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August Weather in Brinnon, United States

Last updated: June 24, 2025

In Brinnon, United States, the average temperature in August hovers around 18°C (64°F). You can expect a comfortable range, with a minimum dipping to 8°C (46°F) and a maximum soaring to 31°C (88°F). During this time, precipitation averages 40 mm (1.6 in) over 9 days, accompanied by a humidity level of 73%, creating a pleasantly moist atmosphere.

August Temperature in Brinnon

In August in Brinnon, the average temperature is 18°C (64°F). The maximum can reach 31°C (88°F), while the minimum can be as low as 8°C (46°F). This mild climate makes Brinnon an ideal destination for travelers seeking both warmth and cool breezes.

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

The chart illustrates August temperature patterns in Brinnon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brinnon, August typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (88°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec373539445257626458484237
Data source: Temperature data for Brinnon 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 Brinnon

In Brinnon in August, the precipitation amount is 40 mm (1.6 in) over the course of 9 days.

August Precipitation Trends in Brinnon

The chart displays monthly precipitation patterns in Brinnon, 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 Brinnon, August typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec203153132119941054540114155206207
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Brinnon

In Brinnon in August, humidity is 73%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace that can leave travelers feeling a bit sluggish, making outdoor activities feel more demanding and encouraging frequent breaks to hydrate and cool off.

August Average Humidity in Brinnon

This chart illustrates the average monthly humidity levels in Brinnon, 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 Brinnon is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%85%83%84%84%82%73%74%83%86%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Brinnon

In Brinnon in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Brinnon.

Maximum UV Index Levels in Brinnon for August

The chart shows the monthly maximum UV Index (UVI) for Brinnon 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 Brinnon typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235699987532
Data source: Brinnon 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 Brinnon Compares to Other Months

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

This table compares monthly weather conditions in Brinnon, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)203 mm (8.0 inches)86%low
February Weather2°C (36°F)153 mm (6.0 inches)84%moderate
March Weather4°C (39°F)132 mm (5.2 inches)85%moderate
April Weather7°C (44°F)118 mm (4.7 inches)83%high
May Weather11°C (52°F)94 mm (3.7 inches)84%very high
June Weather14°C (57°F)105 mm (4.1 inches)84%very high
July Weather17°C (63°F)45 mm (1.8 inches)82%very high
August Weather18°C (64°F)40 mm (1.6 inches)73%very high
September Weather14°C (58°F)114 mm (4.5 inches)74%high
October Weather9°C (48°F)155 mm (6.1 inches)83%moderate
November Weather6°C (42°F)206 mm (8.1 inches)86%moderate
December Weather3°C (37°F)207 mm (8.1 inches)87%low

Compare Brinnon's Climate with Cities Worldwide