Last updated: February 24, 2025
Experience the charm of Cayucos, California in December, where temperatures gracefully oscillate between a maximum of 23°C (74°F) and a minimum of 6°C (43°F). The average temperature settles at a comfortable 13°C (55°F), creating a perfect atmosphere for coastal adventures. While the month sees about 70 mm (2.8 in) of rainfall across 6 days, a high humidity level of 76% adds to the coastal feel, making the air brisk and refreshing. Embrace the unique blend of mild weather and scenic beauty that Cayucos offers during this enchanting winter month.
In Cayucos, December welcomes visitors with a refreshing winter climate, where temperatures range from a brisk 6°C (43°F) at night to a pleasant 23°C (74°F) during the day. With an average temperature of 13°C (55°F), this coastal town experiences a mild and inviting environment as the year winds down. The month’s temperatures mirror the gentle transition from autumn to winter, hinting at slightly cooler nights than in November but still offering moderate daytime warmth. This trend of mild winters makes Cayucos an appealing destination for those looking to escape harsher climates while enjoying the crisp sea air and beautiful coastal scenery during the holiday season.
In Cayucos, United States, December marks a notable return of precipitation as the region transitions from the dry summer months. With an average of 70 mm (2.8 in) of rainfall over 6 days, this month showcases a significant uptick compared to the sparse precipitation of the preceding months. November's 27 mm (1.1 in), which also featured 4 rainy days, hinted at the upcoming wetter season. This trend is a part of the region's climatic cycle, where rainfall accumulates steadily from late fall through winter, offering a refreshing contrast to the parched summer. The precipitation in December sets the stage for the average annual cycle, as it transitions into the peak rainy season ahead.
December in Cayucos, United States experiences a notable shift in humidity levels as the year comes to a close, with a humidity reading of 76%. This reflects a slight increase from November's 74%, continuing a pattern observed throughout the transitional months. As we progress from the summer lows of 72% in August to the brisk 80% highs typical in the winter months of January and March, December’s figures suggest a return to the more humid conditions that characterize the area's climate. This steady trend underscores the marine influence of Cayucos, ensuring the environment remains cozy and inviting even amidst the cooler winter weather.
As December arrives in Cayucos, the **UV Index drops to a moderate 3, allowing residents and visitors to enjoy outdoor activities with a more relaxed sun safety approach. This is a notable decrease from the extreme levels seen in the summer months, where the index soared to 11 or higher, indicating the need for quick protective measures to prevent sunburn in as little as 10 minutes. The trend in Cayucos shows a consistent pattern: a gradual increase in UV intensity from winter through spring, peaking in the summer months before tapering off again into the fall and winter. With a burn time of about 30 minutes in December, it's still wise to keep sunscreen handy for extended outdoor exposure. For more details on daily UV levels, visit Cayucos UV Index.
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As the year winds down, December in Cayucos offers a gentle embrace of sunshine, totaling 218 hours. This month, while showcasing a decline from the preceding summer months, still boasts a respectable amount of daylight for enjoying the coastal charm. Notably, the trend through the year reveals a steady increase in sunshine hours, peaking in July with 384 hours, before a gradual descent into the winter months. December's shorter days may signal the onset of winter, yet the lingering warmth of the sun provides a comforting backdrop to the coastal lifestyle, underscoring Cayucos' ability to delight visitors year-round.
In December, residents and visitors of Cayucos can expect a moderate chance of sunny weather, with the likelihood sitting at around 45%. This marks a notable dip as the year draws to a close, especially when compared to the sunnier months of May and June, which boast chances of 76% and 69% respectively. Throughout the year, the trend shows a gradual increase in sunshine from the cooler months of January (51%) through November (66%), before taking a slide into December. While the chances are less favorable during this final month, the area's temperate climate still offers opportunities for basking in the sun, albeit mixed with those cozy winter vibes.
In Cayucos, December marks a transition into the winter months, with daylight lasting only 9 hours. This short span of light contrasts sharply with the 14 hours experienced in mid-summer, highlighting a distinct seasonal rhythm. As the year progresses, daylight begins at a steady 10 hours in both January and February, gradually increasing to a peak in May before gradually declining again. April and May enjoy the most daylight, with an impressive 13 to 14 hours, making them ideal for outdoor activities. However, as autumn sets in, daylight diminishes steadily, culminating in December's shorter days. This ebb and flow not only defines Cayucos' seasonal character but also influences the local lifestyle, marking a time for coziness and reflection as the sun sets earlier each day.
