nomadseason

May Weather in Oakland, United States

Last updated: June 24, 2025

In Oakland, United States, the average temperature in May hovers around 17°C (63°F), with a range that can dip as low as 2°C (36°F) and soar to a maximum of 36°C (97°F). Expect about 156 mm (6.2 in) of precipitation spread across 16 days, contributing to an average humidity of 78%. Embrace the diverse climate as you explore this vibrant destination!

May Temperature in Oakland

In May in Oakland, the average temperature is 17°C (63°F). The maximum can reach 36°C (97°F), while the minimum can be as low as 2°C (36°F). This range makes it a great time for travelers to enjoy a variety of outdoor activities, from comfortable sightseeing to cooler evening strolls.

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 17°C (63°F), with highs reaching up to 36°C (97°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec242541506375777469533931
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 156 mm (6.2 in) over the course of 16 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 156 mm (6.2 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec3234935915612573103981373235
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 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%73%75%78%82%83%81%75%75%82%83%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
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 Weather-4°C (25°F)32 mm (1.3 inches)76%moderate
February Weather-4°C (25°F)34 mm (1.3 inches)80%moderate
March Weather5°C (41°F)93 mm (3.7 inches)73%high
April Weather10°C (50°F)59 mm (2.3 inches)74%very high
May Weather17°C (63°F)156 mm (6.2 inches)78%very high
June Weather24°C (75°F)125 mm (4.9 inches)82%very high
July Weather25°C (78°F)73 mm (2.9 inches)83%very high
August Weather23°C (74°F)103 mm (4.1 inches)80%very high
September Weather21°C (69°F)98 mm (3.9 inches)75%very high
October Weather11°C (53°F)137 mm (5.4 inches)75%high
November Weather4°C (40°F)32 mm (1.3 inches)82%moderate
December Weather-1°C (31°F)35 mm (1.4 inches)83%low

Compare Oakland's Climate with Cities Worldwide