Osaka weather in May
May is one of the best months to visit Osaka: highs of 22°C (72°F) and about 159 mm (6.3 in) of rain on average. Nights average 12°C (53°F) and cloud cover 67% (NASA POWER, 2001–2025 averages). It is the 6th wettest month of the year and the 5th warmest. Compared with April, it is warmer and wetter; June brings highs of 25°C (78°F) and 213 mm (8.4 in) of rain.
Is May a good time to visit Osaka?
best month Weather score 60/100.
Yes. May is one of the best months for weather in Osaka.
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Does it rain a lot in Osaka in May?
Yes, it is one of the rainy months: about 159 mm (6.3 in) falls in an average May. It is the 6th wettest month of the year.
How warm is Osaka in May?
Days average 22°C (72°F) and nights 12°C (53°F).
Osaka weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 6°C (44°F) | -1°C (30°F) | 66 mm | 70% | least pleasant |
| February | 8°C (47°F) | -1°C (31°F) | 80 mm | 69% | least pleasant |
| March | 12°C (53°F) | 2°C (35°F) | 116 mm | 65% | fair |
| April | 18°C (64°F) | 7°C (44°F) | 135 mm | 64% | best |
| May | 22°C (72°F) | 12°C (53°F) | 159 mm | 67% | best |
| June | 25°C (78°F) | 17°C (62°F) | 213 mm | 79% | fair |
| July | 29°C (84°F) | 21°C (71°F) | 220 mm | 73% | fair |
| August | 30°C (86°F) | 22°C (71°F) | 178 mm | 62% | best |
| September | 26°C (79°F) | 18°C (65°F) | 225 mm | 68% | fair |
| October | 21°C (69°F) | 12°C (53°F) | 192 mm | 63% | best |
| November | 15°C (59°F) | 6°C (43°F) | 93 mm | 60% | best |
| December | 9°C (48°F) | 1°C (34°F) | 76 mm | 65% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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