St. Swithin's Day

American  

[swith-uhnz] / ˈswɪð ənz /

noun

1. July 15, superstitiously regarded as a day that, should it rain or be fair, will be followed by 40 consecutive days of like weather.

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Example Sentences

The warning was issued on St Swithin's Day, which, as the saying goes, could mean it will rain for another 40 days.

From BBC

St Swithin's Day falls on the 15 July every year and - as the legend goes - if it rains, it will rain for another 40 days.

From BBC

St Swithin's Day has also been given a cultural boost after the Netflix hit series One Day.

From BBC

The Met Office, which look after weather statistics for the UK, has said that since the start of records in 1861, there has never been a record of 40 dry or 40 wet days in a row following St Swithin's Day.

From BBC

The closest we have got in the modern record was in Cassley, Highland, which once experienced rain on St Swithin's Day and on the following 34 days.

From BBC