Last updated: February 24, 2025
In December, Oakland experiences a mild climate characterized by a maximum temperature of 23°C (74°F) and an average of 10°C (51°F), while minimum temperatures can dip to 2°C (35°F). With 80 mm (3.2 in) of precipitation spread over 8 days, this month sees a relatively humid environment, with humidity levels reaching 80%. Whether you’re strolling through the city or enjoying the outdoors, be prepared for occasional rain as you embrace the cool, vibrant essence of Oakland in December.
In December, Oakland experiences a refreshing transition into winter, characterized by mild temperatures that appeal to those seeking a break from harsher climates. The month starts with minimums around 2°C (35°F), while average temperatures hover at a comfortable 10°C (51°F). Daytime highs rarely exceed 23°C (74°F), creating a pleasant atmosphere for outdoor activities and festivities. Compared to the warmer months, December’s temperatures show a notable dip, yet they remain significantly milder than many other regions in the United States. This blend of coolness paired with a touch of warmth illustrates Oakland's unique climate, making it an inviting destination throughout the holiday season.
December in Oakland sees a significant uptick in precipitation, with 80 mm (3.2 in) of rain typically falling over the month across approximately 8 days. As the year draws to a close, this level of rainfall marks a return to wetter conditions after the dry summer months, which often register little to no precipitation from July to September. The December rainfall not only contributes to the lush landscapes of the region but also aligns closely with the wetter earlier winter months of January and February, which maintain similar precipitation levels at 94 mm and 91 mm, respectively. This trend indicates a seasonality in Oakland's climate, where the late fall and early winter months are pivotal for replenishing water sources and sustaining local ecosystems, setting the stage for a vibrant and verdant spring ahead.
As the year comes to a close, December in Oakland showcases a notable uptick in humidity, reaching 80%. This figure is slightly lower than the previous month's 78% but remains higher than the summer months, where humidity dipped to a comfortable low of 54% in August. Throughout the year, humidity shows a fascinating trend: starting at a high of 82% in January and gradually decreasing to its lowest point in July before climbing again in the winter months. This cyclical pattern highlights Oakland's transition from the drier summer months back to the cooler, more humid winter, providing a refreshing reminder of the region's climate diversity as December wraps up the year.
In December, Oakland experiences a UV Index of 3, placing it in the moderate exposure category with a burn time of 30 minutes. This marks a return to safer sun exposure levels after a summer characterized by extreme UV risks peaking at 11 in June and July. As fall transitions into winter, the UV Index gradually decreases from November's 4, reflecting a trend of diminishing sunlight exposure. Residents and visitors alike can enjoy outdoor activities with reduced concerns about overexposure, but it’s still wise to remain mindful of the sun. To keep updated on UV levels throughout the year, check the Oakland UV Index.
UV Risk Categories
December in Oakland brings a gentle close to the year, with 194 hours of sunshine, a soft decline from the sun-drenched heights of summer. The month typically enjoys a robust transition, with sunlight peaking in June at 355 hours, showcasing a broader trend of increasing daylight from January's 151 hours through to May's 341 hours. As autumn sets in, the hours gradually taper off, reflecting the seasonal shift. By December, while the days are shorter, the persistent sunlight still offers a comforting glow, reminding residents that even in winter, Oakland radiates warmth and charm.
When considering the chance of sunny weather in December in Oakland, United States, it's notable that the likelihood sits at a modest 33%. This marks a significant dip compared to the sunnier months of late spring and early summer, where the chances soar to around 70% in May. As the year progresses towards December, the trend reveals a gradual decline in sunny days, with November at 46% and falling sharply into the winter season. This pattern highlights the seasonal shift in Oakland's weather, as the lushness of the earlier months gives way to a cooler, cloudier climate by year's end. Thus, while December offers occasional sunshine, residents should prepare for a higher likelihood of overcast days.
