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May Weather in Saijo, Japan

Last updated: August 23, 2025

In May, the average temperature in Saijo, Japan hovers around 17°C (63°F). Expect a range where the temperature can dip to a chilly 3°C (37°F) or rise as high as a warm 30°C (85°F). Be prepared for some rain, as 11 days usually bring about 119 mm (4.7 in) of precipitation, while the average humidity levels reach a damp 84%.

May Temperature in Saijo

In May in Saijo, the average temperature is 17°C (63°F). Maximum temperatures can reach 30°C (85°F), while minimums can drop to as low as 3°C (37°F). It's advisable to pack layers to accommodate the varying temperatures during your travels.

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

The chart illustrates May temperature patterns in Saijo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saijo, May typically has an average temperature of 17°C (63°F), with highs reaching up to 30°C (85°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec363745536368767870604939
Data source: Temperature data for Saijo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Saijo

In Saijo in May, the total precipitation amount is 119 mm (4.7 in), which occurs over the course of 11 days.

May Precipitation Trends in Saijo

The chart displays monthly precipitation patterns in Saijo, 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 Saijo, May typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec73851291311191973592622341714489
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Saijo

In Saijo in May, humidity is 84%. With an average temperature of 17°C (63°F), this humidity feels like a warm, sticky embrace that can make traveling feel heavy and cumbersome, often leaving visitors yearning for refreshing breezes and shade.

May Average Humidity in Saijo

This chart illustrates the average monthly humidity levels in Saijo, 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 Saijo is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Saijo

In Saijo 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 Saijo.

Maximum UV Index Levels in Saijo for May

The chart shows the monthly maximum UV Index (UVI) for Saijo 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 Saijo typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec458111111121210753
Data source: Saijo 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 Saijo Compares to Other Months

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

This table compares monthly weather conditions in Saijo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)73 mm (2.9 inches)82%moderate
February Weather3°C (37°F)85 mm (3.3 inches)79%moderate
March Weather7°C (45°F)129 mm (5.1 inches)73%very high
April Weather12°C (53°F)131 mm (5.2 inches)74%extreme
May Weather17°C (63°F)119 mm (4.7 inches)84%extreme
June Weather20°C (68°F)197 mm (7.7 inches)86%extreme
July Weather24°C (76°F)359 mm (14.1 inches)92%extreme
August Weather26°C (78°F)262 mm (10.3 inches)92%extreme
September Weather21°C (70°F)234 mm (9.2 inches)87%very high
October Weather16°C (60°F)171 mm (6.7 inches)85%high
November Weather9°C (49°F)44 mm (1.7 inches)84%moderate
December Weather4°C (40°F)89 mm (3.5 inches)82%moderate

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