December Weather in Bodega Bay, United States

Last updated: February 24, 2025

In December, Bodega Bay, United States, experiences a temperate climate characterized by an average temperature of 10°C (51°F), with a maximum reaching 23°C (73°F) and a minimum dipping to 3°C (37°F). This month brings about 100 mm (3.9 in) of precipitation spread over 9 days, resulting in an average humidity of 84%. Visitors can expect a blend of cool, crisp days and occasional rain, perfect for those looking to enjoy the serene coastal landscape and vibrant winter atmosphere.

December Temperature in Bodega Bay

In Bodega Bay, December ushers in cooler temperatures, with the mercury dipping to a minimum of 3°C (37°F) and peaking at a pleasant 23°C (73°F). The average temperature for the month settles at 10°C (51°F), mirroring the chill that creeps in as winter approaches. Notably, December temperatures maintain a sense of continuity with the preceding months, particularly November, which featured similar highs and lows. As the year draws to a close, the climate reflects a transition; the coastal region begins to embrace the brisk air, yet the maximum temperatures still flirt with the warmth of late fall. Overall, December in Bodega Bay is characterized by a cool yet mild ambiance, inviting visitors to experience the beauty of winter by the sea.

December Weather in Bodega Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Bodega Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec515152555761616263605450
Data source: Temperature data for Bodega Bay 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 Bodega Bay

In Bodega Bay, December marks a significant uptick in precipitation, bringing an average of 100 mm (3.9 in) of rainfall over 9 days. This showcases a notable increase compared to the drier months of summer, where rainfall nearly halts, with July and August recording a meager 1 mm (0.1 in) each. As the year draws to a close, the shift from the moderate rains of November (56 mm) to December's increased totals highlights the onset of winter's wetter weather patterns. These trends reveal how December plays a crucial role in replenishing the region's water supply, setting the stage for the milder, drier months ahead.

December Precipitation Trends in Bodega Bay

The chart displays monthly precipitation patterns in Bodega Bay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec12114183472522233856100
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bodega Bay

In Bodega Bay, December brings a humidity level of 84%, mirroring the slightly damp conditions of November. Throughout the year, humidity levels exhibit a gradual decline from January's prominent 86% to a low of 66% in August. This seasonal rhythm reflects the coastal climate's shift from the year’s wet winter months towards the drier summer. As autumn settles in, humidity rebounds slightly, maintaining a consistent dampness that characterizes both late fall and early winter. Such trends highlight Bodega Bay's unique fusion of coastal allure and atmospheric fluctuations, inviting visitors to experience its rich natural beauty.

December Average Humidity in Bodega Bay

This chart illustrates the average monthly humidity levels in Bodega Bay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%80%80%76%70%66%68%72%84%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bodega Bay

In Bodega Bay, December ushers in a return to moderate UV exposure, with an index of 3 and a burn time of 30 minutes. This month marks a notable dip from the high values seen during the summer, where June and July reached an intense 11 on the UV index scale, necessitating just 10 minutes of sun exposure before burns occur. As the year ends, the UV levels remain manageable, echoing January and February's conditions, which also exhibit moderate exposure. This trend suggests a seasonal cycle in Bodega Bay, where UV indices peak in the warmer months before tapering off in the cooler season. For more detailed insights, check out the Bodega Bay UV Index.

Maximum UV Index Levels in Bodega Bay for December

The chart shows the monthly maximum UV Index (UVI) for Bodega Bay 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.
JanFebMarAprMayJunJulAugSepOctNovDec3578101111109643
Data source: Bodega Bay 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 Bodega Bay

In Bodega Bay, December brings a gentle decline in sunshine, with 184 hours of daylight illuminating the coastal landscape. Following a year that peaked in the sun-soaked months of June and July, where residents enjoyed an impressive 374 and 375 hours, the winter months begin to wrap the bay in a softer glow. While December is less bright than its preceding months, it still offers a cozy respite from the darker fall days, notably more cheerful than January's 141 hours. The transition from the vibrant sun of summer to the cooler tones of winter reflects the region's unique charm, where each month contributes distinctly to the evolving tapestry of Bodega Bay's weather.

Monthly Sunshine Duration in Bodega Bay: December Highlighted

The December sunshine duration represents the total number of hours Bodega Bay 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.
JanFebMarAprMayJunJulAugSepOctNovDec141h211h265h295h351h374h375h333h306h275h216h184h
Data source: Bodega Bay December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bodega Bay During December

While December in Bodega Bay ushers in the chill of winter, it tends to carry with it a lower likelihood of sunny days compared to other months. With only a 32% chance of sunshine, December stands in stark contrast to the warm glow of May, which boasts a radiant 77% likelihood of clear skies. This decline from the 44% chance in November signifies a marked trend, as the year progresses toward its end. Notably, as we move from spring's promising sunshine—where April and March enjoy rates of 69% and 65% respectively—into the deeper winter months, the prevalence of sunny weather consistently diminishes, leaving December as one of the cloudier chapters in Bodega Bay's annual weather narrative.

