Saint Martin's summer

American  

noun

1. mild, warm weather similar to Indian summer, occurring in November.

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Saint Martin's summer British  

noun

1. a period of unusually warm weather in the late autumn, esp early November

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Etymology

Origin of Saint Martin's summer

First recorded in 1585–95; from the occurence of such weather around the feast of St. Martin, celebrated on November 11

Example Sentences

They were then in Saint Martin's summer, the time of sowing, and the labourer divided the broken-up earth into three parts.

From The Cabin [La barraca] by Blasco Ib??ez, Vicente

And if he did not look to the future that sweet December night of Saint Martin's summer by the placid Tennessee River, perhaps it was as well,—oh, poor Captain Demer�!

From The Story of Old Fort Loudon by Murfree, Mary Noailles

The Saint Martin’s summer lasted to the beginning of December, and then it came to an end, and with it the idyll of Aristide and Anne Honeywood.

From The Joyous Adventures of Aristide Pujol by Ball, Alec

The phase of autumn so pleasantly named "Saint Martin's summer" was just beginning.

From Pierre Grassou by Wormeley, Katharine Prescott

This night the siege assuredly I 'll raise: Expect Saint Martin's summer, halcyon days, Since I have entered into these wars.

From King Henry VI, Part 1 by Shakespeare, William