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May Weather in Ichihara, Japan

Last updated: August 23, 2025

In Ichihara, Japan, the average temperature in May hovers around 19°C (66°F). Temperatures can dip to a cool 10°C (51°F) or reach a warm maximum of 27°C (81°F). Expect 147 mm (5.8 in) of precipitation spread over 12 days, adding to an average humidity level of 81%. Whether you're seeking sunshine or a refreshing drizzle, this month offers a bit of everything!

May Temperature in Ichihara

In May in Ichihara, the average temperature is 19°C (66°F). The maximum can reach 27°C (81°F) and the minimum can be as low as 10°C (51°F). This mild climate makes Ichihara an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates May temperature patterns in Ichihara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ichihara, May typically has an average temperature of 19°C (66°F), with highs reaching up to 27°C (81°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec434450576671778175665748
Data source: Temperature data for Ichihara 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 Ichihara

In Ichihara in May, the precipitation amount is 147 mm (5.8 in) over a span of 12 days.

May Precipitation Trends in Ichihara

The chart displays monthly precipitation patterns in Ichihara, 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 Ichihara, May typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec635116213714719022611823231311980
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ichihara

In Ichihara in May, humidity is 81%. With an average temperature of 19°C (66°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel both muggy and slightly stifling, often leading to a need for frequent breaks in the shade.

May Average Humidity in Ichihara

This chart illustrates the average monthly humidity levels in Ichihara, 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 Ichihara is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ichihara

In Ichihara 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 Ichihara.

Maximum UV Index Levels in Ichihara for May

The chart shows the monthly maximum UV Index (UVI) for Ichihara 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 Ichihara typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111119753
Data source: Ichihara 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 Ichihara Compares to Other Months

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

This table compares monthly weather conditions in Ichihara, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)63 mm (2.5 inches)76%moderate
February Weather7°C (44°F)50 mm (2.0 inches)74%moderate
March Weather10°C (50°F)162 mm (6.4 inches)70%high
April Weather14°C (57°F)137 mm (5.4 inches)74%very high
May Weather19°C (66°F)147 mm (5.8 inches)81%very high
June Weather22°C (71°F)190 mm (7.5 inches)88%extreme
July Weather25°C (78°F)226 mm (8.9 inches)93%extreme
August Weather27°C (81°F)118 mm (4.7 inches)90%extreme
September Weather24°C (75°F)232 mm (9.1 inches)86%very high
October Weather19°C (66°F)313 mm (12.3 inches)83%high
November Weather14°C (58°F)119 mm (4.7 inches)80%moderate
December Weather9°C (48°F)80 mm (3.2 inches)78%moderate

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