Nestled in the heart of California’s Bay Area, the city of Oakland boasts a pleasant Mediterranean climate that attracts visitors year-round.
The warmest month in Oakland is September, with average highs reaching 75°F and lows around 58°F.
This warm summer weather offers a comfortable time for outdoor activities and exploring the city’s rich cultural heritage.
Oakland experiences mild winters, with the cool season lasting just over two months.
During this period, the average daily high temperature drops below 59°F, with January being the coldest month, featuring lows averaging 45°F and highs around 57°F.
Despite occasional fog and high humidity, the winter climate in Oakland remains relatively cozy.
The city’s proximity to the Northern Hemisphere and its temperate conditions contribute to a welcoming environment for residents and visitors alike.
Rainfall is modest, further enhancing the appeal of Oakland’s generally mild weather.
Check out the climate graph for Oakland’s weather for a detailed look at temperature and precipitation trends throughout the year.
Average Temperature in Oakland, California
Oakland, California experiences mild temperatures throughout the year.
January: The average high is 57°F, while the average low is 45°F.
February: Temperatures range from a high of 60.3°F to a low of 44.6°F.
March: The average high is around 62°F and the average low is about 48°F.
April: Average high reaches 66°F, and the low is around 50°F.
May: High temperatures average about 68°F, with lows around 53°F.
June: The high temperature in June is roughly 72°F with a low of around 56°F.
July: Average high temperatures peak at 73°F and lows at 58°F.
August: Highs are steady around 73°F, while lows are about 58°F.
September: The warmest month with an average high of 75°F and a low of 58°F.
October: Temperatures cool down with highs averaging 70°F and lows around 55°F.
November: High temperatures average 63°F, with lows at about 48°F.
December: The average high is 57°F, while the low drops to 45°F.
This coastal city enjoys relatively stable maximum temperatures year-round. Cool periods are brief, typically during winter months, while summers are mild with only moderate heat.
For more detailed information, you can explore various temperature ranges throughout the year.
Average Precipitation in Oakland, California
Oakland, California experiences a mild climate with rainfall primarily in the winter and minimal snowfall. The city has a distinct wet and dry season due to its temperate climate.
Average Rainfall in Oakland, California
Oakland sees most of its rainfall between November and March.
The wettest month is typically January, with an average rainfall of around 4.3 inches.
During these months, residents can expect a few days of heavy rain, interspersed with lighter showers.
The total annual precipitation averages about 24 inches.
In contrast, the driest month, July, usually receives less than 0.1 inches of rain, marking a stark difference between seasons.
Overall, rainfall in Oakland is moderate compared to other regions in California, providing enough moisture to support its lush landscapes without frequent flooding.
Average Snow in Oakland, California
Snowfall is extremely rare in Oakland due to its mild winter temperatures.
The coldest month, January, has average low temperatures around 45°F, which is too warm for snow to accumulate.
On rare occasions, especially in higher elevations around the city, there might be a light dusting, but it quickly melts.
For those interested in snow and ice conditions, areas north or at higher altitudes typically receive more substantial snowfall.
To find more about areas where snow and ice are common, articles on snow and ice could provide relevant information.
Average Sun in Oakland, California
Oakland has a moderate climate with a fair amount of sunshine throughout the year. This impacts everything from daily activities to solar energy collection.
Average Daily Shortwave Solar Energy in Oakland, California
Oakland receives an average of 5.3 hours of sunshine per day during the year.
The shortwave solar energy reaching the ground varies by season.
During summer months, there is more sun, peaking with long daylight hours. In contrast, winter days are shorter with less intense sunlight.
Average solar energy is highest in June, around 7.4 kilowatt-hours per square meter.
January, the month with the fewest hours of daylight, averages 3.1 kilowatt-hours per square meter.
This variation affects how much energy solar panels can collect daily.
The longest day of the year usually has about 14 hours of daylight, while the shortest day sees around 9.5 hours.
Average Humidity in Oakland, California
Oakland has a moderate climate influenced by its location near the San Francisco Bay. Humidity levels can vary throughout the year.
Monthly Relative Humidity:
- January: 80.0%
- October: 71.0%
The average annual humidity is about 75%.
Dew Point:
- Dew point varies with the seasons and plays a key role in how humid it feels. Higher dew points mean more moisture in the air.
Daily Changes:
- Humidity also fluctuates throughout the day, typically higher in the morning and lower in the afternoon.
Fog:
- Fog is common, especially in the summer, due to the interaction with the Bay’s cooler waters.
For more detailed information, you can visit average humidity in Oakland.
Average Wind in Oakland, California
Oakland experiences varying wind speeds throughout the year. The city’s coastal location contributes to the changing wind patterns.
The mean wind speed in Oakland is about 14 mph. This makes for breezy conditions, especially in certain months.
Monthly Wind Speed
- Most Windy Months: July and August tend to have the highest wind speeds.
- Least Windy Month: January typically has the lowest average wind speeds.
Wind Speed in mph and km/h
- July: Average around 15 mph (24 km/h)
- January: Average around 6 mph (10 km/h)
Weather Influence
Wind patterns can affect temperature and humidity levels.
Stronger winds generally occur during summer and can cool down the daily high temperatures. This is especially important for activities like sailing or kite surfing.
Practical Considerations
Residents and visitors should be aware of the wind conditions.
For those interested in outdoor activities, checking the wind speed is crucial. The varying speeds and coastal breezes make Oakland a unique place to experience different wind patterns.
Average Air Quality in Oakland, California
Oakland’s air quality varies throughout the year.
The Air Quality Index (AQI) often ranges from good to moderate.
For instance, current AQI values often indicate that air quality is generally good, falling under 50 on the AQI scale.
