JDF JapanDefenseFocus No.76


Tsuyu - The Rainy Season

Tsuyu - The Rainy Season

In Japan, there are a lot of cloudy and rainy days from May to July. This time period is called tsuyu, or the rainy season. This is a seasonal phenomenon in which the season transitions from spring to summer, resulting in the most rain and least sunlight of the year.

During the rainy season most days are cloudy or rainy, affecting people’s daily life in various ways. At the same time, though, this season is essential as it brings critical water needed for agriculture during the middle of summer that follows soon after.

The MOD and SDF have established standards for the naming of vessels used by the MSDF. When naming a destroyer, it is stipulated to use weather phenomena, mountains, rivers or the names of regions. For example, some DD “MURASAME” class destroyers were named after rain as above.

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