May Weather in Komatsu, Japan

Last updated: August 23, 2025

In May, the average temperature in Komatsu, Japan is a mild 18°C (64°F), with a minimum of 8°C (46°F) and a maximum reaching 27°C (80°F). Be prepared for some rain, as 124 mm (4.9 in) of precipitation is expected over 12 days. With an average humidity of 85%, the air will feel quite refreshing, making it a perfect time to explore!

May Temperature in Komatsu

In May in Komatsu, the average temperature is 18°C (64°F). Maximums can reach 27°C (80°F) and minimums can be as low as 8°C (46°F). This pleasant climate makes Komatsu an ideal destination for travelers seeking comfortable weather and enjoyable outdoor activities.

May Weather in Komatsu: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Komatsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Komatsu, May typically has an average temperature of 18°C (64°F), with highs reaching up to 27°C (80°F) and lows dropping to around 8°C (46°F).

Data source: Temperature data for Komatsu generated using information from the Copernicus Climate Change Service.

May Precipitation in Komatsu

In Komatsu in May, the total precipitation amount is 124 mm (4.9 in) over a span of 12 days.

May Precipitation Trends in Komatsu

The chart displays monthly precipitation patterns in Komatsu, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Komatsu, May typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Komatsu

In Komatsu in May, humidity is 85%. With an average temperature of 18°C (64°F), this humidity feels like a muggy blanket enveloping you, making travel a bit heavy and sticky, as the air clings to your skin and every step can feel like wading through molasses.

May Average Humidity in Komatsu

This chart illustrates the average monthly humidity levels in Komatsu, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Komatsu is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Komatsu

In Komatsu 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 Komatsu.

Maximum UV Index Levels in Komatsu for May

The chart shows the monthly maximum UV Index (UVI) for Komatsu in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Komatsu typically reaches 10, which falls under the very high exposure category.

Data source: Komatsu May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How May Weather in Komatsu Compares to Other Months

Weather in Komatsu varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Komatsu, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Komatsu, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (40°F)	195 mm (7.7 inches)	80%	moderate
February Weather	5°C (41°F)	162 mm (6.4 inches)	78%	moderate
March Weather	8°C (47°F)	145 mm (5.7 inches)	76%	very high
April Weather	12°C (54°F)	161 mm (6.3 inches)	77%	very high
May Weather	18°C (64°F)	124 mm (4.9 inches)	85%	very high
June Weather	21°C (70°F)	147 mm (5.8 inches)	89%	extreme
July Weather	26°C (78°F)	286 mm (11.3 inches)	93%	extreme
August Weather	27°C (82°F)	237 mm (9.3 inches)	92%	extreme
September Weather	23°C (74°F)	213 mm (8.4 inches)	84%	very high
October Weather	18°C (65°F)	191 mm (7.5 inches)	81%	high
November Weather	13°C (55°F)	147 mm (5.8 inches)	77%	moderate
December Weather	7°C (46°F)	240 mm (9.5 inches)	79%	moderate