St Swithin's Day: How a Saxon bishop's ire supposedly led to 40 days of rain – and what it could tell us about this year's summer

A woman under an umbrella checks for rain
A spectator checks for rain at Wimbledon in 2017 Credit:  PA

The idea of relentless rain for more than a month is an exhausting one – and even more disheartening over summer.

But according to folklore there's a chance we may have to withstand constant poor weather for a month and a half, dampening our hopes of a hot British summer both metaphorically and literally.

According to tradition, whatever the weather is like St Swithin's Day – whether rainy or sunny – it will continue for the next 40 days and 40 nights.

But where does the legend come from and (most importantly) is there any truth to it?

When is St Swithin's Day?

St Swithin's Day falls on July 15 every year. 

Last year the day was predicted to be a cloudy, breezy day across the bulk of the UK,...

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