May Weather in Saiki, Japan

Last updated: August 23, 2025

In May, the average temperature in Saiki, Japan is a pleasant 20°C (68°F). Expect minimums around 11°C (52°F) and maximums reaching 27°C (81°F). With an average humidity of 84%, it's a great time to enjoy the outdoors, despite approximately 163 mm (6.4 in) of precipitation spread over 10 days.

May Temperature in Saiki

In May in Saiki, the average temperature is 20°C (68°F), with maximums reaching 27°C (81°F) and minimums dropping as low as 11°C (52°F). This comfortable climate makes Saiki an ideal destination for travelers seeking a pleasant getaway.

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

The chart illustrates May temperature patterns in Saiki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saiki, May typically has an average temperature of 20°C (68°F), with highs reaching up to 27°C (81°F) and lows dropping to around 11°C (52°F).

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

May Precipitation in Saiki

In Saiki in May, the total precipitation amount is 163 mm (6.4 in) recorded over the course of 10 days.

May Precipitation Trends in Saiki

The chart displays monthly precipitation patterns in Saiki, 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 Saiki, May typically receives around 163 mm (6.4 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Saiki

In Saiki 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 Saiki

This chart illustrates the average monthly humidity levels in Saiki, 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 Saiki 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 Saiki

In Saiki 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 Saiki.

Maximum UV Index Levels in Saiki for May

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

Data source: Saiki 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 Saiki Compares to Other Months

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

This table compares monthly weather conditions in Saiki, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	57 mm (2.3 inches)	75%	moderate
February Weather	9°C (48°F)	81 mm (3.2 inches)	71%	high
March Weather	12°C (55°F)	126 mm (5.0 inches)	71%	very high
April Weather	16°C (61°F)	118 mm (4.7 inches)	78%	very high
May Weather	20°C (68°F)	163 mm (6.4 inches)	84%	extreme
June Weather	23°C (73°F)	221 mm (8.7 inches)	86%	extreme
July Weather	26°C (80°F)	326 mm (12.8 inches)	92%	extreme
August Weather	28°C (82°F)	195 mm (7.7 inches)	91%	extreme
September Weather	25°C (77°F)	224 mm (8.8 inches)	84%	very high
October Weather	21°C (70°F)	259 mm (10.2 inches)	83%	high
November Weather	16°C (60°F)	61 mm (2.4 inches)	81%	high
December Weather	11°C (51°F)	61 mm (2.4 inches)	79%	moderate