May Weather in Iga, Japan

Last updated: August 23, 2025

In May, the average temperature in Iga, Japan hovers around 19°C (66°F). While you can expect a cozy minimum of 5°C (41°F), temperatures can soar to a steamy maximum of 32°C (89°F). Be prepared for some wet days as precipitation averages 161 mm (6.3 in) over about 12 days. With an average humidity of 83%, it’s the perfect month for those who love a lush, tropical feel!

May Temperature in Iga

In May in Iga, the average temperature is 19°C (66°F), with maximums that can reach 32°C (89°F) and minimums that can drop as low as 5°C (41°F). Be sure to pack layers to comfortably enjoy the varied temperatures during your travels.

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

The chart illustrates May temperature patterns in Iga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iga, May typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (89°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec394148566672798275645344
Data source: Temperature data for Iga 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 Iga

In Iga in May, the total precipitation amount is 161 mm (6.3 in) over a span of 12 days.

May Precipitation Trends in Iga

The chart displays monthly precipitation patterns in Iga, 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 Iga, May typically receives around 161 mm (6.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec53611391411611923172062013155161
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Iga

In Iga in May, humidity is 83%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket wrapping around you, making travel feel more sluggish and muggy, yet there's a refreshing coolness in the air that invites you to explore.

May Average Humidity in Iga

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

In Iga 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 Iga.

Maximum UV Index Levels in Iga for May

The chart shows the monthly maximum UV Index (UVI) for Iga 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 Iga typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121110754
Data source: Iga 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 Iga Compares to Other Months

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

This table compares monthly weather conditions in Iga, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)53 mm (2.1 inches)82%moderate
February Weather5°C (41°F)61 mm (2.4 inches)79%high
March Weather9°C (49°F)139 mm (5.5 inches)74%very high
April Weather14°C (57°F)141 mm (5.5 inches)76%extreme
May Weather19°C (66°F)161 mm (6.3 inches)83%extreme
June Weather22°C (72°F)192 mm (7.6 inches)87%extreme
July Weather26°C (79°F)317 mm (12.5 inches)93%extreme
August Weather28°C (82°F)206 mm (8.1 inches)91%extreme
September Weather24°C (75°F)201 mm (7.9 inches)87%very high
October Weather18°C (65°F)315 mm (12.4 inches)85%high
November Weather12°C (54°F)51 mm (2.0 inches)83%moderate
December Weather7°C (44°F)61 mm (2.4 inches)83%moderate

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