Osaka Weather in May: Climate, Temperature & Travel Tips
Avg 20.4°C · 136mm rain — May is spring in Osaka.
- Avg high
- 24.9 °C
- Avg low
- 15.9 °C
- Avg
- 20.4 °C
- Precipitation
- 136 mm
Source: Open-Meteo Archive 2014–2023 · 10-year climate normals
Climate Overview
May in Osaka, Japan brings spring conditions: average temperature 20.4°C, average high 24.9°C, average low 15.9°C. Monthly rainfall averages 136mm, making it a wet time of year.
Conditions are pleasant for most travel activities.
What to Pack
- Short sleeves and light pants; sunglasses
- Light shoes or sandals
- Compact umbrella and waterproof jacket
Best Things to Do
- Walking tours and city exploration
- Parks and outdoor cafes
- Seasonal food and night markets (where applicable)
Pros and Cons of Visiting in May
Pros:
- Pleasant temperatures for walking and outdoor sightseeing
- Shoulder season often means smaller crowds and lower prices
Cons:
- Frequent rain — pack waterproof gear
Climate source: Open-Meteo Archive (2014–2023).
Colour = avg temperature · blue = cool · orange = warm
- 1 August 29.7°C
- 2 July 28.0°C
- 3 September 25.8°C
- 1 January 6.4°C
- 2 February 6.8°C
- 3 December 8.8°C
FAQ
01 What is the average temperature in Osaka in May? +
The average is 20.4°C, with a high of 25°C and a low of 16°C.
02 What is Osaka like to visit in May? +
It is spring in Osaka, which is ideal for outdoor exploration.
03 Does it rain often in Osaka during May? +
Average rainfall is 136mm, which is high — expect frequent rain.
04 What should I pack for Osaka in May? +
Short sleeves and light pants; sunglasses; Light shoes or sandals.
05 Is May a peak travel season for Osaka? +
It is closer to off-season, with more reasonable prices and fewer crowds.
06 Where does this climate data come from? +
Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.
- Sources
- Open-Meteo Archive 2014-2023
- Updated
- 2026-04-17