nomadseason

May Weather in Oakland, United States

Last updated: June 24, 2025

In May, the average temperature in Oakland, United States hovers around 22°C (73°F). Expect a range from a cool 8°C (47°F) to a warm 34°C (94°F). Be prepared for precipitation totaling 134 mm (5.3 in) over approximately 13 days, and enjoy the prevalent humidity lingering at 81%. Plan your activities accordingly!

May Temperature in Oakland

In May in Oakland, the average temperature is 22°C (73°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 8°C (47°F). This is an ideal time for travelers looking to enjoy a warm climate while still having cooler evenings to explore the local sights comfortably.

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

The chart illustrates May temperature patterns in Oakland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oakland, May typically has an average temperature of 22°C (73°F), with highs reaching up to 34°C (94°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec444657637280848377655449
Data source: Temperature data for Oakland generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Oakland

In Oakland in May, the precipitation amount is 134 mm (5.3 in) recorded over the course of 13 days.

May Precipitation Trends in Oakland

The chart displays monthly precipitation patterns in Oakland, 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 Oakland, May typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec64931061081351075596981545663
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Oakland

In Oakland in May, humidity is 81%. With an average temperature of 22°C (73°F), this humidity feels like a warm, sticky embrace, making outdoor activities a bit more challenging but also invigorating, as you experience the vibrant atmosphere of the surroundings.

May Average Humidity in Oakland

This chart illustrates the average monthly humidity levels in Oakland, 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 Oakland is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Oakland

In Oakland 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 Oakland.

Maximum UV Index Levels in Oakland for May

The chart shows the monthly maximum UV Index (UVI) for Oakland 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 Oakland typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111010864
Data source: Oakland 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 Oakland Compares to Other Months

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

This table compares monthly weather conditions in Oakland, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)64 mm (2.5 inches)80%moderate
February Weather8°C (46°F)93 mm (3.7 inches)79%high
March Weather14°C (58°F)106 mm (4.2 inches)78%very high
April Weather17°C (63°F)108 mm (4.3 inches)78%very high
May Weather22°C (73°F)134 mm (5.3 inches)81%extreme
June Weather27°C (80°F)107 mm (4.2 inches)78%extreme
July Weather29°C (84°F)55 mm (2.2 inches)73%extreme
August Weather28°C (83°F)96 mm (3.8 inches)66%very high
September Weather25°C (78°F)98 mm (3.9 inches)65%very high
October Weather19°C (66°F)154 mm (6.1 inches)72%very high
November Weather12°C (54°F)56 mm (2.2 inches)82%high
December Weather9°C (49°F)63 mm (2.5 inches)87%moderate

Compare Oakland's Climate with Cities Worldwide