The 1815 eruption of Indonesia's Tambora – one of the most violent ever recorded on Earth – led to a disastrously cold summer across much of the globe in 1816.

1815年印度尼西亚坦博拉火山爆发是有记录以来地球上最猛烈的火山爆发之一，也导致了1816年席卷大半个地球的灾难性的冷夏。

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A cold summer in Canada and the United States in 2009 meant that the following winter saw fewer monarchs in Mexico than at any time since records began in 1994.

在2009年，因为加拿大和美国那个寒冷的夏天，冬天来到墨西哥的帝王蝴蝶创下了自1994年有记录以来最低水平。

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It is never very hot in summer or very cold in winter.

夏天向来不太热，冬天也不太冷。

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Cold weather moves south and combines with the last of the warm air from summer.

VOA: special.2009.06.09

If the winter is not cold enough to freeze the ground, you can grow and harvest carrots the same way as during the summer months.

VOA: special.2009.02.24

God knows, it's been a cold summer.

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Our only possession was a tent, which was hot in summer and cold in winter.

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"The winds are stronger than I expected and it is abnormally cold for an Arctic 'summer, '" Boucher wrote.

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