Last updated: August 23, 2025
In May, the average temperature in Shiroishi, Japan is a comfortable 16°C (60°F). However, be prepared for a range that can dip to a chilly 3°C (38°F) and soar up to a warm 31°C (87°F). This month, expect about 106 mm (4.2 in) of precipitation over 14 days, coupled with an average humidity of 80%.
In May in Shiroishi, the average temperature is 16°C (60°F). The maximum can reach 31°C (87°F), and the minimum can be as low as 3°C (38°F). Be prepared for a wide range of temperatures while traveling, as layering your clothing will ensure you're comfortable throughout the day.
In Shiroishi in May, the precipitation amount is 106 mm (4.2 in) over a period of 14 days.
In Shiroishi in May, humidity is 80%. With an average temperature of 16°C (60°F), this humidity feels like walking through a warm, thick haze, making travel feel somewhat stifling and requiring frequent breaks to hydrate and cool down.
In Shiroishi in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Shiroishi.
UV Risk Categories
Weather in Shiroishi varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Shiroishi, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -1°C (31°F) | 79 mm (3.1 inches) | 76% | moderate |
February Weather | 0°C (33°F) | 69 mm (2.7 inches) | 75% | moderate |
March Weather | 5°C (41°F) | 112 mm (4.4 inches) | 72% | high |
April Weather | 9°C (49°F) | 109 mm (4.3 inches) | 73% | very high |
May Weather | 16°C (60°F) | 106 mm (4.2 inches) | 80% | very high |
June Weather | 19°C (66°F) | 100 mm (3.9 inches) | 87% | very high |
July Weather | 23°C (74°F) | 245 mm (9.6 inches) | 92% | extreme |
August Weather | 24°C (76°F) | 183 mm (7.2 inches) | 90% | extreme |
September Weather | 20°C (68°F) | 140 mm (5.5 inches) | 84% | very high |
October Weather | 14°C (58°F) | 194 mm (7.6 inches) | 80% | high |
November Weather | 8°C (47°F) | 46 mm (1.8 inches) | 77% | moderate |
December Weather | 2°C (36°F) | 87 mm (3.4 inches) | 77% | moderate |