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May Weather in Yreka, United States

Last updated: June 24, 2025

In May, the average temperature in Yreka, United States hovers around 13°C (55°F). Expect a range of conditions, with minimums dipping as low as -2°C (29°F) and maximums soaring to 33°C (91°F). Be prepared for some precipitation, as 49 mm (1.9 in) can fall over the course of about 6 days, accompanied by an average humidity level of 81%.

May Temperature in Yreka

In May, in Yreka, the average temperature is 13°C (55°F), with maximums reaching up to 33°C (91°F) and minimums dropping to as low as -2°C (29°F). This range makes Yreka an ideal destination for travelers seeking a diverse climate experience.

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

The chart illustrates May 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, May typically has an average temperature of 13°C (55°F), with highs reaching up to 33°C (91°F) and lows dropping to around -2°C (29°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.

May Precipitation in Yreka

In Yreka in May, the precipitation amount is 49 mm (1.9 in) over the course of 6 days.

May Precipitation Trends in Yreka

The chart displays monthly precipitation patterns in Yreka, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Yreka, May typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec121118916149165520387292
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Yreka

In Yreka in May, humidity is 81%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making strolls outdoors feel heavy and slightly oppressive, which may be less than ideal for travelers looking to explore comfortably.

May Average Humidity in Yreka

This chart illustrates the average monthly humidity levels in Yreka, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Yreka is approximately 81%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Yreka

In Yreka in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Yreka.

Maximum UV Index Levels in Yreka for May

The chart shows the monthly maximum UV Index (UVI) for Yreka in May, 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 May, the maximum UV index in Yreka typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111111109643
Data source: Yreka May 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 May 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 May’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 May’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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