Osaka Weather in March

Season: Spring
In short:
1. The weather of Osaka gets warm gradually in March, as spring begins.
2. Rainy days of the city amount to about 6 averagely this month, which are not many.
3. Late March marks the beginning of Osaka’s peak Sakura season, when the city is full of visitors.

Admire Sakura in Osaka's Spring

A Little Cool to Agreeably Warm

Dotonbori

In general, the weather of Osaka in March changes from slightly cool in the first half of the month to comfortably warm in the second half, with the temperature gradually rising.

In the first half of March, the daily high typically ranges from about 8 to 15 degrees Celsius (46 to 59 degrees Fahrenheit), in which people may feel a little cool during outdoor sightseeing around noon. When it’s dark, the weather is cold in the lowest temperature from around 3 to 11°C (37 to 52°F), so people need to wear thick enough or visit warmer indoor places after dawn.

In the second half of the month, the climate of Osaka is warm with the daily high mostly from 15 to 22°C (59 to 72°F), and such a favorable condition makes it suitable to enjoy sightseeing in this modern city. On some evenings, the lowest temperature can even reach 15°C (59°F), so you will just feel a little cool instead of cold even after sunset.

General temperature conditions of Osaka are not very steady in March. Sometimes, it may be warm for a few days and then get cold again. Furthermore, the daily temperature variation is large throughout the month, for about 8 to 10°C (14 to 18°F), making it vital to add warm accessories in time and prevent having a cold.

Slightly Rainy

With the precipitation of about 101 mm in March, Osaka experiences around 6 rainy days in the entire month averagely. In most cases, rain happens in low intensity. The precipitation won’t last for all day long generally, and slight and moderate rain may alternate sometimes.

It’s noteworthy that the average humidity of the city is a little high at 64%. In such a condition, once rain happens, the large amount of moisture in the air will make the apparent temperature lower, and you may feel a bit cold, especially in the cooler first half of March.

Length of Day & UV Index

In March, daytime of Osaka sees an increase from around 11.5 to 12.5 hours, during which the duration of sunshine lasts for about 5 hours long averagely. Given these, visitors need to seize the precious warm sunshine hours and fully enjoy the exploration here. One worthwhile factor is the maximum UV index of about 6, for which you’re advised to take necessary sun-protective measures around sunny midday.

Packing List for Visiting Osaka in March

In the first half of March: For tops, wear thermal underwear, a sweater, and an overcoat. For bottoms, opt for long johns and thick jeans. For shoes, boots and sneakers are both selectable.

In the second half of March: Thinner and more comfortable clothes are needed. For example, you can pack a knitted sweater, a hoodie, long johns, and jeans / sweatpants into your luggage. During cooler hours of the day, you can put on a trench coat over the hoodie. To keep your feet both comfortable and warm during sightseeing for probably all day long, better to wear sneakers / casual shoes.

Notes: In view that the daily temperature difference is large in this month, those who cannot bear the cold at night or on windy days are better to additionally bring a down vest and warm accessories such as a woolen beanie and a scarf. Plus, in consideration of the possibility of rain, remember to bring an umbrella.

March - Best Time to View Plum/Cherry Blossoms in Osaka

Osaka boasts various and attractive floral scenery throughout the entire month of March, 2026. No matter rose red and white plum blossoms, or soft pink Sakura, the flower views are unmissable in this month. To achieve a delightful flower-viewing trip, you can:

1. View Plum Blossoms in Osaka Castle in the First Half of March

The plum blossom view in the castle is famous for its large scale and rich varieties, and you must seize sunny days in this last period to view the perfect combination of the Osaka Castle Museum and the brilliantly-colored plum blossoms under brilliant sunshine.

Sakura in Osaka Castle Park

2. Admire the Earliest Sakura Scenery of Osaka in Mid-March

From mid-March on, cherry blossoms in the Sayamaike Park gradually bloom, marking the beginning of the cherry blossom season of Osaka. The cherry blossom trees are neatly planted by the pool in the park, so that visitors can stroll beneath a cherry blossom tunnel.

3. Admire Full-blooming Sakura in Late March

The peak cherry blossom season of Osaka begins in the last few days of March, and lasts until early April. In this period, must-see Sakura views include: (1) cherry blossoms by the moat in the Osaka Castle Park; (2) a cherry blossom tunnel composed of trees of more than 100 varieties in Japan Mint; (3) weeping cherry blossoms around the five-storied pagoda in the Shitennoji Temple; and (4) pink cherry blossoms, cute Daruma dolls, vermilion-red buildings, and a beautiful lake in the Katsuo-ji Temple.

Impressive Sakura in Osaka in March

Kimono Girls in Warm March

See more: Best Places to See Sakura in Osaka & Japan Cherry Blossom Dates Forecast in 2026

Travel Tips in Osaka in March

Dotonbori Cruise Tour

1. In light of better temperature conditions and also peak cherry blossom views in the latter half of March, there will be more tourists here in this period. So, people who plan to admire Sakura in Osaka are highly suggested to book airflight tickets and hotel rooms at least two months in advance.

2. In the first half of March, since the weather is still slightly cold, a more appropriate itinerary could be: visit indoor attractions such as the Umeda Sky Building and the Osaka Aquarium Kaiyukan at cooler dawn and dusk, and enjoy outdoor sightseeing around warmer noon in the Osaka Castle, the Sumiyoshi Taisha Shrine, and the Dotonbori. At night in lower temperature, you can enjoy shopping in Shinsaibashi and taste Japanese food in Kuromon Market, which are both warm and indoor places.

3. As the weather gets comfortably warm in mid-to-late March, you can enjoy sightseeing outdoors in the entire daytime, and visit indoor attractions after sunset. As for the Port of Osaka, it’s more suitable to choose a breezy and sunny day with good visibility and fully enjoy the scenery on the Santa Maria Cruise and from the Tempozan Giant Ferris Wheel.