Osaka weather in May
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Osaka May weather at a glance
In May, Osaka averages 18.6°C, with typical highs of 23°C and lows of 14.3°C. The historical average is 13 wet days and 73% humidity.
Osaka May temperature & humidity
Osaka May rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Osaka in May
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
- DaytimeLong sleeves and a light jacket · average high 23°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 14.3°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Osaka May sunrise & sunset times
2026 May · Local time (Asia/Tokyo)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-05-01 | 05:08 | 18:43 | 13h 34m |
| 2026-05-15 | 04:56 | 18:54 | 13h 58m |
| 2026-05-31 | 04:47 | 19:05 | 14h 18m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Osaka travel updates
Today’s weather and forecast
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Forecast · Windy. Monthly averages are in the Temperature section.
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Osaka city map
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Osaka travel essentials
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Best months to visit Osaka
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
May weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Osaka weather like in May?
In May, Osaka averages 18.6°C, with typical highs of 23°C and lows of 14.3°C. The historical average is 13 wet days and 73% humidity. Our weather-comfort rating for this month is fair.
Does it rain a lot in Osaka in May?
There are about 13 wet days in May. A compact umbrella is still useful.
What should I wear in Osaka in May?
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Osaka?
Recent weather data rates April, November, December among the more comfortable months.
Where can I check Osaka weather in May in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Osaka in May?
On 2026-05-15, calculated sunrise is 04:56 and sunset is 18:54 in local time (Asia/Tokyo). Times vary by date and terrain.
Osaka weather by month
More Japan destinations in May
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations