernsey women's teams to make FA Cup debuts
Fete de St Helier returns
States set to debate dogs on beach restriction times
Over 300 Jersey students have received Meningitis B vaccine
Government begins recouping over £278m in 2019 tax
Could al-fresco dining and more festivals make St Helier vibrant again?
More cyclists travelling 'at dangerous speeds' in pedestrian areas
Call for more eastern play facilities as Sandy Park reopens