Osaka
May
Weather in Osaka for May 2026
Your guide to Osaka weather in May - trends and predictions
In general, the average temperature in Osaka at the beginning of May is 20.7 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 23.3 °C by the end of May.
Osaka experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 240.1 mm.
Is May a good time to visit Osaka? check out the best time to travel to Osaka page.
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Temperatures
Rain 🌧️
More
10
Dry days
21
Rainy days
0
Snow days
22°/14°
Temperatures
16 km/h
Avg max wind
67 %
Avg humidity
Osaka Weather May
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Temperatures trend during May in Osaka
See the weather trend as well as the moving average line
May weather in Osaka day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Moderate or heavy rain shower | 20° /11° | 5.8 mm | 5 | |
| 2 May |  Heavy rain at times | 18° /9° | 4.1 mm | 4 | |
| 3 May |  Sunny | 21° /9° | 0 mm | 5 | |
| 4 May |  Partly cloudy | 22° /12° | 0 mm | 6 | |
| 5 May |  Overcast | 22° /13° | 5.1 mm | 5 | |
| 6 May | Partly cloudy | 22° /14° | 9.1 mm | 5 | |
| 7 May | Moderate or heavy rain shower | 20° /13° | 19.1 mm | 5 | |
| 8 May |  Patchy rain possible | 20° /11° | 8.7 mm | 5 | |
| 9 May | Patchy rain possible | 20° /12° | 3.1 mm | 4 | |
| 10 May | Partly cloudy | 23° /11° | 2 mm | 6 | |
| 11 May | Sunny | 22° /13° | 0.6 mm | 5 | |
| 12 May | Moderate rain at times | 21° /13° | 10.5 mm | 5 | |
| 13 May | Moderate or heavy rain shower | 22° /14° | 22.6 mm | 5 | |
| 14 May | Overcast | 22° /13° | 7 mm | 5 | |
| 15 May | Overcast | 24° /14° | 1.5 mm | 5 | |
| 16 May | Moderate or heavy rain shower | 23° /14° | 2.2 mm | 5 | |
| 17 May | Moderate or heavy rain shower | 24° /16° | 9.5 mm | 6 | |
| 18 May | Moderate or heavy rain shower | 25° /15° | 1.7 mm | 6 | |
| 19 May | Moderate or heavy rain shower | 22° /15° | 13.1 mm | 5 | |
| 20 May | Partly cloudy | 25° /15° | 10.9 mm | 6 | |
| 21 May | Moderate or heavy rain shower | 24° /16° | 15.2 mm | 6 | |
| 22 May |  Cloudy | 25° /15° | 4.6 mm | 6 | |
| 23 May | Sunny | 24° /15° | 0.1 mm | 6 | |
| 24 May | Moderate or heavy rain shower | 23° /15° | 10.7 mm | 5 | |
| 25 May | Patchy rain possible | 24° /15° | 4 mm | 6 | |
| 26 May | Cloudy | 23° /15° | 5.7 mm | 5 | |
| 27 May | Moderate or heavy rain shower | 23° /15° | 22.3 mm | 5 | |
| 28 May | Partly cloudy | 25° /15° | 19.2 mm | 6 | |
| 29 May | Cloudy | 24° /16° | 7.2 mm | 5 | |
| 30 May | Patchy rain possible | 23° /15° | 15 mm | 6 | |
| 31 May | Patchy rain possible | 21° /15° | 5.1 mm | 5 | |
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Important Notice
Our weather forecast for Osaka in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Osaka forecast closer to your planned date for the most up-to-date weather information.
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Osaka in May - FAQ
What are the expected maximum and minimum temperatures in Osaka during May?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Osaka during May?
Significant rainfall exceeding 240.1 mm is expected in Osaka during May, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Osaka during May?
The average wind speed in Osaka during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Osaka in May?
As you prepare for your trip to Osaka in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Osaka, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
May rainfall patterns in Osaka
Explore the daily rainfall trends and prepare for Osakas May weather 💧
UV exposure in Osaka during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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