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May Weather in Himimachi, Japan

Last updated: August 23, 2025

In May, the average temperature in Himimachi, Japan hovers around 19°C (66°F), making it a pleasant time to visit. Expect temperatures to range from a chilly 5°C (41°F) at night to a warm 32°C (91°F) during the day. However, be prepared for some rain, as 124 mm (4.9 in) of precipitation is expected over 13 days. With an average humidity of 85%, it’s a good idea to stay hydrated and enjoy the lush landscapes that this moisture brings.

May Temperature in Himimachi

In May, in Himimachi, the average temperature is 19°C (66°F). Maximums can reach 32°C (91°F), while minimums can drop to as low as 5°C (41°F). Therefore, it's advisable to pack layers to accommodate both warm days and cooler evenings while traveling.

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

The chart illustrates May temperature patterns in Himimachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Himimachi, May typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (91°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec373947556572808274635243
Data source: Temperature data for Himimachi 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 Himimachi

In Himimachi in May, the total precipitation amount is 124 mm (4.9 in) over a span of 13 days.

May Precipitation Trends in Himimachi

The chart displays monthly precipitation patterns in Himimachi, 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 Himimachi, May typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec149145159167124181356265238196124192
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Himimachi

In Himimachi in May humidity is 85%. With an average temperature of 19°C (66°F), this humidity feels like a warm, sticky embrace that can make outdoor adventures feel more exhausting, as the air weighs heavy and every step can feel like a mini workout.

May Average Humidity in Himimachi

This chart illustrates the average monthly humidity levels in Himimachi, 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 Himimachi is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%76%77%85%89%93%92%84%81%77%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Himimachi

In Himimachi in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Himimachi.

Maximum UV Index Levels in Himimachi for May

The chart shows the monthly maximum UV Index (UVI) for Himimachi 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 Himimachi typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101111119653
Data source: Himimachi 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 Himimachi Compares to Other Months

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

This table compares monthly weather conditions in Himimachi, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)149 mm (5.9 inches)80%moderate
February Weather4°C (39°F)145 mm (5.7 inches)78%moderate
March Weather8°C (47°F)159 mm (6.3 inches)76%high
April Weather13°C (55°F)167 mm (6.6 inches)77%very high
May Weather19°C (66°F)124 mm (4.9 inches)85%very high
June Weather22°C (72°F)181 mm (7.1 inches)89%extreme
July Weather26°C (80°F)356 mm (14.0 inches)93%extreme
August Weather28°C (83°F)265 mm (10.4 inches)92%extreme
September Weather23°C (74°F)238 mm (9.4 inches)84%very high
October Weather17°C (64°F)196 mm (7.7 inches)81%high
November Weather11°C (53°F)124 mm (4.9 inches)77%moderate
December Weather6°C (43°F)192 mm (7.5 inches)79%moderate

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