Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Alameda (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Alameda.
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Climate overview of Alameda
Alameda, California, United States of America, experiences moderate temperature changes through the seasons. September is the warmest month with daytime highs of 24°C (75°F), while December is the coolest at 15°C (59°F).
The city has a relatively dry climate, receiving around 485 mm (19 in) of rainfall per year. It does experience a distinct dry season from May to October. December is the wettest month and August the driest. The most sunshine falls in May, with an average of 10.8 hours of daily sunshine.
Alameda Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Alameda - and find the best time to visit.
Monthly Temperature in Alameda
The climate in Alameda experiences moderate temperature changes, with mild shifts between seasons. On average, daytime temperatures range from a comfortable 24°C (75°F) in September to a moderate 15°C (59°F) in December.
Nighttime temperatures range from 14°C (57°F) in September to 6°C (43°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Alameda
Alameda has a relatively dry climate with low precipitation, averaging 485 mm (19 in) of rainfall annually. The seasons in Alameda bring significant changes in precipitation. The wettest month, December, receives high rainfall, with an average of 109 mm (4.3 in) of precipitation. This rainfall is distributed across 14 rainy days.
In contrast, the driest month, August, experiences much less rainfall, totaling 0 mm (0 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Alameda Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Alameda
In Alameda, summer days are longer and more sunny, with daily sunshine hours peaking at 10.8 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 5.3 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: San Francisco, the United States of America (20 KM, 12 Miles).
Daily hours of sunshine
Data from: San Francisco, the United States of America (20 KM, 12 Miles).
Daily percentage of sunshine
Data from: San Francisco, the United States of America (20 KM, 12 Miles).
Water Temperature in Alameda
The mean water temperature over the year ranges from 12°C (54°F) in January to 14°C (57°F) in June.
Water temperature over the year
Data from: San Francisco, the United States of America (20 KM, 12 Miles).
Humidity in Alameda by Month
The relative humidity is high throughout the year in Alameda.
The city experiences its highest humidity in January, reaching 80%. In June, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: San Francisco, the United States of America (20 KM, 12 Miles).
Wind Speed in Alameda
The mean wind speed over the year ranges from 3 m/s (6 knots) in January, November and December to 7 m/s (14 knots) in June and July. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: San Francisco, the United States of America (20 KM, 12 Miles).
Best Time to Visit Alameda
The most comfortable overall weather for exploring Alameda is usually found in May, June, July, August, September and October. Conditions are generally least comfortable in December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
good
Feb
good
Mar
very good
Apr
very good
May
excellent
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
excellent
Nov
very good
Dec
mixed
- Best overall: May, June, July, August, September and October
- Warmest weather: August, September and October
- Most sunshine: April, May, June and July
- Fewest rainy days: June, July, August and September
- Wettest months: January, February, March, April, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from May to October
Frequently asked questions about the climate in Alameda
What is the best time to visit Alameda?
May, June, July, August, September and October typically offer the most optimal weather in Alameda. In contrast, December tends to have less optimal conditions. Alameda has a distinct dry season from May to October.
What temperatures can I expect in Alameda?
Daytime highs range from 15°C (59°F) in December to 24°C (75°F) in September. Nighttime lows range from 6°C (43°F) to 14°C (57°F).
How much rain does Alameda get?
Annual rainfall is around 485 mm (19 in). December is the wettest month with 109 mm (4.3 in), while August is the driest with 0 mm (0 in).
How sunny is Alameda?
Alameda receives around 3,058 hours of sunshine per year. May is the sunniest month with 324 hours, while December is the cloudiest with just 160 hours. Overall, Alameda enjoys abundant sunshine.
Alameda 3-Day Forecast
Alameda on the map
Alameda is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Miami Beach
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29°C (84°F) Destin26°C (79°F) Los Angeles24°C (75°F) New York City19°C (66°F) Big Bear Lake19°C (66°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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