Osaka Weather in April

Season: Spring
In short:
1. Osaka weather in April is warm generally, perfect for city sightseeing.
2. There are averagely 8 rainy days in the city this month, during which rain is mostly not heavy.
3. Early April is the peak cherry blossom season of Osaka, during which tourists flock to the city to view these flowers.

Admire Cherry Blossoms in Osaka in April

Comfortably Warm Temperature for Outings

Shinsaibashi

The weather of Osaka is typically warm, and the daily high temperature sees a gradual increase from around 15 to 24 degrees Celsius (59 to 75 degrees Fahrenheit). Neither hot nor cold, but comfortable weather in the daytime is just perfect to visit bustling streets, admire natural scenery like blooming Sakura, and visit the port area of the city.

After sunset, the temperature mostly ranges from 10 to 16°C (50 to 61°F), and people can enjoy night tours comfortably if they add one more piece of clothes or visit those indoor popular spots such as Shinsaibashi.

Two more things are noteworthy about the temperature of Osaka in April: (1) In the firstly few days of this month, daily temperature variation is still large for 8 to 11°C (14 to 20°F), making it essential to prevent a cold; (2) The weather is variable in this month, and both temperature increases and drops may happen. In light of this, slightly cool and a little hot weather conditions also exist, so be ready for this and bring more clothes.

Moderate Rainfall

Surf in Osaka Maishima Seaside Park

The rainfall of Osaka in April amounts to around 132 mm, which is relatively moderate. Rainy days are around 8 averagely this month. The overall precipitation situation of Osaka in this month is quite complicated, and the city may receive rainfall in different intensities. The duration of rain is usually not quite long, and you can still seize sunny and cloudy periods in a day for outdoor sightseeing. There are also times when it’s sunny or cloudy this second, and rainy the next. In view of this, you can consider carrying rain gear in case of sudden precipitation during your tour.

Longer Daytime & Relatively High UV Index

In addition to agreeable weather conditions, long daytime and sunshine hours of Osaka in April are also favorable for you to make a tour. In this month, the daytime of Osaka expands from about 12.5 to 13.5 hours, and the city is shone by sunshine for about 6 hours averagely each day. With such long daytime, you can visit many attractions in a day. As for the UV index of the city, it can reach 8 the maximum, which means you’d better take measures to prevent sunburn around sunny midday.

Packing List for Travelling to Osaka in April

Clothes: Suitable clothes for a city walk: a sweatshirt and a leather jacket as tops, and sweatpants as bottoms. A photogenic outfit includes a knitted sweater and a long trench coat as tops, and jeans as bottoms.

Shoes: You may have a busy sightseeing schedule in a day, so better to wear comfortable shoes such as sneakers or flats that are not brand-new, or your feet may be chafed.

Requisites:
(1) Sun-protective items such as high-SPF sunblock, a sun hat, and sunglasses.
(2) Rain gear like an umbrella. Alternatively, bring an all-weather one to deal with both precipitation and strong sunlight radiation on occasion.

Enjoy Enchanting Cherry Blossoms in Osaka in April

April is a good time to see cherry blossoms in Osaka, with the first ten days of the month serving as the peak Sakura season. The most attractive cherry blossom views in Osaka are in:

1. Osaka Castle Park

In warm and breezy April, the pale pink and beautiful cherry blossoms in Nishinomaru Garden in Osaka Castle Park are unmissable. The gentle sunlight in the early morning and late afternoon makes the flowers in front of the Castle Keep more delicate. You can further view the Sakura by the sightseeing boat on the moat, or with illumination after dusk.

Sakura View in Osaka Castle

2. Sakura Tunnel in Japan Mint

This tunnel boasts more than 100 varieties of cherry blossoms, including rare species in green. During the peak flower season, this place is only open to the public for a week, so just don’t mind what the weather conditions are and stroll under this impressive tunnel: Clear weather makes the flowers more stunning, while rainy weather provides you with a tranquil atmosphere.

3. Avenue Lined with Sakura Trees in Expo'70 Commemorative Park

This avenue is a hot spot for both domestic and foreign visitors in spring, with two lines of trees blooming with white Sakura. In the light spring breeze, white petals flow in the air and compose an attractive view. By the avenue, vast lawns provide good places to enjoy a picnic. Since the weather is just right, it would be comfortable to enjoy a leisurely time here.

4. Katsuo-ji Temple

Due to the higher altitude, this temple still has fabulous Sakura scenery as late as around April 20. Enter the temple, and you will find a harmonious view composed of light-pink weeping cherry blossoms by the pool, crimson-red bridges and buildings, and quite a lot of Daruma dolls around. The green mountain and clear-blue sky compose a wonderful backdrop for these factors.

Osaka Cherry Blossom Tunnel

Take Photos with Poolside Sakura

Other Travel Recommendations and Tips in Osaka in April

1. April is one of the best months to visit Osaka because of not only its stunning cherry blossoms, but also its agreeable weather conditions, which you’re suggested to make good use of and gain rich travel experiences. For example, in the downtown area, you can have a city walk in Shinsekai & Tsutenkaku, and Dotonbori, to fully travel around the city and taste delicious Japanese food. After sunset, the streetscape in these places, which is bathed in neon lights, is even more attractive. In the Port of Osaka, a Santa Maria Cruise is worth a try and don’t forget to take the Tempozan Giant Ferris Wheel to enjoy the scenery on both sides under the clear sky.

Night Scene in Dotonbori in April

2. In light of crowds, tourists are in great numbers in the cherry blossom season in early April, and from April 29, 2026 on, the Golden Week of Japan begins, during which must-go attractions are crowded with visitors. These make April the peak season of Osaka, and you’re suggested to make your reservations at least two months earlier to save travel expenses.