April Weather in Oakland, United States

Last updated: June 24, 2025

In April, the average temperature in Oakland, United States is a mild 12°C (53°F). However, be prepared for a range, as temperatures can drop to a brisk -6°C (21°F) or soar to a warm 29°C (85°F). With an average humidity of 83%, you may feel the dampness in the air. Expect precipitation of 111 mm (4.4 in) spread over approximately 10 days, so it's wise to carry an umbrella!

April Temperature in Oakland

In April in Oakland, the average temperature is 12°C (53°F). Maximum temperatures can reach 29°C (85°F), while minimums can drop as low as -6°C (21°F). This diverse temperature range makes Oakland a destination for travelers seeking both warm and cool weather experiences.

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

The chart illustrates April 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, April typically has an average temperature of 12°C (53°F), with highs reaching up to 29°C (85°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec293243536675777470584236
Data source: Temperature data for Oakland 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.

April Precipitation in Oakland

In Oakland in April, the precipitation amount is 111 mm (4.4 in) over a span of 10 days.

April Precipitation Trends in Oakland

The chart displays monthly precipitation patterns in Oakland, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Oakland, April typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec7980119111140103107110771198262
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Oakland

In Oakland in April humidity is 83%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and necessitating layers to stay comfortable while traveling.

April Average Humidity in Oakland

This chart illustrates the average monthly humidity levels in Oakland, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Oakland is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Oakland

In Oakland in April, 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 Oakland.

Maximum UV Index Levels in Oakland for April

The chart shows the monthly maximum UV Index (UVI) for Oakland in April, 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 April, the maximum UV index in Oakland typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Oakland April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)79 mm (3.1 inches)84%moderate
February Weather0°C (33°F)80 mm (3.2 inches)82%moderate
March Weather6°C (44°F)118 mm (4.7 inches)84%high
April Weather12°C (53°F)111 mm (4.4 inches)83%very high
May Weather19°C (66°F)140 mm (5.5 inches)80%very high
June Weather24°C (75°F)103 mm (4.1 inches)83%extreme
July Weather25°C (78°F)107 mm (4.2 inches)82%very high
August Weather24°C (75°F)110 mm (4.3 inches)82%very high
September Weather21°C (71°F)77 mm (3.0 inches)79%very high
October Weather14°C (58°F)119 mm (4.7 inches)79%high
November Weather5°C (42°F)82 mm (3.2 inches)88%moderate
December Weather2°C (36°F)62 mm (2.4 inches)87%moderate

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