Updated: November 07, 2018
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Weather In Japan In May - Essential Information

May is a beautiful month in Japan! The temperatures are really warming up and you're not as likely to suffer from the rainfalls of June's rainy season.

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Weather In Japan In May

Understandably, many people plan their trip to Japan for late March or early April to see the wonderful cherry blossoms. But it wouldn't be wise to plan your trip a bit later, in May, for the simple reason that the weather is just perfect during that time of year!

Indeed, May is comfortably warm in most regions of the country and it's before the rainy season of June so it's neither too humid or rainy. Of course, Japan being a long country stretching thousands of kilometres from north to south, there are plenty of regional variations in the weather in May.

The northern island of Hokkaido is much colder so there you might still catch a glimpse of the cherry blossoms if you get there in early May. If you go to Sapporo for instance, the average high during the day will be about 17 C, and it can get pretty chilly in the evening.

For most of Honshu, Kyushu and Shikoku, however, the temperatures are pretty warm, ranging from about 20 C to 25 C. Tokyo has an average May temperature of around 24 C.

If you plan to head to the mountains, however, it will obviously be quite cooler than that. As a rule of thumb, the temperature decreases by 7 C every 1000 meters, don't expect to climb Mount Fuji just yet, its peak at 3,776 meters will still be inaccessible because of the snow cover. The climbing season is in August in case you're interested.

The southern prefecture of Okinawa, located near Taiwan, has an advance rainy season compared to the rest of the country that starts in May. The best weather day tends to be in late June and July.

As a reference, here is the average high temperature in April for some major cities in Japan from north to south.

Sapporo, Hokkaido: 17.3 C (63.1 F)
Sendai, northern Honshu: 19.4 C (66.9 F)
Tokyo, central Honshu: 22.9 C (73.2 F)
Osaka, southern Honshu: 24.5 C (76.1 F)
Fukuoka, Kyushu: 23.7 C (74.7 F)
Naha, Okinawa: 26.7 C (80.1 F)

Source: Japan Meteorological Agency


Although the cherry blossoms will be long gone, some other amazing blooming occurs in May, most notably the blooming of the wisteria trees! A famous spot for that is in the Ashikaga Flower Park pictured above.

For other ideas of things to do in May, check out the link below.
Japanese food culture enthusiast. Love to explore new areas and discover local specialties.

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