Last updated: August 23, 2025
In June, the average temperature in Iwai, Japan hovers around 22°C (72°F). Expect a comfortable range, with minimums dipping to 13°C (56°F) and highs soaring to 33°C (92°F). However, be prepared for some rain, as 142 mm (5.6 in) of precipitation is likely to fall over 15 days. The atmosphere tends to be quite humid, with an average humidity level of 88%, so pack accordingly!
In June in Iwai, the average temperature is 22°C (72°F), with a maximum that can reach up to 33°C (92°F) and a minimum that can drop as low as 13°C (56°F). This mild climate makes it an ideal time for exploring outdoor activities and enjoying the local attractions.
In Iwai in June, the total precipitation amount is 142 mm (5.6 in) spread over a period of 15 days.
In Iwai in June humidity is 88%. With an average temperature of 22°C (72°F), this humidity feels like a warm, steamy embrace that clings to your skin, making outdoor exploration a sweaty challenge but also a vibrant experience as the air is thick with the scent of nature and vibrant local life.
In Iwai in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Iwai.
UV Risk Categories
Weather in Iwai varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Iwai, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 42 mm (1.6 inches) | 76% | moderate |
| February Weather | 6°C (42°F) | 39 mm (1.5 inches) | 74% | moderate |
| March Weather | 10°C (50°F) | 123 mm (4.9 inches) | 70% | high |
| April Weather | 14°C (58°F) | 109 mm (4.3 inches) | 74% | very high |
| May Weather | 19°C (67°F) | 121 mm (4.8 inches) | 81% | very high |
| June Weather | 22°C (72°F) | 142 mm (5.6 inches) | 88% | extreme |
| July Weather | 26°C (79°F) | 225 mm (8.9 inches) | 93% | extreme |
| August Weather | 28°C (82°F) | 111 mm (4.4 inches) | 90% | very high |
| September Weather | 24°C (75°F) | 171 mm (6.7 inches) | 86% | very high |
| October Weather | 18°C (65°F) | 238 mm (9.4 inches) | 83% | high |
| November Weather | 13°C (55°F) | 72 mm (2.8 inches) | 80% | moderate |
| December Weather | 7°C (44°F) | 54 mm (2.1 inches) | 78% | moderate |