nomadseason

May Weather in Kamaishi, Japan

Last updated: August 23, 2025

In May, the average temperature in Kamaishi, Japan hovers around 14°C (57°F), with a comfortable range between a minimum of 5°C (42°F) and a maximum of 29°C (84°F). Expect about 118 mm (4.7 in) of precipitation over 12 days, contributing to an average humidity level of 80%. Perfect for those who enjoy a refreshing atmosphere!

May Temperature in Kamaishi

In May in Kamaishi, the average temperature is 14°C (57°F). Maximum temperatures can reach 29°C (84°F), while minimums can drop as low as 5°C (42°F). This variability makes it ideal for travelers to pack layers to enjoy both warm and cooler moments comfortably.

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

The chart illustrates May temperature patterns in Kamaishi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kamaishi, May typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (84°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec333340475763707367574736
Data source: Temperature data for Kamaishi generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Kamaishi

In Kamaishi in May, the total precipitation amount is 118 mm (4.7 in) over the course of 12 days.

May Precipitation Trends in Kamaishi

The chart displays monthly precipitation patterns in Kamaishi, 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 Kamaishi, May typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec45561211231181351872081712235667
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Kamaishi

In Kamaishi in May, humidity is 80%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making travel uncomfortable and sticky, as sweat clings to your skin and the air feels heavy with moisture.

May Average Humidity in Kamaishi

This chart illustrates the average monthly humidity levels in Kamaishi, 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 Kamaishi is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Kamaishi

In Kamaishi in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Kamaishi.

Maximum UV Index Levels in Kamaishi for May

The chart shows the monthly maximum UV Index (UVI) for Kamaishi 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 Kamaishi typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891110109643
Data source: Kamaishi 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 Kamaishi Compares to Other Months

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

This table compares monthly weather conditions in Kamaishi, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)45 mm (1.8 inches)80%moderate
February Weather1°C (33°F)56 mm (2.2 inches)79%moderate
March Weather4°C (40°F)121 mm (4.8 inches)77%high
April Weather8°C (47°F)123 mm (4.9 inches)75%very high
May Weather14°C (57°F)118 mm (4.7 inches)80%very high
June Weather17°C (63°F)135 mm (5.3 inches)87%extreme
July Weather21°C (70°F)187 mm (7.3 inches)92%very high
August Weather23°C (73°F)208 mm (8.2 inches)92%very high
September Weather20°C (67°F)171 mm (6.7 inches)86%very high
October Weather14°C (58°F)223 mm (8.8 inches)82%high
November Weather8°C (47°F)56 mm (2.2 inches)79%moderate
December Weather2°C (36°F)67 mm (2.6 inches)80%moderate

Compare Kamaishi's Climate with Cities Worldwide