Fukuoka is 0.8°C (1.4°F) warmer by day, Fukuoka has 1.3°C (2.3°F) warmer nights, Fukuoka gets 258 mm (10.2 in) more rain a year.
Fukuoka is at its warmest in August and coolest in January, while Yokohama peaks in August and bottoms out in January. 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 1,544 mm (60.8 in) in Yokohama. The most comfortable time to visit is May, June and September in Fukuoka and June, July and September in Yokohama.
| Fukuoka | Metric | Yokohama |
|---|---|---|
| 🌡️ Temperature | ||
| 19.7°C | 🌡️Average daytime high | 18.9°C |
| 10.7°C | 🌙Average nighttime low | 9.4°C |
| August | 🔥Hottest month | August |
| January | ❄️Coldest month | January |
| 🌧️ Rain | ||
| 1,802 mm | 🌧️Annual rainfall | 1,544 mm |
| July | ☔Wettest month | September |
| December | 🏜️Driest month | December |
| 💨 Climate | ||
| 81% | 💧Average humidity | 80% |
| 1.2 m/s | 💨Average wind speed | 2.5 m/s |
Overnight, Fukuoka typically falls to around 10.7°C (51.3°F) while Yokohama settles near 9.4°C (48.9°F).
Fukuoka is hottest in August and coldest in January, whereas Yokohama peaks in August and is coolest in January.
Fukuoka sees the most rain in July and the least in December; Yokohama is wettest in September and driest in December.
Fukuoka feels the more humid of the two, averaging 81% relative humidity against 80%.
For Yokohama, 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 | Yokohama | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | 0.2 | 4.1❄️ | 8.1 | -1.8 | 3❄️ | 7.8 |
| February | 0.6 | 5.1 | 9.6 | -1.4 | 3.7 | 8.7 |
| March | 3.4 | 8.5 | 13.6 | 1.4 | 7 | 12.5 |
| April | 7.8 | 13.3 | 18.8 | 6.7 | 12.2 | 17.7 |
| May | 12.5 | 17.9 | 23.4 | 12 | 17 | 22.1 |
| June | 17.4 | 22 | 26.6 | 16.6 | 20.9 | 25.2 |
| July | 22 | 25.9 | 29.9 | 20.9 | 24.9 | 28.9 |
| August | 22.6 | 26.7🔥 | 30.8 | 22.1 | 26.2🔥 | 30.2 |
| September | 18.9 | 23 | 27.1 | 18.5 | 22.4 | 26.4 |
| October | 12.8 | 17.2 | 21.7 | 11.9 | 16.2 | 20.6 |
| November | 7.4 | 11.8 | 16.2 | 5.7 | 10.7 | 15.7 |
| December | 2.3 | 6.4 | 10.4 | 0.5 | 5.6 | 10.6 |
| Annual Avg | 10.7 | 15.2 | 19.7 | 9.4 | 14.1 | 18.9 |
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 Yokohama feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Fukuoka Yokohama
See how Fukuoka and Yokohama 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 Yokohama — each drawn straight from the climate figures above.
Fukuoka is the warmer of the two. It averages daytime highs of 19.7°C (67.5°F) against 18.9°C (66°F) in Yokohama — roughly 0.8°C (1.4°F) warmer by day. Nights are milder in Fukuoka, with average lows of 10.7°C (51.3°F) versus 9.4°C (48.9°F).
Fukuoka is hottest in August, averaging highs of about 30.8°C (87.4°F), while Yokohama peaks in August at around 30.2°C (86.4°F). That makes Fukuoka the hotter of the two at the height of summer.
Yokohama gets colder. In its coldest month (January) overnight lows average about -1.8°C (28.8°F), compared with 0.2°C (32.4°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 1,544 mm (60.8 in) in Yokohama. Fukuoka is wettest in July and driest in December; Yokohama is wettest in September and driest in December.
Humidity is similar in both, averaging around 81% in Fukuoka and 80% in Yokohama across the year.
The most comfortable months in Fukuoka are May, June and September, when average temperatures are at their mildest.
Yokohama 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 March, about 1.5°C (2.7°F), and narrowest in August, about 0.5°C (0.9°F).
Both have a similar seasonal range — around 23.2°C (41.8°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 Yokohama 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 Yokohama, not a single year's weather or a short-range forecast.
