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October Weather in Yreka, United States

Last updated: June 24, 2025

In October, the average temperature in Yreka, United States hovers around 10°C (51°F). While you may experience chilly lows of -5°C (24°F), it's not uncommon to feel the warmth of highs reaching 30°C (87°F). Expect about 38 mm (1.5 in) of precipitation over 6 days, coupled with an average humidity of 72%. Make sure to check the forecast and pack accordingly!

October Temperature in Yreka

In October in Yreka, the average temperature is 10°C (51°F). Maximum temperatures can reach 30°C (87°F), while minimums can drop as low as -5°C (24°F). Overall, be prepared for a wide range of temperatures and pack accordingly for your travels.

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

The chart illustrates October 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, October typically has an average temperature of 10°C (51°F), with highs reaching up to 30°C (87°F) and lows dropping to around -5°C (24°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.

October Precipitation in Yreka

In Yreka in October, the total precipitation amount is 38 mm (1.5 in) spread over 6 days.

October Precipitation Trends in Yreka

The chart displays monthly precipitation patterns in Yreka, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Yreka, October typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec121118916149165520387292
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Yreka

In Yreka in October, humidity is 72%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less comfortable and requiring extra layers to stay warm while exploring.

October Average Humidity in Yreka

This chart illustrates the average monthly humidity levels in Yreka, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Yreka is approximately 72%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Yreka

In Yreka in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Yreka, you can refer to this Hourly UV Index in Yreka.

Maximum UV Index Levels in Yreka for October

The chart shows the monthly maximum UV Index (UVI) for Yreka in October, 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 October, the maximum UV index in Yreka typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111111109643
Data source: Yreka October 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 October 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 October’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 October’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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