As December rolls in, Cayucos experiences a slight uptick in average wind speeds, settling at 2.9 m/s (6 mph). This marks a gentle return to the breezier conditions earlier in the year, following a gradual decline observed during the summer months. From the peak in May at 3.4 m/s (8 mph), winds have softened over the warmer season, hitting their lowest in August and September at 2.0 m/s (5 mph). However, the transition from fall into winter brings a touch of invigorating coolness, reminiscent of the more lively April and May days. Overall, December's winds embody a serene steadiness that complements the picturesque coastal landscape of Cayucos, inviting residents and visitors alike to embrace the charm of the season.
The weather in Cayucos 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 Cayucos and find detailed weather information for every month.
In December, the weather typically ranges from a minimum of 6°C (43°F) to a maximum of 23°C (74°F), with an average temperature of around 13°C (55°F). During this month, precipitation totals about 70 mm (2.8 in) over six days, and humidity levels hover around 76%. In contrast, January sees a slight drop in average temperature to 12°C (55°F), with maximum temperatures reaching 21°C (70°F). Rainfall increases significantly to 114 mm (4.5 in) over the same number of days, and humidity rises to 80%. For more detailed information on weather patterns during January, check out Cayucos weather in January.
December and February showcase relatively similar weather patterns, with both months experiencing mild temperatures. In December, temperatures range from a minimum of 6°C to a maximum of 23°C, with an average of 13°C, while February presents a slightly narrower range, with minimums at 5°C and maximums reaching 24°C, averaging 12°C. Precipitation is comparable, with December receiving 70 mm and February slightly higher at 73 mm, both spread over about six days. Notably, February has higher humidity at 83% compared to December's 76%. For a detailed look at February conditions, you can visit Cayucos weather in February.
In December, the weather is generally mild with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 23°C (74°F), accompanied by an average temperature of 13°C (55°F). The month experiences about 70 mm (2.8 in) of precipitation spread over six days and maintains a humidity level of 76%. In contrast, March sees a slight increase in maximum temperatures, reaching up to 25°C (76°F), while the average remains the same at 13°C (55°F). Precipitation also rises slightly to 73 mm (2.9 in), occurring over nine days, with humidity increasing to 80%. For more detailed information, you can check Cayucos weather in March.
When comparing the weather in December and April, we see notable differences in temperatures and precipitation. December generally has a temperature range from a minimum of 6°C (43°F) to a maximum of 23°C (74°F), with an average of 13°C (55°F). It tends to be wetter, with about 70 mm (2.8 in) of precipitation over approximately 6 days. In contrast, April experiences slightly warmer conditions, with minimum temperatures around 8°C (46°F) and maximums reaching 26°C (79°F), averaging 14°C (58°F). The month is also much drier, with only 23 mm (0.9 in) of precipitation spread over just 3 days. Interestingly, both months share a humidity level of 76%. For more detailed information about weather trends, you can check Cayucos weather in April.
In December, the weather features a pleasant range of temperatures, with a minimum of 6°C (43°F) and a maximum reaching 23°C (74°F), averaging around 13°C (55°F). However, this month sees more precipitation, totaling 70 mm (2.8 inches) over approximately 6 days, alongside a humidity level of 76%. In contrast, May presents slightly warmer conditions with a minimum temperature of 9°C (48°F) and an average of 15°C (59°F), while the maximum remains the same at 23°C (74°F). Notably, May is much drier, experiencing only 10 mm (0.4 inches) of precipitation over just 2 days and maintaining a lower humidity of 75%. For more detailed information on weather patterns, you can refer to Cayucos weather in May.