In Oakland, United States, the month of December brings a return to shorter days, with only 9 hours of daylight. This marks a notable decrease from the brighter summer months, where daylight stretches to a peak of 14 hours in May, June, and July. Following a gradual decline through the autumn, with 10 hours in November, December stands as the winter solstice month, emphasizing the ebbing of daylight. As the year progresses, daylight gradually increases, starting from the mere 9 hours in January and blossoming into longer days as we move toward spring. This cyclical pattern highlights the seasonal rhythm of light in Oakland, inviting residents to embrace the cozy winter months while eagerly anticipating longer days ahead.
As December sweeps into Oakland, the winds gently echo the calmer tones of the season, averaging 2.6 m/s (6 mph). This marks a slight increase from November's tranquil 1.9 m/s (4 mph), suggesting a subtle revival in the breeze as the year draws to a close. Observing the trend throughout the year, we see a gradual rise in wind speed from 2.4 m/s (5 mph) in January, peaking at 3.9 m/s (9 mph) in May before tapering off during the summer months. The transition into December indicates a seasonal ebb, reminiscent of the lighter winds experienced in the earlier months, but still a touch brisker than the fall's stillness. The year’s wind dynamics reflect Oakland's unique climatic rhythm, inviting a refreshing chill that imbues the final month with an invigorating air.
The weather in Oakland changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Oakland and find detailed weather information for every month.
In December, the weather is generally mild, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 23°C (74°F), averaging around 10°C (51°F). The month sees about 80 mm (3.2 in) of precipitation over approximately 8 days, with humidity levels around 80%. By January, temperatures drop slightly, with minimums reaching 0°C (32°F) and maximums climbing to 25°C (78°F), while still maintaining the same average of 10°C (51°F). Precipitation increases to 94 mm (3.7 in) over 8 days, and humidity rises to 82%, making January slightly wetter and more humid than December. For more detailed information, check out Oakland weather in January.
December and February weather displays some intriguing similarities and differences. In December, temperatures range from a minimum of 2°C (35°F) to a maximum of 23°C (74°F), with an average of 10°C (51°F). The month sees about 80 mm (3.2 in) of precipitation over 8 days, alongside a humidity level of 80%. In contrast, February experiences slightly cooler minimum temperatures at 1°C (34°F) but warmer daytime highs, reaching up to 26°C (78°F) on average, with a higher average temperature of 11°C (53°F). Precipitation increases to 91 mm (3.6 in) over the same 8 days, accompanied by a humidity of 84%. For more specific details regarding the climate in February, you can check Oakland weather in February.
December and March both showcase mild temperatures, but March tends to be slightly warmer overall. In December, temperatures range from a minimum of 2°C (35°F) to a maximum of 23°C (74°F), with an average of 10°C (51°F) and an 80 mm (3.2 in) precipitation spread over 8 days. In contrast, March brings a minimum temperature of 3°C (37°F) and a maximum of 27°C (81°F), with an average of 12°C (54°F). It experiences a little less precipitation at 73 mm (2.9 in) over 10 days, though humidity remains similar at 80% in December and 82% in March. For a deeper look into March weather specifics, you can explore Oakland weather in March.
December and April present contrasting weather patterns. In December, temperatures range from a chilly minimum of 2°C (35°F) to a mild maximum of 23°C (74°F), with an average of 10°C (51°F). This month experiences about 80 mm (3.2 in) of precipitation over 8 days, accompanied by a high humidity level of 80%. In contrast, April brings warmer conditions, with temperatures starting at a minimum of 4°C (40°F) and reaching a maximum of 31°C (88°F), averaging 14°C (58°F). Precipitation significantly decreases to 29 mm (1.2 in) over just 5 days, and humidity slightly drops to 78%. For more detailed information on April weather, visit Oakland weather in April.
In December, temperatures in Oakland tend to be cooler, with a minimum of 2°C (35°F) and an average of 10°C (51°F), peaking at a maximum of 23°C (74°F). This month also sees significant rainfall, averaging 80 mm (3.2 in) over about 8 days, accompanied by high humidity at 80%. In contrast, May brings warmer conditions, with temperatures ranging from a minimum of 6°C (44°F) to an average of 15°C (60°F), and reaching a maximum of 32°C (90°F). Precipitation is notably lower at just 18 mm (0.7 in) over 2 days, and humidity decreases to 71%. For more detailed information, you can check Oakland weather in May.
