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May Weather in Livermore, United States

Last updated: June 24, 2025

In May, the average temperature in Livermore, United States hovers around 12°C (54°F), creating a mild climate. Expect temperature fluctuations, with a minimum of 0°C (32°F) and a maximum reaching up to 33°C (91°F). This month brings about 85 mm (3.4 in) of precipitation spread over 9 days, resulting in an average humidity of 78%. Prepare for a mix of comfortable and wet weather!

May Temperature in Livermore

In May in Livermore, the average temperature is 12°C (54°F). The maximum can reach 33°C (91°F), while the minimum can drop as low as 0°C (32°F). Pack accordingly to enjoy a range of weather during your travels.

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

The chart illustrates May temperature patterns in Livermore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Livermore, May typically has an average temperature of 12°C (54°F), with highs reaching up to 33°C (91°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec202229425464696861493524
Data source: Temperature data for Livermore 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 Livermore

In Livermore in May, the total precipitation amount is 85 mm (3.4 in) recorded over a span of 9 days.

May Precipitation Trends in Livermore

The chart displays monthly precipitation patterns in Livermore, 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 Livermore, May typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec83857312685801288969129110117
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Livermore

In Livermore in May humidity is 78%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill settling in, making travel a bit uncomfortable as the air clings to your skin, leaving you feeling cooler than the thermometer suggests.

May Average Humidity in Livermore

This chart illustrates the average monthly humidity levels in Livermore, 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 Livermore is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Livermore

In Livermore in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Livermore.

Maximum UV Index Levels in Livermore for May

The chart shows the monthly maximum UV Index (UVI) for Livermore 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 Livermore typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910987532
Data source: Livermore 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 Livermore Compares to Other Months

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

This table compares monthly weather conditions in Livermore, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)83 mm (3.3 inches)91%low
February Weather-5°C (22°F)85 mm (3.4 inches)89%moderate
March Weather-1°C (30°F)73 mm (2.9 inches)85%moderate
April Weather6°C (42°F)126 mm (5.0 inches)84%very high
May Weather12°C (54°F)85 mm (3.4 inches)78%very high
June Weather18°C (65°F)80 mm (3.1 inches)72%very high
July Weather21°C (70°F)128 mm (5.0 inches)75%very high
August Weather20°C (68°F)88 mm (3.5 inches)74%very high
September Weather16°C (61°F)69 mm (2.7 inches)77%high
October Weather10°C (49°F)129 mm (5.1 inches)85%moderate
November Weather2°C (35°F)110 mm (4.3 inches)86%moderate
December Weather-4°C (25°F)117 mm (4.6 inches)85%low

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