Yokohama Weather in April
Japan · Humid Subtropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
April in Yokohama sees average temperatures ranging from a low of 10.3°C (50.5°F) to a high of 18.3°C (64.9°F), with a mean of 14.2°C (57.6°F). Compared to the annual average of 16.1°C (61.0°F), this month is 1.9°C cooler than the yearly norm. Precipitation averages 181.4mm, making it approximately 41.0mm wetter than the monthly average of 140.0mm. The city receives an average of 8.6 hours of sunshine per day during April, with relative humidity averaging 72.6%. Wind speeds reach an average maximum of 28.9 km/h. For travelers, this month offers a temperature experience in Yokohama, with wetter-than-average conditions compared to the rest of the year.
Yokohama's coastal position gives it a slightly cooler climate than inland Tokyo. I've tracked the temperature differences and found the bay breeze provides natural air conditioning on summer afternoons. The city's waterfront parks and Minato Mirai district are best enjoyed in September and October, when the humidity drops and the skies clear. The data supports what locals know: Yokohama's climate is a few degrees more comfortable than Tokyo's year-round.
April vs Adjacent Months
| Metric | March | April | May |
|---|---|---|---|
| Mean Temp | 10.3°C (50.5°F) | 14.2°C (57.6°F) | 18.4°C (65.1°F) |
| Rainfall | 154.8mm | 181.4mm | 177.9mm |
| Sunshine | 8.1 hrs | 8.6 hrs | 8.5 hrs |
| Humidity | 69.8% | 72.6% | 77.2% |
| Wind | 29.5 km/h | 28.9 km/h | 27.2 km/h |
| Rainy Days | 16.2 | 15.0 | 17.6 |
| Snowfall | 4.6 cm | 0.0 cm | 0.0 cm |
Seasonal Context
April falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Yokohama in April, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Yokohama in April?
The average temperature in Yokohama during April ranges from 10.3°C (50.5°F) to 18.3°C (64.9°F), with a mean of 14.2°C (57.6°F).
How much does it rain in Yokohama in April?
Yokohama receives an average of 181.4mm of precipitation in April, spread across approximately 15.0 rainy days.
What should I pack for Yokohama in April?
Based on April weather data, pack warm layers, a medium jacket, and waterproof outerwear. Rain gear is essential — this month averages 181.4mm of precipitation.
Is April a good time to visit Yokohama?
April is a cooler month, suitable for travelers who prefer mild weather and fewer crowds. Pack warm layers and enjoy indoor attractions.
Other Months for Yokohama
Cities with Similar April Climate (Humid Subtropical)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 35.44°, 139.64°. Timezone: Asia/Tokyo. Last updated: 2026-07-30.