In December, Oakland experiences cooler temperatures with an average around 10°C (51°F), dipping to a minimum of 2°C (35°F) at night, while daytime highs can reach up to 23°C (74°F). This month also sees more precipitation, averaging 80 mm (3.2 in) over about 8 days, resulting in higher humidity levels at around 80%. In stark contrast, June offers a much warmer climate, with average temperatures around 18°C (64°F) and maximum highs soaring to 37°C (99°F). Rain is virtually absent in June, with only 2 mm (0.1 in) of precipitation and zero rainy days, contributing to a lower humidity of 64%. For more details on June weather, you can check this link: Oakland weather in June.
December weather is characterized by cooler temperatures, with minimums reaching 2°C (35°F) and average highs around 10°C (51°F), while July offers a much warmer climate where temperatures range from a minimum of 11°C (53°F) to a maximum of 32°C (90°F). Additionally, December experiences frequent precipitation, averaging 80 mm (3.2 in) over about 8 days, resulting in high humidity levels of 80%. In contrast, July boasts a completely dry climate with no recorded precipitation and a lower humidity of 58%, making it an ideal time for outdoor activities. For more specific details about July weather, you can check Oakland weather in July.
When comparing the weather in December and August, notable differences emerge in temperature and precipitation patterns. December experiences cooler temperatures with a minimum of 2°C (35°F) and an average of 10°C (51°F), while August boasts warmer conditions, with temperatures ranging from a minimum of 11°C (52°F) to a high of 37°C (99°F). Precipitation also varies significantly; December sees about 80 mm (3.2 in) of rain over eight days, contributing to a humidity level of 80%. In stark contrast, August is dry, receiving no precipitation whatsoever, with a lower humidity of 54%. For more insights on August weather, visit Oakland weather in August.
When comparing the weather in December to September, notable differences emerge. December experiences cooler temperatures, with a minimum of 2°C (35°F) and an average of 10°C (51°F), while September boasts a much warmer average of 19°C (66°F) and maximum temperatures soaring up to 40°C (104°F). Precipitation also varies greatly; December sees 80 mm (3.2 in) of rainfall over 8 days, creating a significantly wetter atmosphere, compared to virtually dry September, which only records 1 mm of precipitation over 0 days. Furthermore, humidity levels are higher in December at 80%, making it feel cooler, while September's humidity rests at a comfortable 55%. For more insights, check out Oakland weather in September.
When comparing the weather in December and October, it's evident that October tends to be warmer and drier. In October, temperatures range from a minimum of 5°C (41°F) to a maximum of 34°C (93°F), with an average of 17°C (63°F). There is minimal precipitation, averaging only 24 mm (1.0 in) over just 1 day, and humidity levels are lower at 62%. In contrast, December experiences cooler temperatures, with a minimum of 2°C (35°F), an average of 10°C (51°F), and a maximum of 23°C (74°F). Monthly precipitation increases significantly to 80 mm (3.2 in) over 8 days, accompanied by higher humidity at 80%. For a more detailed look at October's weather, visit Oakland weather in October.
In comparing the weather between November and December, we see several notable differences. December tends to have slightly cooler temperatures, with a minimum of 2°C (35°F) and an average of 10°C (51°F), while November features a minimum of 3°C (37°F) and a higher average of 13°C (56°F). Additionally, December experiences more precipitation, totaling 80 mm (3.2 in) over 8 days, compared to November's 42 mm (1.7 in) over just 5 days. Humidity levels are also marginally higher in December at 80%, compared to 78% in November. For a more detailed look at November weather patterns, you can refer to Oakland weather in November.
As December unfolds in Oakland, the weather transitions into a cooler, wetter pattern that distinctly differs from other months. With average temperatures around 10°C (51°F), residents experience brisk mornings and mild afternoons, creating a refreshing atmosphere. Precipitation becomes more frequent, with approximately 80 mm of rain spread over 8 days, leading to a noticeable increase in humidity levels at 80%. This shift encourages cozy indoor gatherings and festive celebrations as the city embraces the charm of winter. For a more detailed look at Oakland's seasonal weather, visit Oakland Climate.