Alameda Weather in December
Alameda in December sees moderate temperatures, with highs around 15°C (59°F) and overnight lows of 6°C (43°F). Rainfall is at its peak this month, around 109 mm (4.3 in) on average, so waterproofs are essential.
Rainfall in Alameda in December
As the month with the highest rainfall, make sure to have an umbrella to manage the showers. Looking at the last 30 years, the data shows about 14 days with rain, averaging 109 mm (4.3 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Alameda in December
Daytime temperatures in Alameda reach 15°C (59°F) in December, dropping to 6°C (43°F) at night. Conditions are often most pleasant around the middle of the day. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. The temperatures in December are often the mildest compared to the rest of the year.
Sunshine in Alameda in December
You can expect a moderate amount of sunlight, with approximately 160 hours. This means a pleasant mix of sun and overcast.
Wind Speed in Alameda in December
Wind speeds average 3 m/s (6 knots) during December. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.
Average water temperature in December
The water temperature is 13°C (55°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.December in Alameda has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Alameda's climate page.
Alameda Temperature in December
Min Temperature
6°C (43°F)
Max Temperature
15°C (59°F)
Water Temperature
13°C (55°F) *
Chance of Rain
46%
Precipitation
109 mm (4.3 in)
Rainy days
14 days
Humidity
78% *
Windspeed
3 m/s (6 knots) *
Sunshine
160 hours *
Percentage Sunshine
54% *
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Alameda in December
Pack for changing conditions in Alameda in December. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. With water temperatures around 13°C (55°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Alameda in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Alameda's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Alameda climate overview or explore weather in the United States of America.
