Last updated: March 2, 2024
The weather in Muroran, Japan, during May is characterized by an average temperature of 10°C (50°F). Highs can soar to 17°C (63°F), while lows may dip to 6°C (42°F). Typically, the humidity level in Muroran throughout May hovers around 86%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Muroran averages 99 mm (3.9 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 14 hours 35 minutes of daylight, with the sun shining for approximately 9 hours 40 minutes each day. Additionally, there is a 31% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Muroran reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 15 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 | 4 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||