Oakland experiences higher levels of particulate matter (PM2.5 and PM10) during wildfire season.
Particulate matter levels can occasionally rise significantly, resulting in unhealthy air.
You can get real-time data on Oakland’s air quality from sources like the AccuWeather.
Seasonal Variations
- Spring and Summer: Air quality is usually better, with fewer pollutants.
- Fall: This season sees a rise in particulate matter due to wildfires.
- Winter: There can be moderate levels of pollutants due to increased heating and traffic.
Common Pollutants
Some common pollutants include:
- Ozone: Elevated during hot days.
- PM2.5: Peaks during wildfires.
- PM10: Varies with traffic and construction activities.
Factors Affecting Visibility
Visibility in Oakland is generally good but can be affected by high levels of particulate matter.
During smoky conditions, visibility can drop to under a mile.
Cloud Cover and Pressure
Cloud cover is generally moderate, impacting daily weather but not directly the air quality. Pressure systems also play a role in dispersing or trapping pollutants.
Health Concerns
Poor air quality can especially affect sensitive groups.
On days with high pollutants, people with respiratory issues should limit outdoor activities.
To monitor real-time changes and stay informed about local air quality, visit IQAir.
Topography of Oakland, California
Oakland, California, is located within Alameda County. The city spans from latitude 37.63368 to latitude 37.88543 and longitude -122.35588 to longitude -122.11442.
Elevations in Oakland vary, with heights ranging from sea level up to approximately 1,761 feet in the surrounding hills.
Oakland is bordered by the San Francisco Bay on one side, lending the city a diverse topography that includes both coastal areas and inland hills.
The city covers around 56 square miles, providing a mix of natural landscapes.
The lower elevations near the bay offer flat terrain while the eastern areas feature rolling hills, which are part of the California Coast Ranges.
The proximity to the bay affects the local climate and impacts elements such as sea temperature. For instance, water temperatures near Oakland may vary slightly due to the city’s geographical features.
These geographical attributes give Oakland its distinctive blend of urban and natural environments, combining waterfronts, flatlands, and scenic hills.
Here is a brief summary of key topographic features:
| Attribute | Details |
|---|---|
| Latitude | 37.63368 – 37.88543 |
| Longitude | -122.35588 – -122.11442 |
| Elevation | Sea level to approx. 1,761 feet |
| Area | 56 square miles |
| Bordering Body | San Francisco Bay |
Oakland’s position and elevation play critical roles in shaping its diverse and dynamic landscape.
Extreme Weather Events that Occur in Oakland, California
Oakland, like much of California, experiences a range of extreme weather events. These events can sometimes cause significant disruptions to daily life.
Wildfires are a common issue in California and can affect Oakland, especially during the dry, hot summer months. The heat and dry conditions are ideal for fires to spread quickly.
Droughts also pose a significant threat. California has experienced numerous droughts, including 14 major events with losses exceeding $1 billion. These droughts result in water shortages and impact both daily living and agricultural output.
Flooding can occur, though less common than wildfires and droughts. Oakland may see flooding during periods of heavy rainfall associated with strong winter storms. Low-lying areas are particularly vulnerable.
Weather Extremes
- High Temperatures: Oakland’s temperature can rise during summer, contributing to the risk of heat-related illnesses.
- Heavy Rainfall: In winter, heavy rainfall can lead to local flooding and water damage.
- Smoke from Wildfires: Even if fires are not directly in Oakland, smoke from nearby wildfires can severely affect air quality.
Residents are encouraged to stay prepared for these weather extremes to minimize risk and ensure safety.
More detailed information about Oakland’s climate trends can be found in the California Summary of Billion-Dollar Weather and Climate Disasters.
Best Time of the Year to Visit Oakland, California
The best time to visit Oakland is when the weather is most pleasant, between May and September. These months offer warm temperatures and plentiful sunshine, ideal for exploring the city’s many attractions.
What Is Oakland, California Like in Spring
Spring in Oakland is mild and pleasant, with temperatures ranging from the mid-50s to the mid-70s°F.
Rainfall is more common in early spring but becomes less frequent as the season progresses.
This period is great for visiting local parks and gardens, as flowers are in full bloom.
Outdoor festivals and farmers’ markets start to pick up, offering unique cultural experiences.
This season is perfect for long walks along the waterfront and relaxing in open-air cafés.
What Is Oakland, California Like in Summer
Summer brings warm and consistent weather, with temperatures typically in the 60s to mid-70s°F.
The city enjoys long days with over 10 hours of sunshine, making it perfect for outdoor activities and beach visits.
Alameda Beach and Lake Merritt are popular spots.
Summer is peak tourist season, so expect more crowds in popular areas.
Nevertheless, it’s ideal for hiking trails in nearby parks and attending outdoor concerts and festivals.
What Is Oakland, California Like in Fall
Fall in Oakland is warm and dry, with temperatures ranging from the 60s to mid-70s°F.
Early fall is particularly pleasant, as the summer crowds thin out and the weather remains warm.
This season is a great time for visiting wineries in the nearby regions or enjoying a scenic drive around the bay area.
The city experiences less fog compared to summer, offering clearer skies and better visibility for sightseeing.
What Is Oakland, California Like in Winter
Winter months in Oakland are cool and wet, with temperatures from the mid-40s to upper 50s°F.
Rainfall is more common during this season, but it rarely disrupts plans for too long.
Despite the cooler temperatures, winter is still a good time for visiting museums, art galleries, and indoor markets.
The city’s waterfront and urban attractions remain relatively quiet, providing a peaceful atmosphere for exploring.
Occasionally, winter days can be sunny and mild, inviting a walk in one of the city’s numerous parks.