Nagasaki Weather in March

Season: Spring

In short:
1. In general, the weather of Nagasaki is chilly in early March but turns relatively warm by late March.
2. Moderate and light rainfalls often occur in Nagasaki in March, accompanied by temperature dropping to some extent.
3. You are advised to bring some medicine in case you catch a cold due to changeable temperatures.

Cherry Flowers of Nagasaki in Late March

Temperature

As spring slowly awakens in March, the temperature of Nagasaki in this month generally shows an upward trend. In early March, there is still a chill in the air in the morning and evening when the temperature can drop to 1-4℃ (33.8-39.2℉). By the end of the month, the daytime temperature is usually between 17-19.3℃ (62.6-66.74℉). But temperature in the middle and later March presents an unstable status. In cloudy and rainy days during this time, the temperature may drop again to be similar to that of early March.

Broadly speaking, the average high temperature in March is 16℃ (60.8℉), and the average low temperature is 7℃ (44.6℉).

Rainfall & Humidity

Nagasaki is a coastal city after all, so it is not surprising that rainy weather is common in March. The average number of rainy days in March is 19. However, you don’t need to worry about the rainfall in March being intense or lasting too long. Anyway, the monthly average precipitation is not large, 150 mm.

The Nagasaki weather in March is humid, with an average humidity of 66%.

Silent Nagasaki Sinchi Chinatown

Daylight Hours & Sunshine Hours

The daytime of March is gradually getting longer, which means you can spend more time admiring the outdoor landscapes in places such as the Central Park and the Meganebashi Bridge without feeling too cold. The average daylight per day in Nagasaki in March is 12 hours from the sunrise time at around 6:31 to sunset time at around 18:27. Accordingly, you can enjoy a longer time of sunshine for 5 hours on average each day. But in the meantime, the UV index also increases, averaging around 7. Therefore, you’d better apply sunscreen before going out.

Do Cherry Blossoms Start to Bloom in Nagasaki in March?

Enjoying the Cherry Blossoms

Cherry flowers in many places in Nagasaki like the Tateyama Park and the Glover Garden usually start to blossom in late March every year, and they are likely to be in full bloom by the early April. After that, they usually start to wither within 5 to 7 days, which is around mid-April. However, there may be slight variations depending on the weather conditions. If there are strong winds or continuous rainfalls in early April, the cherry blossoms will wither two or three days earlier.

What to Pack for Nagasaki Trip in March?

Clothes

If you decide to visit Nagasaki in the first half of March in 2026, you need to wear a thin sweater or thin hoodie as the inner layer, plus a 3-in-1 jacket or a light down coat as the outer layer. In the second half of March, a thin knitted sweater plus a trench coat is enough for sunny days. Considering that a change to cloudy or rainy weather will cause the temperature to drop, it’s safer for you to bring a thick hoodie. In this way, you can replace the sweater inside with it.

You are advised to pack long johns when you visit Nagasaki in March, just in case you need it. As for the outer layer, you can add a pair of sweatpants for the early March and thin jeans for the middle and later periods. Female tourists who don’t want to wear pants can wear woolen long dress instead, but just make sure your thermal leggings are both warm and comfortable enough.

Shoes
It is comfortable for you to wear a pair of sneakers with thick linings in early March. If you plan to visit Nagasaki in the second half of March, wearing ordinary casual shoes is a suitable choice. Leather boots are also OK but not optimal for you to walk long distances.

Others

Wear a mask in late March if you have a sensitive nose because breeze of March can disperse the pollen into the air.

What to Do for Nagasaki Trip in March

In fine weather in March when the temperature rises, you can visit anywhere in Nagasaki based on your schedule. In the morning, you can learn stories of the city in the Nagasaki Atomic Bomb Museum, the Peace Park or the Nagasaki Museum of History & Culture. At noon, you can enjoy meals and take a rest in the restaurant in the Shinchi Chinatown. After that, walking along the Nagasaki Seaside Park or rambling in the Glover Garden, you can smell the scent of green grass and trees and take a broad view of the Nagasaki Port with gentle breeze. You can also appreciate retro-style architectures in the Dejimamachi. Here you will find stores in which different styles of kimono are exhibited and ready to be rented. In nice weather in March, it’s suitable for you to wear a kimono walking on the street.

Eating Food in Nagasaki Restaurant

Travel Tips for Nagasaki Trip in March

If you want to rent a kimono, you’d better make a reservation first for some stores operate on an appointment basis and you don’t have to spend much time queuing as well. You also need to pay attention to keep the rented kimono clean especially when you are eating, otherwise you may have to pay for that. Tourists who are not used to wear wooden clogs are recommended to bring your own slippers.

Considering the unstable temperatures, you’d better prepare some medicine in case you catch a cold or suffer from a sore throat.

Layered dressing method is good for you as you can either add or remove your clothes based on the temperature change in a day.