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May Weather in Susanville, United States

Last updated: June 24, 2025

In May, the average temperature in Susanville, United States is a mild 12°C (53°F). However, extremes can occur, with temperatures dipping as low as -6°C (22°F) and soaring to a maximum of 30°C (86°F). Expect some rain, as 53 mm (2.1 in) of precipitation is typical over 8 days, while the humidity hovers around a comfortable 72%.

May Temperature in Susanville

In May in Susanville, the average temperature is 12°C (53°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as -6°C (22°F). It's advisable to pack versatile clothing to accommodate both warm days and chilly nights while traveling.

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

The chart illustrates May temperature patterns in Susanville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Susanville, May typically has an average temperature of 12°C (53°F), with highs reaching up to 30°C (86°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec313135445364727061493930
Data source: Temperature data for Susanville 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 Susanville

In Susanville in May, the total precipitation amount is 53 mm (2.1 in) over the course of 8 days.

May Precipitation Trends in Susanville

The chart displays monthly precipitation patterns in Susanville, 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 Susanville, May typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec10411292485314101020354979
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Susanville

In Susanville in May humidity is 72%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that clings to your clothes, making outdoor exploration slightly uncomfortable but invigorating as you navigate the refreshing air.

May Average Humidity in Susanville

This chart illustrates the average monthly humidity levels in Susanville, 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 Susanville is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%83%72%67%56%42%46%67%86%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Susanville

In Susanville 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 Susanville.

Maximum UV Index Levels in Susanville for May

The chart shows the monthly maximum UV Index (UVI) for Susanville 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 Susanville typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec45810111211119743
Data source: Susanville 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 Susanville Compares to Other Months

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

This table compares monthly weather conditions in Susanville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)104 mm (4.1 inches)86%moderate
February Weather0°C (32°F)112 mm (4.4 inches)87%moderate
March Weather2°C (35°F)92 mm (3.6 inches)86%very high
April Weather6°C (44°F)48 mm (1.9 inches)83%very high
May Weather12°C (53°F)53 mm (2.1 inches)72%extreme
June Weather18°C (64°F)14 mm (0.5 inches)67%extreme
July Weather22°C (72°F)10 mm (0.4 inches)56%extreme
August Weather21°C (71°F)10 mm (0.4 inches)42%extreme
September Weather16°C (62°F)20 mm (0.8 inches)46%very high
October Weather9°C (49°F)35 mm (1.4 inches)67%high
November Weather4°C (39°F)49 mm (1.9 inches)86%moderate
December Weather-1°C (30°F)79 mm (3.1 inches)86%moderate

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