Last updated: March 2, 2024
The weather in Joetsu, Japan, during June is characterized by an average temperature of 21°C (70°F). Highs can soar to 28°C (82°F), while lows may dip to 14°C (58°F). Typically, the humidity level in Joetsu throughout June hovers around 88%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In June, Joetsu averages 105 mm (4.1 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 14 hours 39 minutes of daylight, with the sun shining for approximately 9 hours 45 minutes each day. Additionally, there is a 29% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In June, the UV Index in Joetsu reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 | 4 | 7 | 9 | 11 | 11 | 10 | 8 | 5 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||