Last updated: February 24, 2025
December in Isla Vista, United States, presents a unique weather pattern characterized by mild temperatures and moderate humidity. The maximum temperature reaches a comfortable 24°C (75°F), while the average sits at a cool 12°C (54°F), dipping to a brisk 3°C (38°F) at night. Throughout the month, precipitation is notable, totaling 62 mm (2.5 in) over 6 days, contributing to the area's lush environment. With a humidity level of 76%, December in Isla Vista is a serene blend of cool coastal weather and refreshing rainfall, inviting visitors to relish its natural beauty.
In Isla Vista, United States, December brings a delightful transition into winter, characterized by mild temperatures that range from a minimum of 3°C (38°F) to a pleasant maximum of 24°C (75°F). The average temperature hovers around 12°C (54°F), making it one of the cooler months yet still relatively comfortable compared to the sweltering summer highs that can reach up to 36°C (97°F) in July and September. As the year winds down, you can expect the chill of the month to be reminiscent of November, with temperatures remaining stable and inviting for beach strolls or cozy gatherings. Overall, December in Isla Vista offers a unique blend of crisp air and refreshing coastal warmth, embodying the charm of California's winter by perfectly tempering the extremes of the seasons.
In December, Isla Vista experiences a notable uptick in precipitation, with 62 mm (2.5 in) of rain falling over 6 days. This marks a transition from the drier months of summer and early fall, where rainfall was almost non-existent, to a more robust winter climate. Comparatively, this month's totals reflect a continuation of the trend seen in November, which had 23 mm (0.9 in) over just one day. As temperatures drop, these December showers play a vital role in replenishing local ecosystems, making it a crucial month for hydration before the drier spring season sets in. Overall, December serves as a reminder of Isla Vista's dynamic weather patterns, with its precipitation levels distinctly higher than the parched summer months, yet lower than the peak winter months seen in January.
In December, Isla Vista experiences a notable rise in humidity, reaching 76%, which reflects a pattern of increasing moisture as the year winds down. This uptick follows the relatively dry summer months, where humidity levels dipped to a low of 39% in August. As the seasons shift, there is a distinct trend of increasing humidity heading into winter, starting from a 57% average in May and gradually climbing back up through the latter months. This culminates in December, where the oceanic influence becomes more pronounced, reminding residents of the coastal climate's ever-changing nature as the city prepares for the cooler, wetter months ahead.
In Isla Vista, United States, the UV Index experiences a noticeable decline in December, settling at 4, which falls into the moderate exposure category. This marks a shift from the extreme intensity seen in the summer months, where July peaked at 12 and required minimal sun exposure to avoid burns. As temperatures drop towards the end of the year, residents can enjoy longer burn times of 30 minutes, providing a more leisurely approach to sun worship. This trend emphasizes a welcome reprieve from the heightened UV levels earlier in the year, making December a more forgiving month for enjoying the outdoors. For more detailed insights on the UV Index, check out Isla Vista UV Index.
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As December rolls into Isla Vista, the sun continues to shine, albeit with a gentle decline in daylight hours. With 227 hours of sunshine, December reflects a gradual tapering from the vibrant heights reached in the summer months, where July boasts an impressive 383 hours. Following this peak, the year's sunlight begins to dwindle, as seen in the cooler fall months, leading down to a moderate but still pleasant December glow. This pattern highlights a rhythmic ebb and flow in Isla Vista’s climate, where each month effortlessly transitions into the next, celebrating the warmth of the sun while ushering in the winter chill.
In Isla Vista, December brings a noticeable dip in sunshine, with the chance of sunny weather plummeting to 53%. This marks a significant decline from the vibrant days of late fall, where November still enjoys a 73% likelihood of sunshine. As the year progresses, we see a general upward trend in sunny days from January's 59% to a peak in May, where the chance of sun reaches an impressive 85%. However, by the time December rolls around, residents and visitors alike might brace for more overcast skies, making it a month where cozy indoor activities might take precedence over sun-soaked outings.