Percentage of Sunny Days in December in Bodega Bay

The chart illustrates the percentage of sunny days in Bodega Bay 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 Bodega Bay experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%58%65%69%78%63%59%63%63%52%44%33%
Data source: Bodega Bay December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bodega Bay in December

In Bodega Bay, December marks a return to shorter days, offering just 9 hours of daylight as the year winds down. This follows a gradual decline from the 14 hours enjoyed in the peak of summer during June, July, and August. As autumn settles in, daylight dwindles to 10 hours in November, setting the stage for the winter solstice. The trend clearly illustrates the rhythms of nature, with longer days leading into spring as early as March, when daylight increases to 11 hours, building anticipation for the sun-drenched days of summer. Despite the shorter daylight hours in December, the beauty of Bodega Bay's winter sunsets can still captivate, reminding us of the cycle of light and dark that shapes each season.

Average Daylight Hours in Bodega Bay for December

The chart illustrates the variation in daylight duration in Bodega Bay throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 49m10h 46m11h 59m13h 13m14h 16m14h 46m14h 29m13h 34m12h 22m11h 8m10h 4m9h 31m
Data source: Bodega Bay daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Bodega Bay

In Bodega Bay, December ushers in a gentle winter breeze with an average wind speed of 3.6 m/s (8 mph), reflecting a typical calmness that complements the holiday season. This marks a slight resurgence in wind activity after a notably quieter November, which recorded its lowest average speed of 2.4 m/s (5 mph). Throughout the year, wind patterns reveal a notable peak in May, where the winds gust up to 5.9 m/s (13 mph), creating a vibrant atmosphere ideal for outdoor activities. As the months progress towards the end of the year, particularly from October to December, wind speeds generally stabilize around the mid-range, suggesting a transition into the more tranquil days of winter. This consistent yet soft wind serves as a reminder of the region's refreshing coastal charm, making December an enchanting time in Bodega Bay.

Average December Wind Speed in Bodega Bay

The chart displays monthly wind speed patterns in Bodega Bay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.14.14.04.65.94.73.63.33.23.62.43.6 m/s
Data source: Bodega Bay December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Bodega Bay Compares to Other Months

The weather in Bodega Bay 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 Bodega Bay and find detailed weather information for every month.

In December, the weather features a minimum temperature of 3°C (37°F) and an average of 10°C (51°F), peaking at a maximum of 23°C (73°F). The month experiences a total precipitation of 100 mm (3.9 in) over 9 days, with a humidity level of 84%. In contrast, January sees slightly cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 22°C (72°F), while still maintaining the same average of 10°C (51°F). However, January tends to be wetter, recording 121 mm (4.8 in) of precipitation over the same number of days and a marginally higher humidity of 86%. For more detailed insights into January weather patterns, you can refer to Bodega Bay weather in January.

In December, temperatures range from a minimum of 3°C (37°F) to a maximum of 23°C (73°F), with an average of 10°C (51°F). The month sees about 100 mm (3.9 in) of precipitation over 9 days, maintaining a humidity level of 84%. In contrast, February experiences slightly cooler minimum temperatures at 1°C (34°F), while the average temperature rises slightly to 11°C (51°F) and the maximum is close at 22°C (71°F). February is marked by increased precipitation, totaling 141 mm (5.5 in), also spread across 9 days, but with the same humidity level of 84%. For a more detailed comparison, check out Bodega Bay weather in February.

In December, temperatures typically range from a minimum of 3°C (37°F) to a maximum of 23°C (73°F), with an average temperature of 10°C (51°F). The month sees about 100 mm (3.9 in) of precipitation over approximately 9 days and maintains a high humidity level of 84%. In contrast, March has a similar minimum temperature of 3°C (38°F) but boasts a slightly higher average of 11°C (52°F) and a maximum of 21°C (70°F). Precipitation decreases to 83 mm (3.3 in) over about 10 days, accompanied by a marginally lower humidity at 83%. Overall, while both months exhibit mild temperatures and notable rainfall, March tends to be a bit warmer with slightly reduced precipitation. For more specific insights on weather patterns, check out Bodega Bay weather in March.

December and April display notable differences in weather patterns. In December, temperatures typically range from a minimum of 3°C (37°F) to a maximum of 23°C (73°F), with an average of 10°C (51°F). This month also brings significant precipitation, averaging 100 mm (3.9 in) over about 9 days, contributing to a higher humidity level of 84%. In contrast, April sees slightly warmer temperatures, with minimums around 5°C (41°F) and maximums reaching 27°C (81°F), averaging 13°C (55°F). Precipitation drops significantly to 47 mm (1.8 in) over just 5 days, and humidity levels are slightly lower at 80%. For more specific insights into the weather during April, check out Bodega Bay weather in April.

