Best time to visit · Japan
Best time to visit Osaka
Osaka averages 16 just-right days a year; no month is reliably just right, and October comes closest. Most other days miss by being too cool.
(70 to 80°F, dry, sunny)
(45 to 65°F, dry)
(80 to 92°F, bright)
Osaka weather by month
Bars: share of each month's days that are just right (number = days). Below: average daily high. Outlined bars are the best months.
- Just right 16
- Too cool 199
- Too hot 94
- Too muggy 27
- Too gray 29
When to visit Osaka
Osaka rarely hits the 70 to 80°F, dry and sunny window; October comes closest, with 6 just-right days. January, February, March, April, May, November and December are mostly too cool, with average highs of 46 to 73°F (23°C). June, July, August and September are mostly too hot, with average highs of 79 to 90°F (32°C).
Climate table
| Month | Avg high | Dew point | Cloud cover | Just-right days |
|---|---|---|---|---|
| January | 46°F (8°C) | 29°F (-2°C) | 51% | 0 |
| February | 47°F (8°C) | 29°F (-2°C) | 56% | 0 |
| March | 55°F (13°C) | 34°F (1°C) | 65% | 0 |
| April | 65°F (18°C) | 43°F (6°C) | 68% | 3 |
| May | 73°F (23°C) | 52°F (11°C) | 76% | 3 |
| June | 79°F (26°C) | 62°F (17°C) | 92% | 0 |
| July | 86°F (30°C) | 69°F (21°C) | 79% | 0 |
| August | 90°F (32°C) | 70°F (21°C) | 56% | 0 |
| September | 82°F (28°C) | 64°F (18°C) | 64% | 1 |
| October | 71°F (22°C) | 54°F (12°C) | 54% | 6 |
| November | 61°F (16°C) | 43°F (6°C) | 50% | 2 |
| December | 51°F (11°C) | 34°F (1°C) | 44% | 0 |
How Osaka compares
Osaka gets 16 just-right days a year with our default window; the median big US city gets 33. It ranks #1 of 3 Japan places on Goldilocks Map. On muggy days: 27. On gray days: 29.
Places with a similar climate
Nearby
Osaka averages 16 just-right days a year (70 to 80°F highs, dry, mostly sunny), according to Goldilocks Map: https://goldilocksmap.com/japan/osaka/Set your own perfect weather on the map →
Numbers are expected days in a typical year from 1991 to 2020 climate normals (TerraClimate; cloud cover from CHELSA), on a grid about 35 km wide. Checked against 10 years of daily records at 28 NOAA weather stations: typical error about 10 days a year. How it works. Updated 2026-10-07.