Last updated: August 23, 2025
In Tobetsu, Japan, the average temperature in May hovers around 13°C (55°F). Expect minimums as low as 2°C (36°F) and highs reaching 30°C (86°F). With an average precipitation of 90 mm (3.5 in) spread over 11 days, the weather can be quite variable. It's also a humid time, with average humidity levels at a notable 86%.
In May in Tobetsu, the average temperature is 13°C (55°F). Maximums can reach 30°C (86°F), while minimums can dip as low as 2°C (36°F). Be prepared for a range of temperatures, making it ideal for versatile packing when traveling during this time.
In Tobetsu in May, the total precipitation amounts to 90 mm (3.5 in) over the course of 11 days.
In Tobetsu in May humidity is 86%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket clinging to your skin, making travel quite uncomfortable and urging you to seek cooler, dryer spots.
In Tobetsu in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Tobetsu.
UV Risk Categories
Weather in Tobetsu varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Tobetsu, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -5°C (23°F) | 52 mm (2.0 inches) | 84% | low |
February Weather | -4°C (25°F) | 64 mm (2.5 inches) | 83% | moderate |
March Weather | 1°C (34°F) | 76 mm (3.0 inches) | 81% | high |
April Weather | 6°C (43°F) | 73 mm (2.9 inches) | 81% | high |
May Weather | 13°C (55°F) | 90 mm (3.5 inches) | 86% | very high |
June Weather | 16°C (61°F) | 103 mm (4.1 inches) | 87% | very high |
July Weather | 21°C (69°F) | 103 mm (4.1 inches) | 93% | very high |
August Weather | 21°C (71°F) | 182 mm (7.2 inches) | 95% | very high |
September Weather | 18°C (65°F) | 99 mm (3.9 inches) | 88% | very high |
October Weather | 12°C (54°F) | 118 mm (4.7 inches) | 83% | moderate |
November Weather | 5°C (42°F) | 127 mm (5.0 inches) | 79% | moderate |
December Weather | -2°C (29°F) | 88 mm (3.4 inches) | 80% | low |