December Weather in Tiburon, United States

Last updated: February 24, 2025

December in Tiburon, United States offers a cool maritime climate, with an average temperature hovering around 11°C (52°F). Daily highs can reach up to 20°C (69°F), while chilly nights may dip to a brisk 4°C (40°F). Expect moderate precipitation, with 95 mm (3.7 in) falling over nine days throughout the month, contributing to a humidity level of 79%. Whether you’re enjoying the picturesque views or taking a stroll along the waterfront, December is a month of refreshing coastal charm in Tiburon.

December Temperature in Tiburon

In Tiburon, United States, December brings a gentle transition into winter, characterized by a cool yet mild climate. Temperatures during this month typically range from a minimum of 4°C (40°F) to a comfortable maximum of 20°C (69°F), resulting in an average of 11°C (52°F). This marks a slight dip from the warmer averages seen in the preceding months, notably November, which enjoys a higher maximum of 23°C (74°F). The trend indicates a gradual cooling as the year closes, setting the scene for cozy, crisp days perfect for enjoying the outdoors or warming up indoors. Despite the chill, Tiburon’s climate remains temperate, making December a unique blend of rest and vibrant coastal beauty.

December Weather in Tiburon: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Tiburon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec515253555659596162605552
Data source: Temperature data for Tiburon generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Tiburon

In Tiburon, United States, December brings a notable shift in precipitation as the year draws to a close. With 95 mm (3.7 in) of rainfall occurring over 9 days, it marks a substantial increase compared to the meager amounts seen during the summer months, where rain was virtually nonexistent. This uptick in precipitation continues a trend observed from November, which recorded 50 mm (2.0 in) over 5 rainy days. As winter sets in, these patterns underscore a seasonal transition, enhancing the lushness of the landscape and providing a fresh backdrop to the charming coastal community of Tiburon. This cyclic rhythm of wet and dry periods not only influences the local climate but also invigorates the natural surroundings, preparing them for the vibrant growth of spring.

December Precipitation Trends in Tiburon

The chart displays monthly precipitation patterns in Tiburon, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec1061097835203322305095
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tiburon

In December, Tiburon experiences a humidity level of 79%, maintaining a trend of relatively stable moisture throughout the year. This month's figures mirror the lower humidity levels observed in November and April, which hover near the same mark. Interestingly, the peak humidity is seen during the summer months of July and August, both reaching 87%, while the winter months remain more moderate, indicating a seasonal shift. Overall, December's humidity contributes to the crisp and refreshing winter air, contrasting with the warm, humid summer breeze that characterizes the area.

December Average Humidity in Tiburon

This chart illustrates the average monthly humidity levels in Tiburon, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%82%79%83%84%87%87%86%80%79%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tiburon

As December rolls in, Tiburon experiences a return to lower UV Index levels, dropping to 3, which falls into the moderate exposure category. This marks a notable contrast to the extreme UV conditions of mid-summer, where values peaked at 11 in both June and July. Throughout the year, there's a clear trend: UV levels are at their highest during the spring and summer months, particularly in May and June, necessitating shorter burn times of just 10 to 15 minutes. In contrast, winter months like December allow for a leisurely 30-minute burn time, making it a more forgiving time for outdoor activities. For those keen on understanding the UV trends throughout the year, visit Tiburon UV Index for more details.

Maximum UV Index Levels in Tiburon for December

The chart shows the monthly maximum UV Index (UVI) for Tiburon in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109743
Data source: Tiburon December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Tiburon

As the year winds down, December in Tiburon offers a gentle glow with 194 hours of sunshine, marking a slight dip from the previous months yet still illuminating the picturesque landscape. The trend showcases a steady increase in sunlight from the winter's diminutive beginnings, peaking in the vibrant summer months of June and July with over 350 hours of warmth. While December's sunshine may feel modest compared to the sun-soaked days of summer, it brings a reflective quality to the cooler season, inviting residents and visitors alike to enjoy the tranquil beauty of this coastal gem, where even the shortest days still shine with a unique charm.

Monthly Sunshine Duration in Tiburon: December Highlighted

The December sunshine duration represents the total number of hours Tiburon experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec151h216h263h296h341h355h349h320h299h276h225h194h
Data source: Tiburon December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tiburon During December

In Tiburon, the likelihood of sunny weather in December drops significantly to 33%, marking it as one of the cloudier months of the year. This trend is part of a broader seasonal pattern where the chances of sunshine generally peak in the spring and early summer, particularly in May at 66%. As the year progresses from the vibrancy of spring to the chill of winter, December stands out with its notably lower potential for sunny days, reflecting a clear transition into the gloomier winter months. While December may not be plentiful in sunshine, it certainly sets the stage for the clearer skies that emerge in the following months, reminding us of the cyclical nature of Tiburon's weather.

