Last updated: March 2, 2024
The weather in Seiyo, Japan, during May is characterized by an average temperature of 18°C (65°F). Highs can soar to 28°C (83°F), while lows may dip to 6°C (43°F). Typically, the humidity level in Seiyo throughout May hovers around 82%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Seiyo averages 174 mm (6.8 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 13 hours 52 minutes of daylight, with the sun shining for approximately 9 hours 50 minutes each day. Additionally, there is a 27% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Seiyo reaches a maximum of 12, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 2 | 3 | 6 | 9 | 11 | 12 | 11 | 9 | 6 | 3 | 2 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | ||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | ||||