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August Weather in Tosa, Japan

Last updated: August 23, 2025

In August, the average temperature in Tosa, Japan reaches a warm 27°C (81°F). Temperatures can vary, dropping to a minimum of 21°C (70°F) and peaking at a sweltering 35°C (94°F). During this month, expect 337 mm (13.3 in) of precipitation spread over 21 days, contributing to a high average humidity of 88%.

August Temperature in Tosa

In August in Tosa, the average temperature is 27°C (81°F). Maximums can reach 35°C (94°F), while minimums can drop to 21°C (70°F). This makes Tosa a warm and inviting destination for travelers seeking pleasant weather.

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

The chart illustrates August temperature patterns in Tosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tosa, August typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (94°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec454653596672798176685849
Data source: Temperature data for Tosa 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 Tosa

In Tosa in August, the precipitation amount is 337 mm (13.3 in) over the course of 21 days.

August Precipitation Trends in Tosa

The chart displays monthly precipitation patterns in Tosa, 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 Tosa, August typically receives around 337 mm (13.3 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec691001792032313155793373483378180
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Tosa

In Tosa in August, humidity is 88%. With an average temperature of 27°C (81°F), this humidity feels like a warm, thick blanket wrapping around you as you travel, making every step feel more laborious and requiring frequent breaks to cool down and hydrate.

August Average Humidity in Tosa

This chart illustrates the average monthly humidity levels in Tosa, 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 Tosa is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%70%70%76%83%86%91%88%85%82%79%77%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Tosa

In Tosa 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 Tosa.

Maximum UV Index Levels in Tosa for August

The chart shows the monthly maximum UV Index (UVI) for Tosa 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 Tosa typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111112121210764
Data source: Tosa 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 Tosa Compares to Other Months

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

This table compares monthly weather conditions in Tosa, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)69 mm (2.7 inches)74%moderate
February Weather8°C (46°F)100 mm (3.9 inches)70%high
March Weather12°C (53°F)179 mm (7.1 inches)70%very high
April Weather15°C (59°F)203 mm (8.0 inches)76%extreme
May Weather19°C (67°F)231 mm (9.1 inches)82%extreme
June Weather22°C (72°F)314 mm (12.4 inches)86%extreme
July Weather26°C (79°F)579 mm (22.8 inches)91%extreme
August Weather27°C (81°F)337 mm (13.3 inches)88%extreme
September Weather25°C (76°F)348 mm (13.7 inches)85%very high
October Weather20°C (68°F)337 mm (13.3 inches)82%high
November Weather14°C (58°F)81 mm (3.2 inches)79%high
December Weather9°C (49°F)80 mm (3.1 inches)77%moderate

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