Percentage of Sunny Days in December in Tiburon

The chart illustrates the percentage of sunny days in Tiburon throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Tiburon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec39%56%62%56%66%51%37%47%51%51%42%33%
Data source: Tiburon December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tiburon in December

As December rolls in, Tiburon, United States, experiences a return to shorter days, with daylight lasting just 9 hours. This month marks the culmination of a gradual decline in daylight that began in late summer, where extended twilight and bright evenings gradually fade. From the longest days of summer at 14 hours in June, daylight steadily diminishes, highlighting the seasonal transition. Despite the brevity of December's daylight, it lays the groundwork for the upcoming months as light begins its slow return, with January and February's promise of 10 hours ahead. This cyclical dance of daylight reflects nature's rhythm, encouraging us to embrace cozy evenings as we await the gradual increase in sunlight that the new year will bring.

Average Daylight Hours in Tiburon for December

The chart illustrates the variation in daylight duration in Tiburon throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 53m10h 48m11h 59m13h 11m14h 12m14h 42m14h 26m13h 31m12h 22m11h 9m10h 7m9h 35m
Data source: Tiburon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Tiburon

As December arrives in Tiburon, the winds gently dance through the coastal area, averaging 3.9 m/s (9 mph). This marks a slight rise from the diminishing breezes of November, which saw a low of 2.7 m/s (6 mph). Notably, wind speeds have a characteristic increase from early spring, peaking in May at 5.4 m/s (12 mph), before settling into a milder rhythm as the year winds down. The overall trend suggests that, while winter brings cooler temperatures and a quieter atmosphere, the December winds maintain a graceful presence—an inviting gentle reminder of the shifting seasons. Whether it’s a brisk walk by the bay or a cozy evening indoors, the December winds add a touch of charm to the picturesque landscape.

Average December Wind Speed in Tiburon

The chart displays monthly wind speed patterns in Tiburon, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.24.04.14.65.44.74.03.73.33.72.73.9 m/s
Data source: Tiburon December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Tiburon Compares to Other Months

The weather in Tiburon 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 Tiburon and find detailed weather information for every month.

December and January exhibit quite similar weather patterns, with average temperatures remaining consistent around 11°C (52°F). December sees slightly higher daytime temperatures, peaking at 20°C (69°F), while January reaches a maximum of 21°C (70°F). Both months experience comparable rainfall, with December receiving 95 mm (3.7 in) and January slightly wetter at 106 mm (4.2 in), yet both average similar precipitation days at 9. However, January tends to be more humid, with humidity levels increasing from 79% in December to 85% in January. For more detailed insights, you can check out Tiburon weather in January.

December and February exhibit similar temperature ranges, with both months experiencing a minimum of around 4°C (40°F), an average of 11°C (52°F), and a maximum of 20°C (69°F). However, February tends to see slightly more precipitation, averaging 109 mm (4.3 in) compared to December's 95 mm (3.7 in), while both months share approximately 9 days of rainfall. Humidity levels also rise slightly in February, reaching 82% as opposed to December's 79%. For more detailed insights into February's weather conditions, check out Tiburon weather in February.

In December, temperatures in Tiburon range from a minimum of 4°C (40°F) to a maximum of 20°C (69°F), with an average of 11°C (52°F). The month experiences an average of 95 mm (3.7 in) of precipitation over approximately 9 days, combined with a humidity level of 79%. In contrast, March sees slightly warmer temperatures with a minimum of 5°C (42°F) and an average of 12°C (53°F), while the maximum remains the same at 20°C (69°F). Precipitation decreases to 78 mm (3.1 in) spread over about 10 days, and humidity increases marginally to 82%. For more detailed information, you can visit Tiburon weather in March.

In December, the weather is cooler, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 20°C (69°F). The month is relatively wet, experiencing about 95 mm (3.7 in) of precipitation over 9 days, while maintaining a consistent humidity level of 79%. In contrast, April brings milder conditions, featuring higher average temperatures that range from 7°C (44°F) to a maximum of 28°C (82°F). Precipitation drops significantly to 35 mm (1.4 in) across only 5 days, yet the humidity remains the same at 79%. For a more detailed look at the April weather, you can check Tiburon weather in April.

