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August Weather in Mukilteo, United States

Last updated: June 24, 2025

In August, the average temperature in Mukilteo, United States is a comfortable 18°C (65°F). Expect a range from a cool 10°C (51°F) to a warm 33°C (92°F). With 33 mm (1.3 in) of precipitation spread over 6 days, pack accordingly for some rain. The average humidity sits at a moderate 63%, lending that characteristic feel to the climate.

August Temperature in Mukilteo

In August in Mukilteo, the average temperature is 18°C (65°F). Maximums can reach 33°C (92°F), and minimums can be as low as 10°C (51°F). This comfortable climate makes it an ideal time for travelers to explore the beauty of Mukilteo.

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

The chart illustrates August temperature patterns in Mukilteo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mukilteo, August typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec424044495559636460514641
Data source: Temperature data for Mukilteo 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 Mukilteo

In Mukilteo, in August, the precipitation amount is 33 mm (1.3 in) over the course of 6 days.

August Precipitation Trends in Mukilteo

The chart displays monthly precipitation patterns in Mukilteo, 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 Mukilteo, August typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec21920916513887823133114196254247
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Mukilteo

In Mukilteo in August, humidity is 63%. With an average temperature of 18°C (65°F), this humidity feels like a comfortable embrace, making for an enjoyable travel experience that allows for leisurely exploration without feeling overly sticky or oppressive.

August Average Humidity in Mukilteo

This chart illustrates the average monthly humidity levels in Mukilteo, 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 Mukilteo is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%87%84%81%82%79%63%62%83%89%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Mukilteo

In Mukilteo 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 Mukilteo.

Maximum UV Index Levels in Mukilteo for August

The chart shows the monthly maximum UV Index (UVI) for Mukilteo 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 Mukilteo typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987521
Data source: Mukilteo 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 Mukilteo Compares to Other Months

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

This table compares monthly weather conditions in Mukilteo, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)219 mm (8.6 inches)86%low
February Weather4°C (40°F)209 mm (8.2 inches)86%moderate
March Weather7°C (44°F)165 mm (6.5 inches)87%moderate
April Weather9°C (49°F)138 mm (5.4 inches)84%high
May Weather13°C (55°F)87 mm (3.4 inches)81%very high
June Weather15°C (60°F)81 mm (3.2 inches)82%very high
July Weather17°C (64°F)31 mm (1.2 inches)79%very high
August Weather18°C (65°F)33 mm (1.3 inches)63%very high
September Weather15°C (60°F)114 mm (4.5 inches)62%high
October Weather11°C (51°F)196 mm (7.7 inches)83%moderate
November Weather8°C (46°F)254 mm (10.0 inches)89%low
December Weather5°C (42°F)247 mm (9.7 inches)88%low

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