Osaka weather in May
Osaka in May averages 20°C (69°F), 136 mm of rain and 6.4 hours of sun a day.
Of the twelve months in Osaka, May is the fifth warmest, the fifth wettest and the third sunniest.
- Average temp
- 20°C (69°F)
16–25°C · 61–77°F
- Rainfall
- 136 mm
Showers likely
- Sunshine
- 6.4 h
hours per day
What is Osaka like in May?
Daytime
Days are mild.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Osaka in May?
A light rain jacket
About 136 mm falls this month — showers rather than washouts.
A layer for the evening
Evenings cool off noticeably once the sun is down.
May compared with April and June
May in Osaka is 5.1°C warmer than April and 34 mm wetter than it, which averages 15°C (60°F).
May in Osaka is 3.8°C cooler than June and 49 mm drier than it, which averages 24°C (76°F).
Daylight in Osaka in May
On 15 May the sun is up for 13 hours 59 minutes in Osaka, rising about 04:55 and setting about 18:54 local time.
May ends 44 minutes longer than it begins, so the last week of the month is a different length of day from the first.
Where to stay in Osaka
Dates are a starting point for May.
Travel guides for Osaka
What to read before you book.
Osaka weather by month
TemperatureRainfall
How May compares with the rest of the year
May is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 6°C / 44°F | 47 mm |
| February | 7°C / 44°F | 61 mm |
| March | 10°C / 50°F | 103 mm |
| April | 15°C / 60°F | 103 mm |
| May | 20°C / 69°F | 136 mm |
| June | 24°C / 76°F | 185 mm |
| July | 28°C / 82°F | 175 mm |
| August | 30°C / 85°F | 113 mm |
| September | 26°C / 78°F | 146 mm |
| October | 20°C / 68°F | 140 mm |
| November | 14°C / 57°F | 73 mm |
| December | 9°C / 48°F | 56 mm |
Similar weather in May
Other destinations whose May averages sit close to this one.
Check another month
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FAQs about Osaka in May
May climate averages for Osaka, 1991–2020.
Osaka averages 20°C (69°F) in May, ranging from about 16°C (61°F) at night to 25°C (77°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 136 mm falls across May, enough to need a light jacket but not enough to reshape a trip.
No. May averages 20°C (69°F) against 24°C (76°F) in June — 3.8°C cooler.
May is 5.1°C warmer than April, and 34 mm wetter.
Yes. May falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 6.4 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what May is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 13 hours 59 minutes of daylight in mid-May, against 14 hours 28 minutes in June and 9 hours 51 minutes in December.
On 15 May, sunrise is about 04:55 and sunset about 18:54 local time. Both shift across the month — the month ends 44 minutes longer than it starts.
