Last updated: March 2, 2024
The weather in Itoigawa, Japan, during May is characterized by an average temperature of 15°C (59°F). Highs can soar to 23°C (74°F), while lows may dip to 7°C (45°F). Typically, the humidity level in Itoigawa throughout May hovers around 81%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Itoigawa averages 138 mm (5.4 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 14 hours 8 minutes of daylight, with the sun shining for approximately 9 hours 46 minutes each day. Additionally, there is a 30% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Itoigawa reaches a maximum of 10, 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 | 10 | 10 | 9 | 7 | 5 | 3 | 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 | ||||||