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August Weather in Niimi, Japan

Last updated: August 23, 2025

In August, the average temperature in Niimi, Japan hovers around 26°C (79°F). Expect a minimum of 15°C (59°F) and a sizzling maximum of 35°C (96°F). Be prepared for occasional showers, as the area receives around 242 mm (9.5 in) of precipitation over 15 days. With an average humidity of 92%, it's a month where the air feels both warm and lively!

August Temperature in Niimi

In August in Niimi, the average temperature is 26°C (79°F), with maximums reaching 35°C (96°F) and minimums dropping to as low as 15°C (59°F). This comfortable climate makes Niimi an ideal destination for travelers seeking warm weather adventures.

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

The chart illustrates August 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, August typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (96°F) and lows dropping to around 15°C (59°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.

August Precipitation in Niimi

In Niimi in August, the total precipitation amount is 242 mm (9.5 in) distributed over 15 days.

August Precipitation Trends in Niimi

The chart displays monthly precipitation patterns in Niimi, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Niimi, August typically receives around 242 mm (9.5 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec52591161271151863562422291813862
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Niimi

In Niimi in August humidity is 92%. With an average temperature of 26°C (79°F), this humidity feels like an oppressive blanket wrapping around you, making outdoor activities a challenge and leaving you longing for shade and cool beverages.

August Average Humidity in Niimi

This chart illustrates the average monthly humidity levels in Niimi, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Niimi is approximately 92%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Niimi

In Niimi in August, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Niimi.

Maximum UV Index Levels in Niimi for August

The chart shows the monthly maximum UV Index (UVI) for Niimi in August, 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 August, the maximum UV index in Niimi typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121210753
Data source: Niimi August 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 August 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 August’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 August’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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