In Isla Vista, the month of December signals a noticeable reduction in daylight, with the sun gracing the sky for only 9 hours. This decline marks the culmination of a gradual descent that begins in November. As the year progresses from January through June, residents enjoy increasingly longer days, peaking at 14 hours in both June and July. However, as summer wanes, daylight starts to dwindle, descending steadily to 10 hours in November before hitting its seasonal low in December. This rhythmic ebb and flow of daylight not only shapes daily life but also reflects the cyclical nature of the seasons in this coastal community.
As December settles over Isla Vista, the wind takes on a gentle and refreshing demeanor, averaging 2.5 m/s (6 mph). This slight decrease from earlier months reflects a broader trend of declining wind speeds as the year comes to a close. While winter brings a subtle calm, earlier months like April and February showcased brisker winds, peaking at 3.6 m/s (8 mph) and 3.4 m/s (8 mph), respectively. The shift to milder breezes during December invites locals and visitors alike to enjoy the crisp coastal air without the intensity of previous months, creating an ideal atmosphere for beach walks and holiday festivities amidst Isla Vista’s scenic backdrop.
The weather in Isla Vista 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 Isla Vista and find detailed weather information for every month.
December and January exhibit some similarities in weather, but there are notable differences as well. Both months experience a minimum temperature of around 3°C (38°F) and an average of 12°C (54°F). However, January tends to be slightly warmer, with maximum temperatures reaching up to 27°C (81°F), compared to December's peak of 24°C (75°F). Additionally, January sees increased precipitation, totaling 93 mm (3.7 in) over six days, compared to December's 62 mm (2.5 in) under the same number of rainy days. Humidity levels are also a bit higher in January at 78%, up from December's 76%. For more detailed insights, check the link: Isla Vista weather in January.
In comparing the weather between December and February, we can see that both months have mild average temperatures, hovering around 12°C (54°F). December features slightly warmer maximum temperatures, reaching up to 24°C (75°F), compared to February's peak of 25°C (78°F). However, February experiences higher precipitation at 81 mm (3.2 in), compared to December's 62 mm (2.5 in), although both months have an equivalent number of rainy days at six. Humidity also rises in February, reaching 82% compared to December's 76%. For a more detailed look at February's weather, you can visit Isla Vista weather in February.
December and March exhibit similar average temperatures, with both months ranging from a minimum of 3°C (38°F) to a maximum of about 24°C (75°F) in December and 25°C (77°F) in March. However, March experiences slightly more precipitation, totaling 88 mm (3.5 in) over 9 days compared to December's 62 mm (2.5 in) over 6 days. Humidity levels remain comparable, with December at 76% and March at 75%, making both months relatively humid. For a more detailed look at March weather, you can visit Isla Vista weather in March.
December and April present contrasting weather profiles. In December, the temperatures range from a chilly minimum of 3°C (38°F) to a comfortable maximum of 24°C (75°F), with an average of 12°C (54°F). The month experiences about 62 mm (2.5 in) of precipitation over roughly six days, contributing to a higher humidity level of 76%. In contrast, April sees warmer temperatures, with a minimum of 6°C (42°F) and a maximum reaching up to 30°C (86°F), averaging 15°C (60°F). Precipitation is significantly lower at just 21 mm (0.8 in) and occurs over only two days, resulting in a reduced humidity of 68%. This shift highlights the transition from cooler to warmer climates as spring approaches. For those interested in a deeper dive into Isla Vista's climate specifics, visit Isla Vista weather in April.
December weather is generally cooler, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 24°C (75°F) and an average of 12°C (54°F). It experiences more precipitation, averaging 62 mm (2.5 inches) over about six days, along with higher humidity at 76%. In contrast, May brings milder conditions with minimum temperatures of 7°C (45°F), an average of 16°C (62°F), and a maximum of 29°C (85°F). This month also enjoys significantly less rain, receiving only 12 mm (0.5 inches) over two days, and boasts lower humidity levels at 57%. For further details on May weather, visit Isla Vista weather in May.
