Weather in Yokohama
Live weather and 7-day forecast for Yokohama, Japan, followed by what to expect in each month of the year.
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Forecast data from Open-Meteo
Climate in Yokohama: month by month
Averaged over 2023–2025, the warmest month in Yokohama is August, with highs around 33 °C (91 °F) and lows around 26 °C (79 °F); the coolest is January, with highs around 10 °C (50 °F) and lows around 2 °C (35 °F).
Yokohama gets about 1,443 mm (57 in) of precipitation a year. The wettest month is June (226 mm over about 14 days) and the driest is December (30 mm).
| Month | Avg high | Avg low | Precipitation (mm) | Wet days | Daylight |
|---|---|---|---|---|---|
| January | 10° | 2° | 33 | 5 | 10h 1m |
| February | 11° | 3° | 59 | 7 | 10h 54m |
| March | 15° | 6° | 162 | 14 | 11h 55m |
| April | 19° | 12° | 134 | 12 | 13h 4m |
| May | 22° | 15° | 222 | 14 | 14h 1m |
| June | 27° | 20° | 226 | 14 | 14h 32m |
| July | 32° | 25° | 71 | 9 | 14h 20m |
| August | 33° | 26° | 116 | 13 | 13h 32m |
| September | 30° | 23° | 169 | 12 | 12h 27m |
| October | 23° | 16° | 144 | 11 | 11h 21m |
| November | 17° | 10° | 77 | 6 | 10h 20m |
| December | 13° | 4° | 30 | 4 | 9h 47m |
Averages of daily values from the ERA5 reanalysis for 2023–2025 at Yokohama's coordinates (model elevation 6 m), via Open-Meteo (CC BY 4.0). Three recent years are not a 30-year climate normal; reanalysis smooths local extremes and tends to count more light-rain days than a rain gauge would. Daylight is sunrise to sunset on the 15th of each month.
Weather questions for Yokohama
What is the hottest month in Yokohama?
August, with average highs of 33 °C (91 °F) and lows of 26 °C (79 °F) over 2023–2025. The coolest month is January, averaging 10 °C (50 °F) by day and 2 °C (35 °F) at night.
What is the rainiest month in Yokohama?
June, with about 226 mm of precipitation on roughly 14 days. The driest month is December (30 mm), and the yearly total is around 1,443 mm.
When is the weather mildest in Yokohama?
Going by the averages, April–June and October are the months with average daytime highs between 18 °C and 27 °C (64–81 °F) — warm but not hot. June is the month most likely to bring rain.
More about Yokohama
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About this forecast
The live forecast comes from Open-Meteo, which blends models from national weather services and is fetched fresh in your browser on each visit. Times in the hourly outlook are Yokohama local time (Asia/Tokyo).