Yokohama Weather in May
Japan · Humid Subtropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
May in Yokohama sees average temperatures ranging from a low of 14.9°C (58.8°F) to a high of 22.1°C (71.8°F), with a mean of 18.4°C (65.1°F). Compared to the annual average of 16.1°C (61.0°F), this month is 2.3°C warmer than the yearly norm. Precipitation averages 177.9mm, making it approximately 37.0mm wetter than the monthly average of 140.0mm. The city receives an average of 8.5 hours of sunshine per day during May, with relative humidity averaging 77.2%. Wind speeds reach an average maximum of 27.2 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.
May vs Adjacent Months
| Metric | April | May | June |
|---|---|---|---|
| Mean Temp | 14.2°C (57.6°F) | 18.4°C (65.1°F) | 22.1°C (71.8°F) |
| Rainfall | 181.4mm | 177.9mm | 216.5mm |
| Sunshine | 8.6 hrs | 8.5 hrs | 8.2 hrs |
| Humidity | 72.6% | 77.2% | 81.8% |
| Wind | 28.9 km/h | 27.2 km/h | 24.3 km/h |
| Rainy Days | 15.0 | 17.6 | 19.0 |
Seasonal Context
May falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Yokohama in May, 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 May?
The average temperature in Yokohama during May ranges from 14.9°C (58.8°F) to 22.1°C (71.8°F), with a mean of 18.4°C (65.1°F).
How much does it rain in Yokohama in May?
Yokohama receives an average of 177.9mm of precipitation in May, spread across approximately 17.6 rainy days.
What should I pack for Yokohama in May?
Based on May weather data, pack layers including light jackets and t-shirts, plus an umbrella. Rain gear is essential — this month averages 177.9mm of precipitation.
Is May a good time to visit Yokohama?
May is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Yokohama
Cities with Similar May 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.