Osaka Weather in May

Season: Late Spring
In Short: Pretty warm, sometimes hot

Coming to May, you don’t feel cold anymore in Osaka because the weather is pretty warm. Because of the global warming, the daytime temperature in May can sometimes be as high as that in summer. Although the temperature difference in a day is still large, you don’t have to wear the thick overcoat in the morning or evening anymore; a thin light overcoat is more suitable. During the daytime, the sunshine can be pretty strong sometimes so it is advisable for you to bring the sun cream and parasol to prevent getting sunburn.

Temperature

The average temperature in May is 21°C (69.8°F). As we can see from the below graph, the temperature is generally in an increasing trend. Despite of the average high temperature of 24°C (75.2°F), the temperature rises to 30°C (86°F) occasionally. Please make sure to drink enough water every day.
Average High Temperature: 24°C / 75.2°F
Average Low Temperature: 18°C / 64.4°F

Rainfall

It has about 10 rainy days in this month and the average rainfall is 145mm. It seldom rains heavily and in most of the time, the sky is cloudy. The humidity is about 55% which is pretty comfortable.
Average Rainy Days: 10 days
Average Humidity: 55%

Sunrise & Sunset

As it approaches to Summer Solstice, the sun rises earlier and the daylight hours are longer than before. In May, the sun rises between 04:55 and 05:17. After nearly 14 hours of daylight, the sun sets at around 18:54. The sunshine mainly starts from noon and lasts for around 6.2 hours.
Daylight hours: about 14h
Sunshine hours: around 6.2h

Recommended Clothes to Wear in May

As temperature increases, the clothes should be lighter too. In early month, a thin coat can be packed for cooler mornings and evenings. After entering the mid and late month, extra clothes are no longer needed.

Girls

Tops: In most of the time, coats are not necessary and a long-sleeve shirt can well adapt to the weather. Hoodie can be the first choice because it is convenient and easy to match. Around noon, girls can just wear light blouses.
Bottoms & shoes: For bottoms, light pants and jeans are suitable. Girls can choose a pair of casual shoes for easier walking.

Boys

Tops: Hoodie must be the first clothing to be put in your luggage. Besides, boys can choose long-sleeve T-shirt in bright color and a short-sleeve T-shirt for some hot days.
Bottoms & shoes: Light pants and jeans are good. For shoes, it is more recommended for boys to wear sneakers to absorb the sweat.

Accessories: Sun cream and sunhat are needed to prevent getting sunburn. When traveling, you can also take a bottle of water to keep moisture.
Special Recommendation: Spring is one of the best periods to experience the kimono, Japanese traditional clothing. If you plan to travel in Osaka in May, you can catch the tail of the spring and rent a kimono in any rental shop. Wearing the kimono while traveling in Osaka can give you a totally different experience.

Top Attractions to Visit in Osaka in May

Travel Recommendation:

The warm and pleasant weather makes it suitable to visit any place in Osaka and we just list a few top ones for reference. Or, you can check our Japan Tours 2025 & 2026 if you are ready to visit Osaka in 2025.

1. Tsutenkaku Tower

Tsutenkaku Tower

Tsutenkaku Tower is a 103-meter-tall (338 feet) building located in the Shinsekai & Tsutenkaku and it has many amusements and facilities. Standing on the TIP THE TSUTENKAKU on the top of the building, you can view the entire Osaka. It is a suspended observatory with a glass see-through floor. On the fifth floor of the building, there’s also a Golden Observatory where enshrines the patron saint, Billiken. It is said that he can bring you good luck if you touch its feet so it is pretty popular in Tsutenkaku Tower. What’s more, outside of the tower, there’s a huge TOWER SLIDER with a height of 27 meters (88.6 feet) and a length of about 60 meters (197 feet). Sliding 60 meters in 10 seconds can provide visitors a thrilling experience beyond compare.

Tips: Skirts and high heels are not allowed in TIP THE TSUTENKAKU.

2. Shinsekai Hondori Shopping Street

Near the Tsutenkaku Tower, the Shinsekai Hondori Shopping Street is also a good place to visit. It has plenty of restaurants where you can enjoy the local food, and cultural facilities with retro style. Wherever you are in the shopping street, you can see the exaggerated signboards and flags. Besides, it also offers the best view of Tsutenkaku Tower. It is highly recommended to visit the Shinsekai Hondori Shopping Street together with the Tsutenkaku Tower.

Shopping Street

Shi-Tennoji Buddhist Temple

3. Shi-Tennoji Buddhist Temple

The Shi-Tennoji Buddhist Temple is one of the most popular temples in Osaka and the earliest Buddhist temple in Japan. The temple is super large and it has many gardens and halls. Except for its cultural connotation, it is also famous for the marvelous view of sunset. The west gate of the temple is the best place to appreciate the sunset and it is called the hill of sunset. After visiting the Shi-Tennoji Buddhist Temple, visitors can choose to go to the Tennoji Zoo nearby. The Tennoji Zoo is also one of the must-visit attractions in Osaka.

Tips: Some halls in the temple has their own notices; please check the notices carefully before visiting the halls.

May Weather for Other Cities in Japan:

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