May Weather in Kasagi, Japan

Last updated: August 23, 2025

In May, the average temperature in Kasagi, Japan hovers around 19°C (66°F). However, be prepared for a wide range, as temperatures can dip to a chilly 4°C (40°F) and soar up to a blistering 32°C (90°F). During this period, expect approximately 148 mm (5.8 in) of rainfall over 11 days, contributing to the relatively high average humidity of 83%.

May Temperature in Kasagi

In May in Kasagi, the average temperature is 19°C (66°F). Maximum temperatures can reach 32°C (90°F), and minimums can drop as low as 4°C (40°F). This makes it a perfect time to explore the outdoors, so pack accordingly for both warm and cool conditions during your travels.

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

The chart illustrates May temperature patterns in Kasagi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kasagi, May typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (90°F) and lows dropping to around 4°C (40°F).

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

May Precipitation in Kasagi

In Kasagi in May, the precipitation amount is 148 mm (5.8 in) spread over a duration of 11 days.

May Precipitation Trends in Kasagi

The chart displays monthly precipitation patterns in Kasagi, 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 Kasagi, May typically receives around 148 mm (5.8 inches) of precipitation spread over approximately 11 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 Kasagi

In Kasagi in May, humidity is 83%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket wrapping around you, making travel feel more sluggish and muggy, yet there's a refreshing coolness in the air that invites you to explore.

May Average Humidity in Kasagi

This chart illustrates the average monthly humidity levels in Kasagi, 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 Kasagi is approximately 83%, 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 Kasagi

In Kasagi in May, 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 Kasagi.

Maximum UV Index Levels in Kasagi for May

The chart shows the monthly maximum UV Index (UVI) for Kasagi 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 Kasagi typically reaches 11, which falls under the extreme exposure category.

Data source: Kasagi 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 Kasagi Compares to Other Months

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

This table compares monthly weather conditions in Kasagi, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	54 mm (2.1 inches)	82%	moderate
February Weather	5°C (41°F)	65 mm (2.5 inches)	79%	high
March Weather	9°C (49°F)	124 mm (4.9 inches)	74%	very high
April Weather	14°C (57°F)	129 mm (5.1 inches)	76%	extreme
May Weather	19°C (66°F)	148 mm (5.8 inches)	83%	extreme
June Weather	22°C (73°F)	156 mm (6.1 inches)	87%	extreme
July Weather	26°C (80°F)	263 mm (10.3 inches)	93%	extreme
August Weather	28°C (83°F)	156 mm (6.1 inches)	91%	extreme
September Weather	24°C (75°F)	150 mm (5.9 inches)	87%	very high
October Weather	18°C (65°F)	248 mm (9.7 inches)	85%	high
November Weather	12°C (53°F)	40 mm (1.6 inches)	83%	moderate
December Weather	6°C (44°F)	61 mm (2.4 inches)	83%	moderate