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August Weather in Yreka, United States

Last updated: June 24, 2025

In Yreka, United States, the average temperature in August hovers around 21°C (71°F), with minimums dropping to 6°C (43°F) and maximums soaring to 38°C (101°F). Expect light rainfall, with total precipitation of approximately 5 mm (0.2 in) across a single day. The atmosphere boasts an average humidity of 60%, creating a warm and inviting climate.

August Temperature in Yreka

In August in Yreka, the average temperature is 21°C (71°F), with maximums reaching 38°C (101°F) and minimums dipping as low as 6°C (43°F). This makes it a great time for travelers to experience warm days and cool evenings, perfect for outdoor adventures.

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

The chart illustrates August temperature patterns in Yreka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yreka, August typically has an average temperature of 21°C (71°F), with highs reaching up to 38°C (101°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec363741475564727062504035
Data source: Temperature data for Yreka 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 Yreka

In Yreka in August, the precipitation amount is 5 mm (0.2 in) over a duration of 1 day.

August Precipitation Trends in Yreka

The chart displays monthly precipitation patterns in Yreka, 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 Yreka, August typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec121118916149165520387292
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Yreka

In Yreka in August humidity is 60%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, making it mildly uncomfortable for traveling, but still perfect for enjoying outdoor activities with a light breeze to keep you refreshed.

August Average Humidity in Yreka

This chart illustrates the average monthly humidity levels in Yreka, 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 Yreka is approximately 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%85%82%81%79%70%60%62%72%87%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Yreka

In Yreka 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 Yreka.

Maximum UV Index Levels in Yreka for August

The chart shows the monthly maximum UV Index (UVI) for Yreka 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 Yreka typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111111109643
Data source: Yreka 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 Yreka Compares to Other Months

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

This table compares monthly weather conditions in Yreka, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)121 mm (4.8 inches)86%moderate
February Weather3°C (37°F)118 mm (4.7 inches)85%moderate
March Weather5°C (42°F)91 mm (3.6 inches)85%high
April Weather9°C (48°F)61 mm (2.4 inches)82%very high
May Weather13°C (55°F)49 mm (1.9 inches)81%extreme
June Weather18°C (64°F)16 mm (0.6 inches)79%extreme
July Weather22°C (72°F)5 mm (0.2 inches)70%extreme
August Weather21°C (71°F)5 mm (0.2 inches)60%very high
September Weather17°C (62°F)20 mm (0.8 inches)62%very high
October Weather10°C (51°F)38 mm (1.5 inches)72%high
November Weather5°C (41°F)72 mm (2.8 inches)87%moderate
December Weather2°C (35°F)92 mm (3.6 inches)86%moderate

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