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August Weather in Siren, United States

Last updated: June 24, 2025

In August, the average temperature in Siren, United States is a comfortable 21°C (69°F), with daily highs reaching up to 32°C (90°F) and lows dipping to around 10°C (49°F). Expect about 126 mm (5.0 in) of precipitation spread over approximately 12 days, contributing to an average humidity level of 81%.

August Temperature in Siren

In August in Siren, the average temperature is 21°C (69°F), with maximums reaching 32°C (90°F) and minimums dropping as low as 10°C (49°F). This range makes Siren an ideal destination for travelers seeking comfortable weather for outdoor activities and exploration.

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

The chart illustrates August temperature patterns in Siren, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siren, August typically has an average temperature of 21°C (69°F), with highs reaching up to 32°C (90°F) and lows dropping to around 10°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec151531425769726962473222
Data source: Temperature data for Siren 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 Siren

In Siren in August, the precipitation amount is 126 mm (5.0 in) over the course of 12 days.

August Precipitation Trends in Siren

The chart displays monthly precipitation patterns in Siren, 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 Siren, August typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec223248911079010012697994056
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Siren

In Siren in August humidity is 81%. With an average temperature of 21°C (69°F), this humidity feels like a warm, enveloping blanket that's both heavy and sticky, making outdoor activities feel more strenuous and travel slightly uncomfortable.

August Average Humidity in Siren

This chart illustrates the average monthly humidity levels in Siren, 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 Siren is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%85%84%78%80%81%81%81%84%88%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Siren

In Siren in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Siren.

Maximum UV Index Levels in Siren for August

The chart shows the monthly maximum UV Index (UVI) for Siren 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 Siren typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Siren 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 Siren Compares to Other Months

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

This table compares monthly weather conditions in Siren, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)22 mm (0.9 inches)87%low
February Weather-9°C (16°F)32 mm (1.3 inches)90%moderate
March Weather0°C (32°F)48 mm (1.9 inches)85%moderate
April Weather5°C (42°F)91 mm (3.6 inches)84%high
May Weather14°C (58°F)107 mm (4.2 inches)78%very high
June Weather21°C (69°F)90 mm (3.6 inches)80%very high
July Weather22°C (73°F)100 mm (3.9 inches)81%very high
August Weather21°C (69°F)126 mm (5.0 inches)81%very high
September Weather17°C (63°F)97 mm (3.8 inches)81%high
October Weather8°C (47°F)99 mm (3.9 inches)84%moderate
November Weather0°C (32°F)40 mm (1.6 inches)88%moderate
December Weather-6°C (22°F)56 mm (2.2 inches)84%low

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