December weather tends to be cooler and wetter compared to May, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 23°C (73°F) and a total precipitation of 100 mm (3.9 in) over approximately 9 days. In contrast, May enjoys milder temperatures, averaging between 6°C (44°F) and 27°C (81°F), and experiences significantly less rainfall, with only 25 mm (1.0 in) over just 3 days. Additionally, while December retains a higher humidity level of 84%, May's humidity is slightly lower at 80%, contributing to a more comfortable atmosphere. For more details on the weather in May, visit Bodega Bay weather in May.

In December, the weather is considerably cooler, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 23°C (73°F), and an average temperature of 10°C (51°F). The month also sees significant precipitation, totaling around 100 mm (3.9 in) over approximately 9 days, alongside higher humidity levels around 84%. In contrast, June features milder conditions, with temperatures starting at a minimum of 10°C (50°F) and peaking at 29°C (84°F), averaging 16°C (61°F). This month is notably drier, recording just 2 mm (0.1 in) of precipitation over 0 days and a lower humidity of 76%. For more insights into the pleasant June weather, check out Bodega Bay weather in June.

December and July present quite contrasting weather patterns. In December, temperatures range from a chilly minimum of 3°C (37°F) to a pleasant maximum of 23°C (73°F), with an average temperature of 10°C (51°F). The month is characterized by significant precipitation, totaling 100 mm (3.9 in) over about nine days, and high humidity at 84%. In stark contrast, July experiences milder temperatures, with a minimum of 10°C (51°F), an average of 16°C (62°F), and a maximum of 26°C (80°F). This month is notably dry, with only 1 mm (0.1 in) of precipitation and no rainy days, accompanied by a lower humidity level of 70%. For more details on the conditions during this summer month, you can visit Bodega Bay weather in July.

The weather in December is significantly cooler than in August, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 23°C (73°F), compared to August's milder temperatures of 10°C (51°F) to 27°C (82°F). December also sees much higher precipitation levels, averaging 100 mm (3.9 in) over 9 days, while August enjoys dry conditions with only 2 mm (0.1 in) of precipitation. Additionally, humidity levels are higher in December at 84%, compared to 66% in August, making the latter month feel much more comfortable. For more details about the weather during this warm summer month, visit Bodega Bay weather in August.

December and September present quite a contrast in weather patterns. In December, temperatures typically range from a minimum of 3°C (37°F) to a pleasant maximum of 23°C (73°F), with an average of around 10°C (51°F). This month also sees significant precipitation, averaging about 100 mm (3.9 in) over approximately 9 days, paired with high humidity levels at 84%. In contrast, September boasts warmer temperatures, with lows of 9°C (49°F) and highs reaching up to 33°C (92°F), resulting in a comfortable average of 17°C (63°F). Notably, September experiences minimal precipitation, only around 2 mm (0.1 in), with no rainy days, and a lower humidity of 68%. For more insights on the delightful weather in this month, check out Bodega Bay weather in September.

In comparing the weather between October and December, it's clear that October tends to be warmer, with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 31°C (87°F), while December's temperatures are cooler, with a minimum of 3°C (37°F) and a maximum of 23°C (73°F). Additionally, October experiences significantly less precipitation, averaging only 38 mm (1.5 in) over just 2 days, compared to December's much wetter environment, which sees about 100 mm (3.9 in) over 9 days. Furthermore, October's humidity is lower at 72%, compared to December's higher humidity at 84%. For more detailed insights on the weather in October, you can check out Bodega Bay weather in October.

In comparing the weather between November and December, both months experience similar temperature ranges, with minimum temperatures at 3°C (37°F) and maximums reaching up to 23°C (73°F). However, December tends to be slightly cooler on average, with an average temperature of 10°C (51°F) compared to November's 12°C (54°F). Additionally, December is wetter, with 100 mm (3.9 in) of precipitation occurring over 9 days, while November sees only 56 mm (2.2 in) over 5 days. Despite the rainfall differences, both months maintain a consistent humidity level of 84%. For more detailed information on weather patterns in November, you can visit Bodega Bay weather in November.

Compare Bodega Bay's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Bodega Bay

As December brings a notable shift in Bodega Bay's climate, the cooler temperatures and increased humidity set a distinct tone for the month. Unlike the milder summer days, visitors can expect an average chill of around 10°C (51°F), with maximum highs reaching 23°C (73°F) and lows dipping to 3°C (37°F). The winter season also brings along frequent rainfall, with nearly a week's worth of precipitation, totaling about 100 mm (3.9 in). This combination of cooler air and moist conditions makes December a unique experience compared to other months. For more detailed insights into the weather patterns year-round, check out Bodega Bay Climate.