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August Weather in Saitama, Japan

Last updated: August 23, 2025

In August, the average temperature in Saitama, Japan is a warm 28°C (83°F). You'll experience a range with a minimum of 17°C (63°F) and a maximum reaching up to 38°C (100°F). Be prepared for some rain, as 112 mm (4.4 in) of precipitation is expected over 13 days. Additionally, the average humidity is a muggy 90%, creating a tropical feel throughout the month.

August Temperature in Saitama

In August in Saitama, the average temperature is 28°C (83°F). Maximums can reach 38°C (100°F), while minimums can drop as low as 17°C (63°F). This warm climate makes Saitama an excellent destination for sun-seekers and outdoor enthusiasts.

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

The chart illustrates August temperature patterns in Saitama, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saitama, August typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (100°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec404250586773798375655544
Data source: Temperature data for Saitama 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 Saitama

In Saitama in August, the precipitation amount is 112 mm (4.4 in) over the course of 13 days.

August Precipitation Trends in Saitama

The chart displays monthly precipitation patterns in Saitama, 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 Saitama, August typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec39381221111111352251121672496347
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Saitama

In Saitama in August humidity is 90%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making travel strenuous and uncomfortable as sweat clings to your skin, and the air feels thick and heavy with moisture.

August Average Humidity in Saitama

This chart illustrates the average monthly humidity levels in Saitama, 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 Saitama is approximately 90%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Saitama

In Saitama in August, 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 Saitama.

Maximum UV Index Levels in Saitama for August

The chart shows the monthly maximum UV Index (UVI) for Saitama 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 Saitama typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101011109753
Data source: Saitama 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 Saitama Compares to Other Months

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

This table compares monthly weather conditions in Saitama, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)39 mm (1.5 inches)76%moderate
February Weather6°C (43°F)38 mm (1.5 inches)74%moderate
March Weather10°C (51°F)122 mm (4.8 inches)70%very high
April Weather14°C (58°F)111 mm (4.4 inches)74%very high
May Weather20°C (68°F)111 mm (4.4 inches)81%very high
June Weather23°C (73°F)134 mm (5.3 inches)88%very high
July Weather26°C (80°F)225 mm (8.8 inches)93%extreme
August Weather28°C (83°F)112 mm (4.4 inches)90%very high
September Weather24°C (75°F)167 mm (6.6 inches)86%very high
October Weather18°C (65°F)249 mm (9.8 inches)83%high
November Weather13°C (55°F)63 mm (2.5 inches)80%moderate
December Weather7°C (44°F)47 mm (1.8 inches)78%moderate

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