Yokohama Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Yokohama.
Climate overview of Yokohama
Yokohama, Kanagawa, Japan, sees big temperature differences between seasons, with August peaking at 30°C (86°F) and January dropping to 11°C (52°F).
Rainfall is high, totalling around 1638 mm (64 in) per year. October is the wettest month and December the driest. The city also experiences warm summers and cold winters. Sunshine peaks in August, when the city sees around 6.9 hours of sunshine per day.
Yokohama Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Yokohama - and find the best time to visit.
Monthly Temperature in Yokohama
Visitors to Yokohama can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 30°C (86°F) in August, the warmest time of the year, to a chilly 11°C (52°F) during cooler months like January.
At night, you can expect temperatures ranging from 25°C (77°F) in August to around 4°C (39°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Yokohama
Yokohama is known for its substantial rainfall, with annual precipitation reaching 1638 mm (64 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives heavy rainfall, averaging 216 mm (8.5 in) of precipitation, recorded across 17 rainy days. In contrast, the driest month December brings less rainfall, with 70 mm (2.8 in) over 10 rainy days. For more details, please visit our Yokohama Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Yokohama
While the amount of sunshine in Yokohama varies throughout the year, all seasons offer their own charm. Enjoy up to 6.9 hours of daily sun in August, and experience slightly darker atmosphere in September, with about 4.4 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Yokohama by Month
The relative humidity is high throughout the year in Yokohama.
The city experiences its highest humidity in June, reaching 78%. In January, the humidity drops to its lowest level at 54%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Yokohama
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and July
- Warmest weather: July and August
- Most sunshine: August
- Fewest rainy days: January and December
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Yokohama
What is the best time to visit Yokohama?
May and July typically offer the most optimal weather in Yokohama. In contrast, January, February, March, August, September, October and December tend to have less optimal conditions. Yokohama has warm summers and cold winters.
What temperatures can I expect in Yokohama?
Daytime highs range from 11°C (52°F) in January to 30°C (86°F) in August. Nighttime lows range from 4°C (39°F) to 25°C (77°F). Temperatures vary considerably through the year.
How much rain does Yokohama get?
Annual rainfall is around 1638 mm (64 in). October is the wettest month with 216 mm (8.5 in), while December is the driest with 70 mm (2.8 in).
How sunny is Yokohama?
Yokohama receives around 1,973 hours of sunshine per year. August is the sunniest month with 208 hours, while September is the cloudiest with just 131 hours.
Yokohama 3-Day Forecast
Yokohama on the map
Yokohama is highlighted - select any city to see its climate.
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