June Weather in Niimi, Japan

Last updated: August 23, 2025

In Niimi, Japan, the average temperature in June hovers around 21°C (69°F), with a minimum that can dip to 9°C (49°F) and a maximum soaring to 31°C (87°F). Expect a fair amount of rain, with 186 mm (7.3 in) of precipitation spread over 14 days. The air is quite humid, averaging a notable 86% humidity level, making it feel even warmer.

June Temperature in Niimi

In June in Niimi, the average temperature is 21°C (69°F), with maximums reaching 31°C (87°F) and minimums dropping to as low as 9°C (49°F). This climate makes it an ideal time to explore and enjoy outdoor activities in Niimi.

June Weather in Niimi: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Niimi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Niimi, June typically has an average temperature of 21°C (69°F), with highs reaching up to 31°C (87°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec363846546369767971615040
Data source: Temperature data for Niimi 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.

June Precipitation in Niimi

In Niimi in June, the precipitation amount is 186 mm (7.3 in) over a span of 14 days.

June Precipitation Trends in Niimi

The chart displays monthly precipitation patterns in Niimi, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Niimi, June typically receives around 186 mm (7.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec52591161271151863562422291813862
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Niimi

In Niimi in June humidity is 86%. With an average temperature of 21°C (69°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and more deliberate while traveling. The air clings to your skin, creating a sticky sensation that might slow you down, but the vibrant sights and sounds around you encourage exploration despite the sultry atmosphere.

June Average Humidity in Niimi

This chart illustrates the average monthly humidity levels in Niimi, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Niimi is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Niimi

In Niimi in June, 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 Niimi.

Maximum UV Index Levels in Niimi for June

The chart shows the monthly maximum UV Index (UVI) for Niimi in June, 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 June, the maximum UV index in Niimi typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121210753
Data source: Niimi June 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 June Weather in Niimi Compares to Other Months

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

This table compares monthly weather conditions in Niimi, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)52 mm (2.1 inches)82%moderate
February Weather3°C (38°F)59 mm (2.3 inches)79%high
March Weather8°C (46°F)116 mm (4.5 inches)73%very high
April Weather12°C (54°F)127 mm (5.0 inches)74%very high
May Weather17°C (63°F)115 mm (4.5 inches)84%extreme
June Weather21°C (69°F)186 mm (7.3 inches)86%extreme
July Weather25°C (77°F)356 mm (14.0 inches)92%extreme
August Weather26°C (79°F)242 mm (9.5 inches)92%extreme
September Weather22°C (71°F)229 mm (9.0 inches)87%very high
October Weather16°C (61°F)181 mm (7.1 inches)85%high
November Weather10°C (50°F)37 mm (1.5 inches)84%moderate
December Weather4°C (40°F)62 mm (2.4 inches)82%moderate

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