In December, temperatures range from a minimum of 6°C (43°F) to a maximum of 23°C (74°F), with an average of 13°C (55°F). The month experiences notable precipitation, totaling 70 mm (2.8 in) spread over 6 days, and with a humidity of 76%, the air can feel quite damp. In contrast, June offers milder temperatures, with a minimum of 11°C (53°F) and a maximum of 27°C (82°F), although the average temperature is a comfortable 17°C (62°F). Remarkably, June sees negligible precipitation, with only 1 mm (0.0 in) recorded and no rainy days, accompanied by slightly lower humidity at 74%. This stark difference highlights the shift from a wetter, cooler December to a dry, warmer June. For more detailed insights about the weather during this month, you can visit Cayucos weather in June.
December and July present quite contrasting weather conditions. In December, the temperatures range from a minimum of 6°C (43°F) to a maximum of 23°C (74°F), with an average of 13°C (55°F) and 70 mm (2.8 in) of precipitation spread over about 6 days. This month features a higher average humidity of 76%. In sharp contrast, July enjoys milder weather with temperatures ranging from 13°C (56°F) to a warm 29°C (84°F), averaging 18°C (65°F). Notably, July sees significantly less rainfall, with only 1 mm (0.0 in) of precipitation over no rainy days, maintaining a similar humidity level of 75%. For those interested in the specifics of July weather, you can check out Cayucos weather in July.
The weather in December is notably cooler than in August, with minimum temperatures dropping to around 6°C (43°F) compared to August's mild minimum of 14°C (57°F). Average temperatures in December hover at 13°C (55°F), while August enjoys a warmer average of 19°C (66°F). Additionally, December experiences more substantial precipitation, with about 70 mm (2.8 in) over six days, whereas August sees very little rainfall, with only 1 mm (0.0 in) and no rainy days at all. Humidity levels are relatively similar, with December at 76% and August slightly lower at 72%. For more detailed insights into August weather, you can visit Cayucos weather in August.
In December, the weather tends to be cooler and wetter compared to September. The minimum temperatures drop to around 6°C (43°F), while average temperatures hover around 13°C (55°F), peaking at a maximum of 23°C (74°F). December also experiences about 70 mm (2.8 in) of precipitation over six days, resulting in a higher humidity level of 76%.
In contrast, September boasts much warmer temperatures, with a minimum of 13°C (56°F) and an average of 19°C (67°F), reaching highs of 34°C (93°F). Remarkably, September typically sees negligible precipitation, with only 1 mm (0.0 in) recorded and no rainy days, leading to a slightly lower humidity of 70%. For more detailed insights into September weather, you can check out Cayucos weather in September.
In comparing the weather of December and October, we notice notable differences in temperature and precipitation. December experiences cooler temperatures with a minimum of 6°C (43°F), averaging around 13°C (55°F) and reaching a maximum of 23°C (74°F). It also sees more precipitation, totaling 70 mm (2.8 in) over six days, and a higher humidity level at 76%. In contrast, October is warmer, with temperatures ranging from a minimum of 12°C (54°F) to an average of 18°C (65°F), peaking at 29°C (85°F). Remarkably, October has little to no precipitation, recording just 10 mm (0.4 in) over the entire month, and only 0 rainy days, accompanied by a lower humidity of 70%. For more detailed insights, you can check Cayucos weather in October.
December weather tends to be slightly cooler and wetter compared to November. In December, temperatures range from a minimum of 6°C (43°F) to a maximum of 23°C (74°F), averaging around 13°C (55°F). In contrast, November features slightly higher temperatures, with a minimum of 7°C (44°F) and a maximum of 24°C (76°F), averaging 15°C (60°F). Precipitation also sees a significant increase in December, totaling 70 mm (2.8 in) over 6 days, compared to November's 27 mm (1.1 in) over just 4 days. Humidity remains relatively high in both months, with December at 76% and November slightly lower at 74%. For more details on the November climate, check out Cayucos weather in November.
December in Cayucos brings a distinct shift in weather, offering a cooler yet comfortable climate compared to the warmer months. With temperatures averaging around 13°C (55°F), it’s a time when the days are refreshingly brisk and the evenings can chill down, making it ideal for cozy gatherings. The average humidity of 76% adds a touch of coastal moisture, while the 70 mm of precipitation over six days ensures a lush, vibrant landscape. It's a wonderful month for those who appreciate the charm of winter by the sea, making it a unique experience within the year. For a deeper dive into what to expect throughout the seasons, check out Cayucos Climate.