August Weather in Soma, Japan

Last updated: August 23, 2025

In Soma, Japan, the average temperature in August hovers around 25°C (77°F), with a pleasant range that dips to a minimum of 20°C (67°F) and peaks at 31°C (88°F). Be prepared for some rain, as the area experiences an average precipitation of 158 mm (6.2 in) over 15 days, coupled with a high average humidity of 90%. 🌧️

August Temperature in Soma

In August in Soma, the average temperature is 25°C (77°F). The maximum can reach 31°C (88°F), while the minimum can be as low as 20°C (67°F). This pleasant and mild weather makes it an ideal time for travelers to explore and enjoy outdoor activities in Soma.

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

The chart illustrates August temperature patterns in Soma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Soma, August typically has an average temperature of 25°C (77°F), with highs reaching up to 31°C (88°F) and lows dropping to around 20°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec404145516066737772645545
Data source: Temperature data for Soma 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 Soma

In Soma in August, the precipitation amount is 158 mm (6.2 in) over the course of 15 days.

August Precipitation Trends in Soma

The chart displays monthly precipitation patterns in Soma, 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 Soma, August typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec52411171151191052391581912574460
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Soma

In Soma in August humidity is 90%. With an average temperature of 25°C (77°F), this humidity feels like a warm, moist blanket enveloping you, making any outdoor travel feel stifling and heavy, often leading to a quick exhaustion as you navigate through the sultry air.

August Average Humidity in Soma

This chart illustrates the average monthly humidity levels in Soma, 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 Soma is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%72%73%80%87%93%90%84%80%77%77%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Soma

In Soma in August, 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 Soma.

Maximum UV Index Levels in Soma for August

The chart shows the monthly maximum UV Index (UVI) for Soma 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 Soma typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101011119653
Data source: Soma 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 Soma Compares to Other Months

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

This table compares monthly weather conditions in Soma, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)52 mm (2.1 inches)76%moderate
February Weather5°C (41°F)41 mm (1.6 inches)75%moderate
March Weather7°C (46°F)117 mm (4.6 inches)72%high
April Weather11°C (51°F)115 mm (4.5 inches)73%very high
May Weather16°C (60°F)119 mm (4.7 inches)80%very high
June Weather19°C (66°F)105 mm (4.1 inches)87%very high
July Weather23°C (73°F)239 mm (9.4 inches)92%extreme
August Weather25°C (77°F)158 mm (6.2 inches)90%extreme
September Weather22°C (72°F)191 mm (7.5 inches)84%very high
October Weather18°C (64°F)257 mm (10.1 inches)80%high
November Weather13°C (55°F)44 mm (1.7 inches)77%moderate
December Weather7°C (45°F)60 mm (2.4 inches)77%moderate

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