May Weather in Izumiotsu, Japan

Last updated: August 23, 2025

In May, the average temperature in Izumiotsu, Japan hovers around 20°C (68°F). Visitors can expect a comfortable range, with temperatures dipping to a minimum of 6°C (43°F) and occasionally peaking at 31°C (89°F). However, be prepared for some rain, as the area receives 146 mm (5.7 in) of precipitation over approximately 10 days. With an average humidity of 83%, it’s a month where both warmth and moisture intertwine beautifully.

May Temperature in Izumiotsu

In May in Izumiotsu, the average temperature is 20°C (68°F). Maximums can reach 31°C (89°F) and minimums can be as low as 6°C (43°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy the local attractions.

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

The chart illustrates May temperature patterns in Izumiotsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Izumiotsu, May typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (89°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec424351596874818577675646
Data source: Temperature data for Izumiotsu 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 Izumiotsu

In Izumiotsu in May, the total precipitation amount is 146 mm (5.7 in) over the course of 10 days.

May Precipitation Trends in Izumiotsu

The chart displays monthly precipitation patterns in Izumiotsu, 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 Izumiotsu, May typically receives around 146 mm (5.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec53651101221461662701601642384862
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Izumiotsu

In Izumiotsu in May humidity is 83%. With an average temperature of 20°C (68°F), this humidity feels like a warm, heavy blanket enveloping you, making it feel much warmer than it is. Traveling in such conditions can be quite taxing, as the air feels thick, often leading to a sense of exhaustion and requiring frequent breaks to seek shade or hydration.

May Average Humidity in Izumiotsu

This chart illustrates the average monthly humidity levels in Izumiotsu, 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 Izumiotsu is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Izumiotsu

In Izumiotsu 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 Izumiotsu.

Maximum UV Index Levels in Izumiotsu for May

The chart shows the monthly maximum UV Index (UVI) for Izumiotsu 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 Izumiotsu typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121210764
Data source: Izumiotsu 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 Izumiotsu Compares to Other Months

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

This table compares monthly weather conditions in Izumiotsu, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)53 mm (2.1 inches)82%moderate
February Weather6°C (43°F)65 mm (2.6 inches)79%high
March Weather10°C (51°F)110 mm (4.3 inches)74%very high
April Weather15°C (59°F)122 mm (4.8 inches)76%extreme
May Weather20°C (68°F)146 mm (5.7 inches)83%extreme
June Weather23°C (74°F)166 mm (6.5 inches)87%extreme
July Weather27°C (82°F)270 mm (10.6 inches)93%extreme
August Weather29°C (85°F)160 mm (6.3 inches)91%extreme
September Weather25°C (77°F)164 mm (6.5 inches)87%very high
October Weather19°C (67°F)238 mm (9.4 inches)85%high
November Weather13°C (56°F)48 mm (1.9 inches)83%high
December Weather8°C (47°F)62 mm (2.5 inches)83%moderate

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