May Weather in Saga, Japan

Last updated: August 23, 2025

The average temperature in Saga, Japan during May is a pleasant 20°C (68°F). Visitors can expect a minimum of 8°C (47°F) and a maximum of 30°C (86°F). Throughout the month, the area receives an average precipitation of 192 mm (7.6 in) over 11 days, coupled with a relatively high humidity of 84%.

May Temperature in Saga

In May in Saga, the average temperature is 20°C (68°F). Maximum can reach 30°C (86°F) and minimum can be as low as 8°C (47°F). This mild climate makes Saga an ideal destination for travelers seeking a pleasant escape during this time of year.

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

The chart illustrates May temperature patterns in Saga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saga, May typically has an average temperature of 20°C (68°F), with highs reaching up to 30°C (86°F) and lows dropping to around 8°C (47°F).

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

May Precipitation in Saga

In Saga in May, the precipitation amount is 192 mm (7.6 in) spread over 11 days.

May Precipitation Trends in Saga

The chart displays monthly precipitation patterns in Saga, 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 Saga, May typically receives around 192 mm (7.6 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 Saga

In Saga in May humidity is 84%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket, making travel a challenge as the air clings to your skin, and every step feels heavier in the mugginess.

May Average Humidity in Saga

This chart illustrates the average monthly humidity levels in Saga, 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 Saga is approximately 84%, 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 Saga

In Saga 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 Saga.

Maximum UV Index Levels in Saga for May

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

Data source: Saga 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 Saga Compares to Other Months

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

This table compares monthly weather conditions in Saga, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	56 mm (2.2 inches)	75%	moderate
February Weather	7°C (45°F)	82 mm (3.2 inches)	71%	high
March Weather	11°C (52°F)	135 mm (5.3 inches)	71%	very high
April Weather	15°C (59°F)	127 mm (5.0 inches)	78%	extreme
May Weather	20°C (68°F)	192 mm (7.6 inches)	84%	extreme
June Weather	23°C (74°F)	219 mm (8.6 inches)	86%	extreme
July Weather	27°C (80°F)	393 mm (15.5 inches)	92%	extreme
August Weather	28°C (83°F)	325 mm (12.8 inches)	91%	extreme
September Weather	24°C (76°F)	215 mm (8.5 inches)	84%	extreme
October Weather	19°C (67°F)	119 mm (4.7 inches)	83%	high
November Weather	13°C (56°F)	61 mm (2.4 inches)	81%	high
December Weather	8°C (47°F)	74 mm (2.9 inches)	79%	moderate