Guernsey’s record temperature for the month of May has been topped once again, and it might still climb even higher.
The maximum temperature on Sunday was 26.8c – beating the record set in 2003 when the temperature on 30 May was 25.9c.
Both the old and the new record were obliterated just hours later on Bank Holiday Monday though.
The new ‘hottest day in May’ saw a maximum temperature of 30.8c recorded.
That record was then broken for a third day running on Tuesday when the Met Office recorded a high of 31.5°c.
A spokesperson said there could be another record set today too.
“We hit a maximum of 31.5°c yesterday here at the airport, surpassing the 30.8°c we reached the day before.
“31°c is now forecast for today, so it is possible we could break the May temperature record again for a fourth day in a row, but only time will tell.”
Despite the climbing heat, and the need to keep cool and hydrated, people haven’t significantly increased their water usage according to Guernsey Water.
Saturday saw 14 million litres used, while throughout Sunday 14.2m litres were used.
15.2m litres were used on Bank Holiday Monday, which was the highest daily demand since July 2025.
Guernsey Water said the total weekend usage was 3m litres above the daily summer average of 13.5m litres, but remained below last year’s peak of 15.4m litres.
“This is exactly the kind of weather where we would expect to see significant spikes in demand, so to only exceed 15 million litres once over the course of the weekend is really encouraging,” said Guernsey Water Operations Manager Jon Holt.
“It shows people are thinking about their water use and making small changes that collectively make a big difference.
“Every drop counts and the actions people have taken over the past few days really show how much of an impact those small decisions can have.”