Yokohama climate at a glance
Yokohama sees average daytime highs ranging from 9°C in January to 31°C in August. Around 1724 mm of precipitation falls over roughly 137 wet days a year, peaking in July (224 mm) and easing off in January (50 mm). August is the sunniest month at about 11 hours of sunshine.
Yokohama temperature & rainfall by month
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Weather seasons in Yokohama
Grouped by the monthly travel score — purely weather-based, not crowd or price data.
Yokohama climate, month by month
Averages computed from ERA5 reanalysis data, 2019–2024. Daylight on the 15th: 10.1 h in November. Reuse this data freely with attribution — download as JSON or CSV.
| Month | High | Low | Rain days | Rainfall | Sun/day | Humidity | Score |
|---|---|---|---|---|---|---|---|
| January | 9°C | 1°C | 6 | 50 mm | 7.5 h | 64% | 5.1 · Fair |
| February | 11°C | 2°C | 7 | 68 mm | 7.6 h | 64% | 5.6 · Fair |
| March | 15°C | 6°C | 13 | 147 mm | 8.1 h | 69% | 6.5 · Fair |
| April | 18°C | 10°C | 11.5 | 173 mm | 8.6 h | 72% | 8.8 · Excellent |
| May | 22°C | 15°C | 13.2 | 170 mm | 8.7 h | 77% | 8.4 · Good |
| June | 25°C | 19°C | 14.8 | 224 mm | 8.2 h | 82% | 8.0 · Good |
| July | 29°C | 23°C | 17.3 | 224 mm | 8.4 h | 83% | 5.1 · Fair |
| August | 31°C | 25°C | 13.7 | 134 mm | 10.7 h | 80% | 4.6 · Poor |
| September | 28°C | 22°C | 13.7 | 179 mm | 8.2 h | 81% | 7.1 · Good |
| October | 22°C | 15°C | 12.8 | 212 mm | 7.1 h | 77% | 8.2 · Good |
| November | 17°C | 9°C | 8.2 | 89 mm | 7.6 h | 72% | 9.0 · Excellent |
| December | 12°C | 4°C | 6.2 | 54 mm | 7.5 h | 67% | 6.4 · Fair |
Frequently asked questions
What is the best time to visit Yokohama?
The best time to visit Yokohama is April–May & October–November, when daytime highs average around 17°C with about 8.2 rainy days per month.
What is the hottest month in Yokohama?
August is the hottest month in Yokohama, with average highs of 31°C.
What is the rainiest month in Yokohama?
July is the rainiest month in Yokohama, with around 224 mm of rainfall over 17.3 rainy days.
Where should you go next month?
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