Tokyo is 0.9°C (1.6°F) warmer by day, Tokyo has 2.2°C (4°F) warmer nights, Tokyo gets 66 mm (2.6 in) more rain a year.
Tokyo is at its warmest in August and coolest in January, while Yokohama peaks in August and bottoms out in January. Month for month, Tokyo is the warmer of the two in 12 of 12 months.
Tokyo is the wetter of the two, collecting 1,610 mm (63.4 in) of rain a year against 1,544 mm (60.8 in) in Yokohama. The most comfortable time to visit is May, June and October in Tokyo and June, July and September in Yokohama.
| Tokyo | Metric | Yokohama |
|---|---|---|
| 🌡️ Temperature | ||
| 19.8°C | 🌡️Average daytime high | 18.9°C |
| 11.6°C | 🌙Average nighttime low | 9.4°C |
| August | 🔥Hottest month | August |
| January | ❄️Coldest month | January |
| 🌧️ Rain | ||
| 1,610 mm | 🌧️Annual rainfall | 1,544 mm |
| September | ☔Wettest month | September |
| December | 🏜️Driest month | December |
| 💨 Climate | ||
| 79% | 💧Average humidity | 80% |
| 2.6 m/s | 💨Average wind speed | 2.5 m/s |
Overnight, Tokyo typically falls to around 11.6°C (52.9°F) while Yokohama settles near 9.4°C (48.9°F).
Tokyo is hottest in August and coldest in January, whereas Yokohama peaks in August and is coolest in January.
Tokyo sees the most rain in September and the least in December; Yokohama is wettest in September and driest in December.
Yokohama feels the more humid of the two, averaging 80% relative humidity against 79%.
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 | Tokyo | Yokohama | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | 0.9 | 5❄️ | 9.2 | -1.8 | 3❄️ | 7.8 |
| February | 1.2 | 5.5 | 9.9 | -1.4 | 3.7 | 8.7 |
| March | 4 | 8.7 | 13.4 | 1.4 | 7 | 12.5 |
| April | 8.9 | 13.6 | 18.4 | 6.7 | 12.2 | 17.7 |
| May | 13.9 | 18.3 | 22.7 | 12 | 17 | 22.1 |
| June | 18.1 | 21.9 | 25.7 | 16.6 | 20.9 | 25.2 |
| July | 22.1 | 25.8 | 29.4 | 20.9 | 24.9 | 28.9 |
| August | 23.6 | 27.3🔥 | 31 | 22.1 | 26.2🔥 | 30.2 |
| September | 20.5 | 24 | 27.5 | 18.5 | 22.4 | 26.4 |
| October | 14.4 | 18.2 | 22 | 11.9 | 16.2 | 20.6 |
| November | 8.7 | 12.8 | 16.9 | 5.7 | 10.7 | 15.7 |
| December | 3.4 | 7.6 | 11.8 | 0.5 | 5.6 | 10.6 |
| Annual Avg | 11.6 | 15.7 | 19.8 | 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 Tokyo and Yokohama feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Tokyo Yokohama
See how Tokyo 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 Tokyo and Yokohama — each drawn straight from the climate figures above.
Tokyo is the warmer of the two. It averages daytime highs of 19.8°C (67.6°F) against 18.9°C (66°F) in Yokohama — roughly 0.9°C (1.6°F) warmer by day. Nights are milder in Tokyo, with average lows of 11.6°C (52.9°F) versus 9.4°C (48.9°F).
Tokyo is hottest in August, averaging highs of about 31°C (87.7°F), while Yokohama peaks in August at around 30.2°C (86.4°F). That makes Tokyo 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 0.9°C (33.6°F) at the low point of the year in Tokyo.
Tokyo is the wetter city, collecting about 1,610 mm (63.4 in) of rain a year versus 1,544 mm (60.8 in) in Yokohama. Tokyo is wettest in September and driest in December; Yokohama is wettest in September and driest in December.
Humidity is similar in both, averaging around 79% in Tokyo and 80% in Yokohama across the year.
The most comfortable months in Tokyo are May, June and October, 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.
Tokyo is the warmer city in all 12 months of the year. The gap is widest in November, about 2.1°C (3.8°F), and narrowest in July, about 0.9°C (1.6°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 Tokyo 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 Tokyo and Yokohama, not a single year's weather or a short-range forecast.
