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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 21°C (70°F), making it a pleasant time to visit. However, temperatures can vary significantly, with minimums dipping to 2°C (36°F) and maximums soaring to 34°C (93°F). Be prepared for some rain, as the region experiences an average precipitation amount of 123 mm (4.8 in) over 13 days. With an average humidity of 82%, you might want to pack light, breathable clothing!

May Temperature in Livermore

In May in Livermore, the average temperature is 21°C (70°F). Maximums can reach 34°C (93°F) and minimums can be as low as 2°C (36°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their stay.

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 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec374150586977807873624643
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 precipitation amount is 123 mm (4.8 in) over the course of 13 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 123 mm (4.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec9214112614712312396889711988104
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 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101110109753
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 Weather3°C (37°F)92 mm (3.6 inches)87%moderate
February Weather5°C (41°F)141 mm (5.5 inches)86%high
March Weather10°C (50°F)126 mm (4.9 inches)86%high
April Weather14°C (58°F)147 mm (5.8 inches)82%very high
May Weather21°C (70°F)123 mm (4.8 inches)82%very high
June Weather25°C (77°F)123 mm (4.8 inches)83%extreme
July Weather27°C (80°F)96 mm (3.8 inches)80%very high
August Weather25°C (78°F)88 mm (3.4 inches)74%very high
September Weather23°C (74°F)97 mm (3.8 inches)71%very high
October Weather17°C (62°F)119 mm (4.7 inches)78%high
November Weather8°C (47°F)88 mm (3.5 inches)88%moderate
December Weather6°C (43°F)104 mm (4.1 inches)88%moderate

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