Guernsey has had its warmest spring since records began.
The average temperature between March and May 2026 was 12.3°C, beating the previous record high of 11.4°C in 1893.
There were 682 hours of sunshine and 60.4mm of rainfall over the three months - making it the tenth sunniest and fifth driest ever.
The highest temperature was 31.5°C on Tuesday 26 May, with the lowest 4.5°C on 13 March.
The wettest day was on 2 May, when 11.5mm of rain fell.
Spring 2026 in Guernsey - Warmest Spring on record, 0.9°C above the previous record. 5th driest and 10th sunniest on record. pic.twitter.com/UdULJUbFkY
— Guernsey Met (@GuernseyMet) June 2, 2026
It has also been the warmest May ever recorded, with an average temperature of 15.0°C beating the previous record high of 14.3°C in 1848.
There were four consecutive days of temperatures exceeding 30°C towards the end of the month, the earliest heatwave ever recorded in any year.
The earliest tropical night in the year was also recorded in May, with lows of 20.9°C recorded on the 26th and 27th.
The lowest temperature recorded in the month was 5.7°C on 7 May.
May 2026 in Guernsey - Warmest May since records began, 0.7°C above the previous record. Unprecedented heat with multiple records broken. Drier and sunnier than average. pic.twitter.com/3UB8q3yaVa
— Guernsey Met (@GuernseyMet) June 2, 2026
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