Fukuoka is 1.2°C (2.2°F) warmer by day, Fukuoka gets 83 mm (3.3 in) more rain a year.
Fukuoka is at its warmest in August and coolest in January, while Ōsaka peaks in August and bottoms out in February. Month for month, Fukuoka is the warmer of the two in 12 of 12 months.
Fukuoka is the wetter of the two, collecting 1,802 mm (70.9 in) of rain a year against 1,719 mm (67.7 in) in Ōsaka. The most comfortable time to visit is May, June and September in Fukuoka and June, July and September in Ōsaka.
| Fukuoka | Metric | Ōsaka |
|---|---|---|
| 🌡️ Temperature | ||
| 25.2°C | 🌡️Average daytime high | 24°C |
| 5.9°C | 🌙Average nighttime low | 5°C |
| August | 🔥Hottest month | August |
| January | ❄️Coldest month | February |
| 🌧️ Rain | ||
| 1,802 mm | 🌧️Annual rainfall | 1,719 mm |
| July | ☔Wettest month | June |
| December | 🏜️Driest month | January |
| 💨 Climate | ||
| 81% | 💧Average humidity | 82% |
| 1.2 m/s | 💨Average wind speed | 1.8 m/s |
Overnight, Fukuoka typically falls to around 5.9°C (42.6°F) while Ōsaka settles near 5°C (41°F).
Fukuoka is hottest in August and coldest in January, whereas Ōsaka peaks in August and is coolest in February.
Fukuoka sees the most rain in July and the least in December; Ōsaka is wettest in June and driest in January.
Ōsaka feels the more humid of the two, averaging 82% relative humidity against 81%.
For Ōsaka, the pick of the year is June, July and September.
Month by month, here is the coldest night, the average day and the hottest afternoon each city can expect. Switch Compare to read rainfall, humidity, wind or solar instead, and Period to move between the long-term 45-year average and any single year — the shading is a quick warm-to-cool guide.
| Month | Fukuoka | Ōsaka | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | -3.7 | 5.6❄️ | 15 | -3.8 | 4.9❄️ | 13.6 |
| February | -3.4 | 6.9 | 17.2 | -3.9 | 6 | 15.9 |
| March | -1.8 | 9.3 | 20.4 | -2.8 | 8.2 | 19.1 |
| April | 1.7 | 13.3 | 25 | 0.1 | 11.8 | 23.6 |
| May | 7.5 | 18 | 28.5 | 6 | 16.4 | 26.8 |
| June | 12.5 | 21.7 | 30.9 | 11.7 | 20.6 | 29.5 |
| July | 18.1 | 25.9 | 33.6 | 17.6 | 24.8 | 32 |
| August | 19.4 | 26.6🔥 | 33.9 | 18.4 | 25.5🔥 | 32.6 |
| September | 13.7 | 22.7 | 31.6 | 12.8 | 21.7 | 30.6 |
| October | 7.3 | 17.2 | 27 | 5.9 | 16 | 26.1 |
| November | 1.8 | 11.9 | 22 | 0.7 | 11 | 21.4 |
| December | -2.2 | 7.5 | 17.2 | -2.3 | 7.2 | 16.6 |
| Annual Avg | 5.9 | 15.5 | 25.2 | 5 | 14.5 | 24 |
Min / mean / max temperature (°C). 🔥 marks each city's hottest month, ❄️ its coldest; shading runs cool blue to warm red.
The same figures plotted out, so the shape of a typical year is easier to see than in a grid. Where the two lines run close together Fukuoka and Ōsaka feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Fukuoka Ōsaka
See how Fukuoka and Ōsaka stack up against other cities. Swipe for more.
Choose which city to keep, then search for any other city in our database — we'll build the comparison for you.
Quick answers to the questions people ask most when comparing Fukuoka and Ōsaka — each drawn straight from the climate figures above.
Fukuoka is the warmer of the two. It averages daytime highs of 25.2°C (77.4°F) against 24°C (75.2°F) in Ōsaka — roughly 1.2°C (2.2°F) warmer by day. Nights are milder in Fukuoka, with average lows of 5.9°C (42.6°F) versus 5°C (41°F).
Fukuoka is hottest in August, averaging highs of about 33.9°C (93°F), while Ōsaka peaks in August at around 32.6°C (90.6°F). That makes Fukuoka the hotter of the two at the height of summer.
Ōsaka gets colder. In its coldest month (February) overnight lows average about -3.9°C (25°F), compared with -3.7°C (25.3°F) at the low point of the year in Fukuoka.
Fukuoka is the wetter city, collecting about 1,802 mm (70.9 in) of rain a year versus 1,719 mm (67.7 in) in Ōsaka. Fukuoka is wettest in July and driest in December; Ōsaka is wettest in June and driest in January.
Humidity is similar in both, averaging around 81% in Fukuoka and 82% in Ōsaka across the year.
The most comfortable months in Fukuoka are May, June and September, when average temperatures are at their mildest.
Ōsaka is at its most pleasant around June, July and September, based on the mildest average temperatures of the year.
Fukuoka is the warmer city in all 12 months of the year. The gap is widest in May, about 1.6°C (2.9°F), and narrowest in December, about 0.3°C (0.5°F).
Both have a similar seasonal range — around 21°C (37.8°F) between the coldest and hottest months — so neither climate is noticeably more extreme than the other.
It depends what matters most to you: choose Fukuoka for warmer weather and pick Ōsaka if you prefer drier conditions. There is no single "better" climate — it comes down to whether you value warmth, dryness or comfort most.
Every figure on this page is calculated from NASA POWER satellite climate data spanning 1981–2025 (45 years). The averages describe the long-term climate of Fukuoka and Ōsaka, not a single year's weather or a short-range forecast.