When comparing the weather in December and May, it's evident that May enjoys milder temperatures and significantly less precipitation. December's average temperature is lower, ranging from a minimum of 4°C (40°F) to a maximum of 20°C (69°F), while May has a warmer range with temperatures between 8°C (47°F) and 24°C (75°F). Additionally, December experiences higher precipitation levels with about 95 mm (3.7 in) over 9 days, compared to May's much lighter rainfall of 20 mm (0.8 in) spread across only 2 days. Humidity is relatively high in both months, with December at 79% and May slightly higher at 83%. For a more detailed look at May weather, check out Tiburon weather in May.

In December, the weather in Tiburon features cooler temperatures with a minimum of 4°C (40°F) and an average of 11°C (52°F), reaching a maximum of 20°C (69°F). This month also experiences considerable precipitation, with 95 mm (3.7 in) over about 9 days, and an average humidity of 79%. In contrast, June brings warmer temperatures, with a minimum of 10°C (51°F), an average of 15°C (60°F), and a maximum of 31°C (88°F). Additionally, June is notably dry, receiving only 3 mm (0.1 in) of precipitation and experiencing no rainy days, while humidity rises slightly to 84%. For more details, check out Tiburon weather in June.

December and July present stark contrasts in weather patterns. In December, temperatures range from a minimum of 4°C (40°F) to a maximum of 20°C (69°F), with an average of 11°C (52°F), accompanied by significant rainfall totaling 95 mm (3.7 in) over approximately 9 days. This month has a humidity level of 79%, contributing to a cooler, wetter atmosphere. Conversely, July experiences a milder climate with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 24°C (76°F), averaging 15°C (60°F). The month is remarkably dry, receiving only 3 mm (0.1 in) of precipitation and recording no rainy days, while humidity peaks at 87%. For more detailed insights into July weather, check Tiburon weather in July.

December and August present contrasting weather conditions. In December, temperatures range from a minimum of 4°C (40°F) to a maximum of 20°C (69°F), with an average of 11°C (52°F). The month sees considerable precipitation, accumulating 95 mm (3.7 in) over roughly 9 days, and humidity levels sit at 79%. In stark comparison, August boasts warmer temperatures, with a minimum of 11°C (53°F) and a maximum of 27°C (81°F), averaging 16°C (61°F). Remarkably, August experiences very little rainfall, with only 2 mm (0.1 in) over the month and no rainy days, alongside slightly higher humidity at 87%. For more detailed information on August weather, check Tiburon weather in August.

When comparing the weather in December and September, notable differences emerge. December typically features cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 20°C (69°F), while September boasts a much warmer range, with minimums at 11°C (51°F) and peaks reaching up to 35°C (96°F). Precipitation levels also shift dramatically: December sees about 95 mm (3.7 in) of rain over an average of 9 days, whereas September is remarkably dry, experiencing only 2 mm (0.1 in) of precipitation over the course of the month. Humidity levels are slightly higher in September at 86%, compared to December's 79%. For more details, you can visit Tiburon weather in September.

In comparing the weather between October and December, we find notable differences in temperature and precipitation patterns. October boasts milder temperatures, ranging from a minimum of 9°C (48°F) to a maximum of 28°C (84°F), with an average of 16°C (60°F). In contrast, December sees cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 20°C (69°F), giving it a much cooler average of 11°C (52°F). Additionally, October experiences significantly less precipitation, totaling only 30 mm (1.2 in) over just 2 days, compared to December's 95 mm (3.7 in) which occurs over 9 days. Both months have similar humidity levels, with December at 79% and October slightly higher at 80%. For more detailed insights on October weather, you can check Tiburon weather in October.

In comparing the weather between November and December, we see a notable shift in temperatures and precipitation. December typically has lower minimum temperatures, averaging around 4°C (40°F), while November experiences slightly milder conditions, with a minimum of 6°C (43°F). The average temperatures also decline, with December averaging 11°C (52°F) compared to November’s 13°C (56°F). Furthermore, December sees an increase in precipitation, totaling 95 mm (3.7 in) over 9 days, contrasting with November's 50 mm (2.0 in) over just 5 days. Humidity remains consistent at 79% for both months. For a more detailed look at November's weather, you can refer to Tiburon weather in November.

Compare Tiburon's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Tiburon

As December settles in, Tiburon experiences a notable shift in weather patterns, characterized by cooler temperatures and increased humidity. The average chill invites cozy sweaters, contrasting sharply with the warmer months, while the 79% humidity adds a touch of winter's embrace. Precipitation becomes more common, with nearly 10 days of rain, making this month significantly wetter than summer. This festive blend of mild temperatures and refreshing rains creates a unique charm, perfect for enjoying the scenic coastal views. For more insights on what to expect throughout the year, visit Tiburon Climate.