April Weather in Oakland, United States

Last updated: June 24, 2025

In April, the average temperature in Oakland, United States hovers around 9°C (49°F). Expect a wide range, with minimums dipping to -10°C (14°F) and maximums soaring to 31°C (88°F). Throughout the month, you'll encounter approximately 65 mm (2.6 in) of precipitation over about 10 days, with average humidity sitting at a cozy 74%.

April Temperature in Oakland

In April in Oakland, the average temperature is 9°C (49°F). The maximum can reach 31°C (88°F), while the minimum can drop as low as -10°C (14°F). This wide range of temperatures means travelers should be prepared for both warm and chilly conditions when planning their visit.

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 9°C (49°F), with highs reaching up to 31°C (88°F) and lows dropping to around -10°C (14°F).

Data source: Temperature data for Oakland generated using information from the Copernicus Climate Change Service.

April Precipitation in Oakland

In Oakland in April, the precipitation amount is 65 mm (2.6 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 65 mm (2.6 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Oakland

In Oakland in April humidity is 74%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace that can make outdoor activities somewhat uncomfortable; travelers may find themselves needing to dress in layers to stay warm while also coping with the dampness in the air.

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 74%, offering insight into how humid the weather typically is during this month.

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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (24°F)	30 mm (1.2 inches)	76%	moderate
February Weather	-4°C (24°F)	29 mm (1.2 inches)	80%	moderate
March Weather	4°C (40°F)	92 mm (3.6 inches)	73%	high
April Weather	9°C (49°F)	65 mm (2.6 inches)	74%	very high
May Weather	16°C (62°F)	152 mm (6.0 inches)	78%	very high
June Weather	24°C (75°F)	116 mm (4.6 inches)	82%	very high
July Weather	25°C (77°F)	71 mm (2.8 inches)	83%	very high
August Weather	23°C (74°F)	113 mm (4.4 inches)	80%	very high
September Weather	20°C (69°F)	78 mm (3.1 inches)	75%	very high
October Weather	11°C (52°F)	95 mm (3.7 inches)	75%	high
November Weather	4°C (39°F)	29 mm (1.1 inches)	82%	moderate
December Weather	-1°C (30°F)	44 mm (1.7 inches)	83%	low