In December, the weather is considerably cooler, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 24°C (75°F), averaging around 12°C (54°F). It also sees more precipitation, with about 62 mm (2.5 in) falling over approximately six days and higher humidity levels at 76%. In contrast, June brings warmer temperatures, with a minimum of 10°C (51°F) and a maximum of 33°C (91°F), averaging 19°C (67°F). The month is much drier, with only 4 mm (0.1 in) of precipitation over just one day, and humidity drops to 52%. For more details, check out Isla Vista weather in June.
December and July showcase contrasting weather patterns in Isla Vista. In December, temperatures range from a chilly 3°C (38°F) at night to a pleasant 24°C (75°F) during the day, accompanied by 62 mm (2.5 in) of precipitation over six days, resulting in a humidity level of 76%. In sharp contrast, July boasts significantly warmer temperatures, with lows of 14°C (57°F) and highs reaching up to 36°C (97°F). Additionally, July is characterized by minimal rainfall, with only 2 mm (0.1 in) and no recorded rainy days, leading to a much lower humidity of 46%. For a closer look at the weather in July, visit Isla Vista weather in July.
In December, temperatures range from a minimum of 3°C (38°F) to a maximum of 24°C (75°F), with an average of 12°C (54°F). This month also sees more precipitation, totaling 62 mm (2.5 in) over about 6 days, and a higher humidity level at 76%. In contrast, August boasts warmer conditions, with a minimum temperature of 14°C (58°F) and a maximum of 33°C (92°F), averaging 22°C (72°F). The month is much drier, experiencing only 2 mm (0.1 in) of precipitation and no rainy days, alongside a significantly lower humidity of 39%. For a more detailed look at the weather during this month, you can visit Isla Vista weather in August.
In comparing the weather between December and September, we find notable differences in temperature and precipitation. December typically sees milder temperatures, with a minimum of 3°C (38°F) and a maximum of 24°C (75°F), while September boasts warmer conditions, with a minimum of 9°C (48°F) and a scorching maximum of 36°C (97°F). Furthermore, December experiences more precipitation, averaging 62 mm (2.5 in) over six days, in contrast to September's notably dry conditions, with only 2 mm (0.1 in) and no rainy days at all. Humidity levels also vary significantly, with December’s average humidity at 76%, compared to the much lower 48% in September. For a detailed look at weather patterns during September, visit Isla Vista weather in September.
In comparing the weather between December and October, December tends to be cooler with a minimum temperature of 3°C (38°F) and an average of 12°C (54°F), while October offers milder temperatures, with a minimum of 7°C (45°F) and an average of 18°C (65°F). Additionally, October boasts higher maximum temperatures, reaching up to 33°C (92°F), compared to December's maximum of 24°C (75°F). Precipitation is another significant difference; December experiences 62 mm (2.5 in) of rainfall over six days, whereas October typically sees little to no rain, with only 10 mm (0.4 in) on zero days. Humidity levels are also higher in December at 76%, compared to 59% in October. For a detailed look at October weather in Isla Vista, you can refer to Isla Vista weather in October.
In comparing the weather of December and November, December tends to have cooler average temperatures, with a range from a minimum of 3°C (38°F) to a maximum of 24°C (75°F), while November experiences slightly warmer conditions, with averages from 3°C (38°F) to 28°C (83°F). Precipitation is notably higher in December, totaling 62 mm (2.5 in) over 6 days, compared to just 23 mm (0.9 in) over a single day in November. Humidity levels also see a slight increase in December at 76%, compared to November's 72%. For more details on November's weather, you can visit Isla Vista weather in November.
As December wraps Isla Vista in a cool embrace, the weather shifts notably from the warmer months, bringing a refreshing chill to the coastal community. With average temperatures hovering around 12°C (54°F), residents and visitors are greeted with crisp air, occasionally punctuated by rainy days—6 days of precipitation contributing to a total of 62 mm (2.5 in). This month's higher humidity levels at 76% enhance the coastal feel, creating a unique ambiance that sets December apart from the sunnier and drier seasons. Whether you're bundling up for a scenic stroll or enjoying the rare rainy day, December offers a distinctive charm in Isla Vista's climate. For a comprehensive look at the yearly weather patterns, visit Isla Vista Climate.