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August Weather in Bethel Island, United States

Last updated: June 24, 2025

In August, the average temperature in Bethel Island, United States hovers around 22°C (71°F), making it a pleasant time of year. Temperatures can range from a cool 13°C (55°F) to a scorching 40°C (104°F). Notably, you'll experience 0 mm (0.0 in) of precipitation over 0 days, resulting in a 54% humidity level that keeps the air comfortable. Enjoy the ideal weather while exploring the beauty of Bethel Island!

August Temperature in Bethel Island

In August in Bethel Island, the average temperature is 22°C (71°F). Maximums can reach 40°C (104°F), while minimums can drop to as low as 13°C (55°F). It's an ideal time for travelers to enjoy mild weather, but be prepared for the occasional heatwave and cooler evenings.

August Weather in Bethel Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Bethel Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bethel Island, August typically has an average temperature of 22°C (71°F), with highs reaching up to 40°C (104°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec505356616570717170645650
Data source: Temperature data for Bethel Island 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 Bethel Island

In Bethel Island in August, the precipitation amount is 0 mm (0.0 in) during 0 days.

August Precipitation Trends in Bethel Island

The chart displays monthly precipitation patterns in Bethel Island, 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 Bethel Island, August typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec100877030151001263883
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Bethel Island

In Bethel Island in August, humidity is 54%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace, making travel enjoyable yet slightly muggy, so staying hydrated is essential while exploring the local sights.

August Average Humidity in Bethel Island

This chart illustrates the average monthly humidity levels in Bethel Island, 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 Bethel Island is approximately 54%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Bethel Island

In Bethel Island 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 Bethel Island.

Maximum UV Index Levels in Bethel Island for August

The chart shows the monthly maximum UV Index (UVI) for Bethel Island 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 Bethel Island typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109643
Data source: Bethel Island 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 Bethel Island Compares to Other Months

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

This table compares monthly weather conditions in Bethel Island, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)100 mm (4.0 inches)82%moderate
February Weather11°C (53°F)87 mm (3.4 inches)84%moderate
March Weather13°C (56°F)70 mm (2.7 inches)82%very high
April Weather16°C (61°F)30 mm (1.2 inches)78%very high
May Weather18°C (65°F)15 mm (0.6 inches)71%very high
June Weather21°C (70°F)1 mm (0.1 inches)64%extreme
July Weather22°C (71°F)0 mm (0.0 inches)58%extreme
August Weather22°C (71°F)0 mm (0.0 inches)54%very high
September Weather21°C (70°F)1 mm (0.0 inches)55%very high
October Weather18°C (64°F)26 mm (1.0 inches)62%high
November Weather13°C (56°F)38 mm (1.5 inches)78%moderate
December Weather10°C (50°F)83 mm (3.3 inches)80%moderate

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